feat: use Lix ffs

I ran into a bug with Nix 2.18.2.

Signed-off-by: Raito Bezarius <masterancpp@gmail.com>

.gitignore

@@ -0,0 +1,3 @@
+.direnv
+result
+.gcroots

configurations.nix

@@ -9,7 +9,6 @@ let
     colmena
     flake-registry
     nixos-hardware
-    nixpkgs-unstable
     srvos
     disko
     ;
@@ -29,16 +28,20 @@ let
     ./modules/users/admins.nix
     ./modules/packages.nix
     ./modules/nix-daemon.nix
-    ./modules/auto-upgrade.nix
     ./modules/tor-ssh.nix
     ./modules/hosts.nix
     ./modules/network.nix
     ./modules/zsh.nix
+    ./modules/ssh-cursed.nix
+    # FIXME: ./modules/buildbot — whenever you are ready.
 
 
     disko.nixosModules.disko
     srvos.nixosModules.server
 
+    srvos.nixosModules.mixins-trusted-nix-caches
+    srvos.nixosModules.mixins-terminfo
+
     # srvos.nixosModules.mixins-telegraf
     # srvos.nixosModules.mixins-terminfo
 
@@ -47,34 +50,41 @@ let
      , config
      , lib
      , ...
-     }: let
-       sopsFile = ./. + "/hosts/${config.networking.hostName}.yml";
-    in {
-      nix.nixPath = [
-        "home-manager=${home-manager}"
-        "nixpkgs=${pkgs.path}"
-        "nur=${nur}"
-      ];
-      # TODO: share nixpkgs for each machine to speed up local evaluation.
-      #nixpkgs.pkgs = self.inputs.nixpkgs.legacyPackages.${system};
+     }:
+      let
+        sopsFile = ./. + "/hosts/${config.networking.hostName}.yml";
+      in
+      {
+        nix.nixPath = [
+          "home-manager=${home-manager}"
+          "nixpkgs=${pkgs.path}"
+          "nur=${nur}"
+        ];
+        # TODO: share nixpkgs for each machine to speed up local evaluation.
+        #nixpkgs.pkgs = self.inputs.nixpkgs.legacyPackages.${system};
 
-      #users.withSops = builtins.pathExists sopsFile;
-      #sops.secrets = lib.mkIf (config.users.withSops) {
-      #  root-password-hash.neededForUsers = true;
-      #};
-      # sops.defaultSopsFile = lib.mkIf (builtins.pathExists sopsFile) sopsFile;
+        #users.withSops = builtins.pathExists sopsFile;
+        #sops.secrets = lib.mkIf (config.users.withSops) {
+        #  root-password-hash.neededForUsers = true;
+        #};
+        # sops.defaultSopsFile = lib.mkIf (builtins.pathExists sopsFile) sopsFile;
 
-      nix.extraOptions = ''
-        flake-registry = ${flake-registry}/flake-registry.json
-      '';
+        nix.extraOptions = ''
+          flake-registry = ${flake-registry}/flake-registry.json
+          builders-use-substitutes = true
+        '';
 
-      nix.registry = {
-        home-manager.flake = home-manager;
-        nixpkgs.flake = nixpkgs;
-        nur.flake = nur;
-      };
-      time.timeZone = "UTC";
-    })
+        nix.registry = {
+          home-manager.flake = home-manager;
+          nixpkgs.flake = nixpkgs;
+          nur.flake = nur;
+        };
+        time.timeZone = "UTC";
+
+        environment.systemPackages = [
+          pkgs.kitty.terminfo
+        ];
+      })
   ];
 in
 {
@@ -87,8 +97,8 @@ in
         ++ [
           ./hosts/epyc.nix
         ];
-      };
     };
+  };
 
   flake.colmena = {
     meta.nixpkgs = import nixpkgs {
@@ -100,6 +110,6 @@ in
         ++ [
           ./hosts/epyc.nix
         ];
-      };
+    };
   };
 }

docs/epyc.lstopo.svg

@@ -1,7 +1,7 @@
 <?xml version='1.0' encoding='UTF-8'?>
-<svg xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' width='1375px' height='386px' viewBox='0 0 1375px 386px' version='1.1'>
-	<rect id='Machine_0_rect' class='Machine' x='0' y='0' width='1375' height='348' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<text id='Machine_0_text' class='Machine' font-family='Monospace' x='7' y='17' fill='rgb(0,0,0)' font-size='10px'>Machine (126GB total)</text>
+<svg xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' width='1375px' height='431px' viewBox='0 0 1375px 431px' version='1.1'>
+	<rect id='Machine_0_rect' class='Machine' x='0' y='0' width='1375' height='393' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='Machine_0_text' class='Machine' font-family='Monospace' x='7' y='17' fill='rgb(0,0,0)' font-size='10px'>Machine (252GB total)</text>
 	<rect id='Package_0_rect' class='Package' x='7' y='24' width='974' height='293' fill='rgb(210,231,164)' stroke='rgb(0,0,0)' stroke-width='1'/>
 	<text id='Package_0_text' class='Package' font-family='Monospace' x='14' y='41' fill='rgb(0,0,0)' font-size='10px'>Package L#0</text>
 	<rect id='L3_0_rect' class='L3' x='14' y='79' width='297' height='24' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
@@ -153,18 +153,18 @@
 	<text id='PU_127_text' class='PU' font-family='Monospace' x='912' y='282' fill='rgb(0,0,0)' font-size='10px'>PU L#127</text>
 	<text id='PU_127_text_1' class='PU' font-family='Monospace' x='921' y='296' fill='rgb(0,0,0)' font-size='10px'>P#127</text>
 	<rect id='NUMANode_0_rect' class='NUMANode' x='14' y='48' width='960' height='24' fill='rgb(239,223,222)' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<text id='NUMANode_0_text' class='NUMANode' font-family='Monospace' x='21' y='65' fill='rgb(0,0,0)' font-size='10px'>NUMANode L#0 P#0 (126GB)</text>
+	<text id='NUMANode_0_text' class='NUMANode' font-family='Monospace' x='21' y='65' fill='rgb(0,0,0)' font-size='10px'>NUMANode L#0 P#0 (252GB)</text>
 	<rect id='HostBridge_0_rect' class='HostBridge' x='988' y='24' width='7' height='7' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
 	<line id='HostBridge_0_line' class='HostBridge' x1='995' y1='27' x2='1002' y2='27' stroke='rgb(0,0,0)' stroke-width='1'/>
 	<line id='HostBridge_0_line_2' class='HostBridge' x1='1002' y1='27' x2='1026' y2='27' stroke='rgb(0,0,0)' stroke-width='1'/>
 	<text id='HostBridge_0_text_2' class='HostBridge' font-family='Monospace' x='1005' y='40' fill='rgb(0,0,0)' font-size='10px'>7.9</text>
 	<line id='HostBridge_0_line_3' class='HostBridge' x1='1002' y1='103' x2='1026' y2='103' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<text id='HostBridge_0_text_3' class='HostBridge' font-family='Monospace' x='1005' y='116' fill='rgb(0,0,0)' font-size='10px'>4.0</text>
-	<line id='HostBridge_0_line_4' class='HostBridge' x1='1002' y1='134' x2='1026' y2='134' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<text id='HostBridge_0_text_4' class='HostBridge' font-family='Monospace' x='1005' y='147' fill='rgb(0,0,0)' font-size='10px'>0.2</text>
-	<line id='HostBridge_0_line_5' class='HostBridge' x1='1002' y1='165' x2='1026' y2='165' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<text id='HostBridge_0_text_5' class='HostBridge' font-family='Monospace' x='1005' y='178' fill='rgb(0,0,0)' font-size='10px'>1.0</text>
-	<line id='HostBridge_0_line_1' class='HostBridge' x1='1002' y1='27' x2='1002' y2='165' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='HostBridge_0_text_3' class='HostBridge' font-family='Monospace' x='1005' y='116' fill='rgb(0,0,0)' font-size='10px'>3.9</text>
+	<line id='HostBridge_0_line_4' class='HostBridge' x1='1002' y1='179' x2='1026' y2='179' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='HostBridge_0_text_4' class='HostBridge' font-family='Monospace' x='1005' y='192' fill='rgb(0,0,0)' font-size='10px'>0.2</text>
+	<line id='HostBridge_0_line_5' class='HostBridge' x1='1002' y1='210' x2='1026' y2='210' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='HostBridge_0_text_5' class='HostBridge' font-family='Monospace' x='1005' y='223' fill='rgb(0,0,0)' font-size='10px'>1.0</text>
+	<line id='HostBridge_0_line_1' class='HostBridge' x1='1002' y1='27' x2='1002' y2='210' stroke='rgb(0,0,0)' stroke-width='1'/>
 	<rect id='PCIBridge_1_rect' class='PCIBridge' x='1026' y='24' width='7' height='7' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
 	<line id='PCIBridge_1_line' class='PCIBridge' x1='1033' y1='27' x2='1040' y2='27' stroke='rgb(0,0,0)' stroke-width='1'/>
 	<line id='PCIBridge_1_line_2' class='PCIBridge' x1='1040' y1='27' x2='1064' y2='27' stroke='rgb(0,0,0)' stroke-width='1'/>
@@ -178,52 +178,56 @@
 	<rect id='PCIBridge_2_rect' class='PCIBridge' x='1026' y='100' width='7' height='7' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
 	<line id='PCIBridge_2_line' class='PCIBridge' x1='1033' y1='103' x2='1040' y2='103' stroke='rgb(0,0,0)' stroke-width='1'/>
 	<line id='PCIBridge_2_line_2' class='PCIBridge' x1='1040' y1='103' x2='1064' y2='103' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='PCIBridge_2_text_2' class='PCIBridge' font-family='Monospace' x='1043' y='116' fill='rgb(0,0,0)' font-size='10px'>3.9</text>
 	<line id='PCIBridge_2_line_1' class='PCIBridge' x1='1040' y1='103' x2='1040' y2='103' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<rect id='PCI_1_rect' class='PCI' x='1064' y='100' width='80' height='24' fill='rgb(190,210,149)' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<text id='PCI_1_text' class='PCI' font-family='Monospace' x='1071' y='117' fill='rgb(0,0,0)' font-size='10px'>PCI 43:00.0</text>
-	<rect id='PCIBridge_3_rect' class='PCIBridge' x='1026' y='131' width='7' height='7' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<line id='PCIBridge_3_line' class='PCIBridge' x1='1033' y1='134' x2='1040' y2='134' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<line id='PCIBridge_3_line_2' class='PCIBridge' x1='1040' y1='134' x2='1064' y2='134' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<text id='PCIBridge_3_text_2' class='PCIBridge' font-family='Monospace' x='1043' y='147' fill='rgb(0,0,0)' font-size='10px'>0.2</text>
-	<line id='PCIBridge_3_line_1' class='PCIBridge' x1='1040' y1='134' x2='1040' y2='134' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<rect id='PCIBridge_4_rect' class='PCIBridge' x='1064' y='131' width='7' height='7' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<line id='PCIBridge_4_line' class='PCIBridge' x1='1071' y1='134' x2='1078' y2='134' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<line id='PCIBridge_4_line_2' class='PCIBridge' x1='1078' y1='134' x2='1102' y2='134' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<line id='PCIBridge_4_line_1' class='PCIBridge' x1='1078' y1='134' x2='1078' y2='134' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<rect id='PCI_2_rect' class='PCI' x='1102' y='131' width='80' height='24' fill='rgb(190,210,149)' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<text id='PCI_2_text' class='PCI' font-family='Monospace' x='1109' y='148' fill='rgb(0,0,0)' font-size='10px'>PCI 46:00.0</text>
-	<rect id='PCIBridge_5_rect' class='PCIBridge' x='1026' y='162' width='7' height='7' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<line id='PCIBridge_5_line' class='PCIBridge' x1='1033' y1='165' x2='1040' y2='165' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<line id='PCIBridge_5_line_2' class='PCIBridge' x1='1040' y1='165' x2='1064' y2='165' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<text id='PCIBridge_5_text_2' class='PCIBridge' font-family='Monospace' x='1043' y='178' fill='rgb(0,0,0)' font-size='10px'>1.0</text>
-	<line id='PCIBridge_5_line_3' class='PCIBridge' x1='1040' y1='227' x2='1064' y2='227' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<text id='PCIBridge_5_text_3' class='PCIBridge' font-family='Monospace' x='1043' y='240' fill='rgb(0,0,0)' font-size='10px'>1.0</text>
-	<line id='PCIBridge_5_line_1' class='PCIBridge' x1='1040' y1='165' x2='1040' y2='227' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<rect id='PCI_3_rect' class='PCI' x='1064' y='162' width='80' height='55' fill='rgb(190,210,149)' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<text id='PCI_3_text' class='PCI' font-family='Monospace' x='1071' y='179' fill='rgb(0,0,0)' font-size='10px'>PCI 48:00.0</text>
-	<rect id='Net_1_rect' class='Net' x='1071' y='186' width='62' height='24' fill='rgb(222,222,222)' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<text id='Net_1_text' class='Net' font-family='Monospace' x='1078' y='203' fill='rgb(0,0,0)' font-size='10px'>Net eno1</text>
-	<rect id='PCI_4_rect' class='PCI' x='1064' y='224' width='80' height='55' fill='rgb(190,210,149)' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<text id='PCI_4_text' class='PCI' font-family='Monospace' x='1071' y='241' fill='rgb(0,0,0)' font-size='10px'>PCI 48:00.1</text>
-	<rect id='Net_2_rect' class='Net' x='1071' y='248' width='62' height='24' fill='rgb(222,222,222)' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<text id='Net_2_text' class='Net' font-family='Monospace' x='1078' y='265' fill='rgb(0,0,0)' font-size='10px'>Net eno2</text>
+	<rect id='PCI_1_rect' class='PCI' x='1064' y='100' width='106' height='69' fill='rgb(190,210,149)' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='PCI_1_text' class='PCI' font-family='Monospace' x='1071' y='117' fill='rgb(0,0,0)' font-size='10px'>PCI 42:00.0</text>
+	<rect id='Block_1_rect' class='Block' x='1071' y='124' width='92' height='38' fill='rgb(222,222,222)' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='Block_1_text' class='Block' font-family='Monospace' x='1078' y='141' fill='rgb(0,0,0)' font-size='10px'>Block nvme1n1</text>
+	<text id='Block_1_text_1' class='Block' font-family='Monospace' x='1078' y='155' fill='rgb(0,0,0)' font-size='10px'>3726 GB</text>
+	<rect id='PCIBridge_3_rect' class='PCIBridge' x='1026' y='176' width='7' height='7' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<line id='PCIBridge_3_line' class='PCIBridge' x1='1033' y1='179' x2='1040' y2='179' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<line id='PCIBridge_3_line_2' class='PCIBridge' x1='1040' y1='179' x2='1064' y2='179' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='PCIBridge_3_text_2' class='PCIBridge' font-family='Monospace' x='1043' y='192' fill='rgb(0,0,0)' font-size='10px'>0.2</text>
+	<line id='PCIBridge_3_line_1' class='PCIBridge' x1='1040' y1='179' x2='1040' y2='179' stroke='rgb(0,0,0)' stroke-width='1'/>
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+	<line id='PCIBridge_4_line_1' class='PCIBridge' x1='1078' y1='179' x2='1078' y2='179' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<rect id='PCI_2_rect' class='PCI' x='1102' y='176' width='80' height='24' fill='rgb(190,210,149)' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='PCI_2_text' class='PCI' font-family='Monospace' x='1109' y='193' fill='rgb(0,0,0)' font-size='10px'>PCI 45:00.0</text>
+	<rect id='PCIBridge_5_rect' class='PCIBridge' x='1026' y='207' width='7' height='7' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<line id='PCIBridge_5_line' class='PCIBridge' x1='1033' y1='210' x2='1040' y2='210' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<line id='PCIBridge_5_line_2' class='PCIBridge' x1='1040' y1='210' x2='1064' y2='210' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='PCIBridge_5_text_2' class='PCIBridge' font-family='Monospace' x='1043' y='223' fill='rgb(0,0,0)' font-size='10px'>1.0</text>
+	<line id='PCIBridge_5_line_3' class='PCIBridge' x1='1040' y1='272' x2='1064' y2='272' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='PCIBridge_5_text_3' class='PCIBridge' font-family='Monospace' x='1043' y='285' fill='rgb(0,0,0)' font-size='10px'>1.0</text>
+	<line id='PCIBridge_5_line_1' class='PCIBridge' x1='1040' y1='210' x2='1040' y2='272' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<rect id='PCI_3_rect' class='PCI' x='1064' y='207' width='94' height='55' fill='rgb(190,210,149)' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='PCI_3_text' class='PCI' font-family='Monospace' x='1071' y='224' fill='rgb(0,0,0)' font-size='10px'>PCI 47:00.0</text>
+	<rect id='Net_2_rect' class='Net' x='1071' y='231' width='80' height='24' fill='rgb(222,222,222)' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='Net_2_text' class='Net' font-family='Monospace' x='1078' y='248' fill='rgb(0,0,0)' font-size='10px'>Net nat-lan</text>
+	<rect id='PCI_4_rect' class='PCI' x='1064' y='269' width='80' height='55' fill='rgb(190,210,149)' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='PCI_4_text' class='PCI' font-family='Monospace' x='1071' y='286' fill='rgb(0,0,0)' font-size='10px'>PCI 47:00.1</text>
+	<rect id='Net_3_rect' class='Net' x='1071' y='293' width='56' height='24' fill='rgb(222,222,222)' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='Net_3_text' class='Net' font-family='Monospace' x='1078' y='310' fill='rgb(0,0,0)' font-size='10px'>Net wan</text>
 	<rect id='Misc_0_rect' class='Misc' x='1189' y='24' width='86' height='24' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
 	<text id='Misc_0_text' class='Misc' font-family='Monospace' x='1196' y='41' fill='rgb(0,0,0)' font-size='10px'>MemoryModule</text>
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 	<text id='Misc_1_text' class='Misc' font-family='Monospace' x='1289' y='41' fill='rgb(0,0,0)' font-size='10px'>MemoryModule</text>
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-	<text id='Misc_3_text' class='Misc' font-family='Monospace' x='1088' y='303' fill='rgb(0,0,0)' font-size='10px'>MemoryModule</text>
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-	<rect id='Misc_5_rect' class='Misc' x='988' y='317' width='86' height='24' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<text id='Misc_5_text' class='Misc' font-family='Monospace' x='995' y='334' fill='rgb(0,0,0)' font-size='10px'>MemoryModule</text>
-	<rect id='Misc_6_rect' class='Misc' x='1081' y='317' width='86' height='24' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<text id='Misc_6_text' class='Misc' font-family='Monospace' x='1088' y='334' fill='rgb(0,0,0)' font-size='10px'>MemoryModule</text>
-	<rect id='Misc_7_rect' class='Misc' x='1174' y='317' width='86' height='24' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<text id='Misc_7_text' class='Misc' font-family='Monospace' x='1181' y='334' fill='rgb(0,0,0)' font-size='10px'>MemoryModule</text>
-	<rect id='anon_rect' x='0' y='348' width='1375' height='38' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
-	<text id='anon_text' font-family='Monospace' x='7' y='365' fill='rgb(0,0,0)' font-size='10px'>Host: epyc</text>
-	<text id='anon_text_1' font-family='Monospace' x='7' y='379' fill='rgb(0,0,0)' font-size='10px'>Date: Mon 05 Jun 2023 03:19:33 PM UTC</text>
+	<rect id='Misc_2_rect' class='Misc' x='988' y='331' width='86' height='24' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='Misc_2_text' class='Misc' font-family='Monospace' x='995' y='348' fill='rgb(0,0,0)' font-size='10px'>MemoryModule</text>
+	<rect id='Misc_3_rect' class='Misc' x='1081' y='331' width='86' height='24' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='Misc_3_text' class='Misc' font-family='Monospace' x='1088' y='348' fill='rgb(0,0,0)' font-size='10px'>MemoryModule</text>
+	<rect id='Misc_4_rect' class='Misc' x='1174' y='331' width='86' height='24' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='Misc_4_text' class='Misc' font-family='Monospace' x='1181' y='348' fill='rgb(0,0,0)' font-size='10px'>MemoryModule</text>
+	<rect id='Misc_5_rect' class='Misc' x='988' y='362' width='86' height='24' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='Misc_5_text' class='Misc' font-family='Monospace' x='995' y='379' fill='rgb(0,0,0)' font-size='10px'>MemoryModule</text>
+	<rect id='Misc_6_rect' class='Misc' x='1081' y='362' width='86' height='24' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='Misc_6_text' class='Misc' font-family='Monospace' x='1088' y='379' fill='rgb(0,0,0)' font-size='10px'>MemoryModule</text>
+	<rect id='Misc_7_rect' class='Misc' x='1174' y='362' width='86' height='24' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='Misc_7_text' class='Misc' font-family='Monospace' x='1181' y='379' fill='rgb(0,0,0)' font-size='10px'>MemoryModule</text>
+	<rect id='anon_rect' x='0' y='393' width='1375' height='38' fill='rgb(255,255,255)' stroke='rgb(0,0,0)' stroke-width='1'/>
+	<text id='anon_text' font-family='Monospace' x='7' y='410' fill='rgb(0,0,0)' font-size='10px'>Host: epyc</text>
+	<text id='anon_text_1' font-family='Monospace' x='7' y='424' fill='rgb(0,0,0)' font-size='10px'>Date: Mon 04 Mar 2024 12:28:26 AM UTC</text>
 </svg>

docs/epyc.md

@@ -1,20 +1,25 @@
 # epyc
 
 ```
-System:    Host: epyc Kernel: 6.1.31 x86_64 bits: 64 compiler: gcc v: 12.2.0 
-           parameters: initrd=\efi\nixos\11cjvasd1nh1dk783alsa14v4w00d467-initrd-linux-6.1.31-initrd.efi 
-           init=/nix/store/9lnrp5ryf7gh3j94q8xn39zyl21kaw9f-nixos-system-epyc-23.05.419.3a70dd92993/init 
+System:    Host: epyc Kernel: 6.7.7 x86_64 bits: 64 compiler: gcc v: 12.3.0 
+           parameters: initrd=\efi\nixos\48dkb2vcxwmxxfk7wpl0qx884ibz5gk5-initrd-linux-6.7.7-initrd.efi 
+           init=/nix/store/vz6r23gya5q3b8lr1yiadkv6h5lcjmmz-nixos-system-epyc-23.11pre-git/init 
+           console=tty0 console=ttyS0,115200 pci=realloc console=ttyS1,115200n8 console=tty1 
            loglevel=4 
-           Console: N/A Distro: NixOS 23.05 (Stoat) 
+           Console: N/A Distro: NixOS 23.11 (Tapir) 
 Machine:   Type: Server System: Supermicro product: Super Server v: 0123456789 serial: 0123456789 
            Chassis: type: 17 v: 0123456789 serial: 0123456789 
            Mobo: Supermicro model: H12SSL-i v: 1.01 serial: WM21AS601818 UEFI: American Megatrends 
            v: 2.4 date: 04/14/2022 
-Memory:    RAM: total: 125.64 GiB used: 2.32 GiB (1.8%) 
+Memory:    RAM: total: 251.54 GiB used: 4.56 GiB (1.8%) 
            Array-1: capacity: 4 TiB note: check slots: 8 EC: Multi-bit ECC 
            max-module-size: 512 GiB note: est. 
-           Device-1: DIMMA1 size: No Module Installed 
-           Device-2: DIMMB1 size: No Module Installed 
+           Device-1: DIMMA1 size: 64 GiB speed: 3200 MT/s type: DDR4 
+           detail: synchronous registered (buffered) bus-width: 64 bits total: 72 bits 
+           manufacturer: Samsung part-no: M393A8G40AB2-CWE serial: H0S100013847D8748B 
+           Device-2: DIMMB1 size: 64 GiB speed: 3200 MT/s type: DDR4 
+           detail: synchronous registered (buffered) bus-width: 64 bits total: 72 bits 
+           manufacturer: Samsung part-no: M393A8G40AB2-CWE serial: H0MK00013847D79D40 
            Device-3: DIMMC1 size: 64 GiB speed: 3200 MT/s type: DDR4 
            detail: synchronous registered (buffered) bus-width: 64 bits total: 72 bits 
            manufacturer: Samsung part-no: M393A8G40AB2-CWE serial: Y10R120249249E38E1 
@@ -27,7 +32,7 @@ Memory:    RAM: total: 125.64 GiB used: 2.32 GiB (1.8%)
            Device-8: DIMMH1 size: No Module Installed 
 PCI Slots: Slot: 1 type: x16 PCI Express 4 x16 CPU SLOT1 PCI-E 4.0 X16 status: Available 
            length: Long 
-           Slot: 2 type: x8 PCI Express 4 x8 CPU SLOT2 PCI-E 4.0 X8 status: In Use length: Long 
+           Slot: 2 type: x8 PCI Express 4 x8 CPU SLOT2 PCI-E 4.0 X8 status: Available length: Long 
            Slot: 3 type: x16 PCI Express 4 x16 CPU SLOT3 PCI-E 4.0 X16 status: Available 
            length: Long 
            Slot: 4 type: x8 PCI Express 4 x8 CPU SLOT4 PCI-E 4.0 X8 status: Available length: Long 
@@ -40,16 +45,16 @@ PCI Slots: Slot: 1 type: x16 PCI Express 4 x16 CPU SLOT1 PCI-E 4.0 X16 status: A
            Slot: N/A type: x4 M.2 Socket 3 PCI-E M.2-M1 status: Available length: Short 
            Slot: N/A type: x4 M.2 Socket 3 PCI-E M.2-M2 status: Available length: Short 
 CPU:       Info: 64-Core model: AMD EPYC 7763 socket: SP3 bits: 64 type: MT MCP arch: Zen 3 
-           family: 19 (25) model-id: 1 stepping: 1 microcode: A0011CE cache: L1: 4 MiB L2: 32 MiB 
+           family: 19 (25) model-id: 1 stepping: 1 microcode: A0011D3 cache: L1: 4 MiB L2: 32 MiB 
            L3: 256 MiB 
-           flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm bogomips: 627203 
+           flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm bogomips: 627200 
            Speed: 2450 MHz min/max: 1500/2450 MHz base/boost: 2450/3525 boost: enabled 
            volts: 1.1 V ext-clock: 100 MHz Core speeds (MHz): 1: 2450 2: 2450 3: 2450 4: 2450 
            5: 2450 6: 2450 7: 2450 8: 2450 9: 2450 10: 2450 11: 2450 12: 2450 13: 2450 14: 2450 
-           15: 2450 16: 2450 17: 2450 18: 2450 19: 2450 20: 2450 21: 1799 22: 2450 23: 2450 
+           15: 2450 16: 2450 17: 2450 18: 2450 19: 2450 20: 2450 21: 2450 22: 2450 23: 2450 
            24: 2450 25: 2450 26: 2450 27: 2450 28: 2450 29: 2450 30: 2450 31: 2450 32: 2450 
            33: 2450 34: 2450 35: 2450 36: 2450 37: 2450 38: 2450 39: 2450 40: 2450 41: 2450 
-           42: 2450 43: 2450 44: 3525 45: 2450 46: 2450 47: 2450 48: 2450 49: 2450 50: 2450 
+           42: 2450 43: 2450 44: 2450 45: 3525 46: 2450 47: 2450 48: 2450 49: 2450 50: 2450 
            51: 2450 52: 2450 53: 2450 54: 2450 55: 2450 56: 2450 57: 2450 58: 2450 59: 2450 
            60: 2450 61: 2450 62: 2450 63: 2450 64: 2450 65: 2450 66: 2450 67: 2450 68: 2450 
            69: 2450 70: 2450 71: 2450 72: 2450 73: 2450 74: 2450 75: 2450 76: 2450 77: 2450 
@@ -57,14 +62,16 @@ CPU:       Info: 64-Core model: AMD EPYC 7763 socket: SP3 bits: 64 type: MT MCP
            87: 2450 88: 2450 89: 2450 90: 2450 91: 2450 92: 2450 93: 2450 94: 2450 95: 2450 
            96: 2450 97: 2450 98: 2450 99: 2450 100: 2450 101: 2450 102: 2450 103: 2450 104: 2450 
            105: 2450 106: 2450 107: 2450 108: 2450 109: 2450 110: 2450 111: 2450 112: 2450 
-           113: 2450 114: 2450 115: 2450 116: 2450 117: 2450 118: 1799 119: 2450 120: 2450 
+           113: 2450 114: 2450 115: 2450 116: 2450 117: 2450 118: 2450 119: 2450 120: 2450 
            121: 2450 122: 2450 123: 2450 124: 2450 125: 2450 126: 2450 127: 2450 128: 2450 
-           Vulnerabilities: Type: itlb_multihit status: Not affected 
+           Vulnerabilities: Type: gather_data_sampling status: Not affected 
+           Type: itlb_multihit status: Not affected 
            Type: l1tf status: Not affected 
            Type: mds status: Not affected 
            Type: meltdown status: Not affected 
            Type: mmio_stale_data status: Not affected 
            Type: retbleed status: Not affected 
+           Type: spec_rstack_overflow mitigation: Safe RET 
            Type: spec_store_bypass mitigation: Speculative Store Bypass disabled via prctl 
            Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer sanitization 
            Type: spectre_v2 mitigation: Retpolines, IBPB: conditional, IBRS_FW, STIBP: always-on, 
@@ -72,50 +79,47 @@ CPU:       Info: 64-Core model: AMD EPYC 7763 socket: SP3 bits: 64 type: MT MCP
            Type: srbds status: Not affected 
            Type: tsx_async_abort status: Not affected 
 Graphics:  Device-1: ASPEED Graphics Family vendor: Super Micro H12SSL-i driver: ast v: kernel 
-           bus-ID: 46:00.0 chip-ID: 1a03:2000 class-ID: 0300 
+           bus-ID: 45:00.0 chip-ID: 1a03:2000 class-ID: 0300 
            Display: server: No display server data found. Headless machine? tty: N/A 
            Message: Advanced graphics data unavailable in console for root. 
 Audio:     Message: No device data found. 
-Network:   Device-1: Intel 82599ES 10-Gigabit SFI/SFP+ Network driver: N/A modules: ixgbe 
-           port: 1000 bus-ID: 43:00.0 chip-ID: 8086:10fb class-ID: 0200 
+Network:   Device-1: Broadcom NetXtreme BCM5720 Gigabit Ethernet PCIe vendor: Super Micro H12SSL-i 
+           driver: tg3 v: kernel port: N/A bus-ID: 47:00.0 chip-ID: 14e4:165f class-ID: 0200 
+           IF: nat-lan state: up speed: 1000 Mbps duplex: full mac: 3c:ec:ef:7e:bd:c8 
+           IP v4: 10.32.65.13/20 type: dynamic scope: global 
+           IP v6: fe80::3eec:efff:fe7e:bdc8/64 virtual: proto kernel_ll scope: link 
            Device-2: Broadcom NetXtreme BCM5720 Gigabit Ethernet PCIe vendor: Super Micro H12SSL-i 
-           driver: tg3 v: kernel port: 2000 bus-ID: 48:00.0 chip-ID: 14e4:165f class-ID: 0200 
-           IF: eno1 state: up speed: 1000 Mbps duplex: full mac: 3c:ec:ef:7e:bd:c8 
-           IP v4: 10.32.65.13/20 type: dynamic noprefixroute scope: global broadcast: 10.32.79.255 
-           IP v6: fe80::3eec:efff:fe7e:bdc8/64 scope: link 
-           Device-3: Broadcom NetXtreme BCM5720 Gigabit Ethernet PCIe vendor: Super Micro H12SSL-i 
-           driver: tg3 v: kernel port: 2000 bus-ID: 48:00.1 chip-ID: 14e4:165f class-ID: 0200 
-           IF: eno2 state: up speed: 1000 Mbps duplex: full mac: 3c:ec:ef:7e:bd:c9 
-           IP v4: 169.254.249.6/16 type: noprefixroute scope: global broadcast: 169.254.255.255 
-           IP v6: 2001:470:ca5e:dee:587c:7a50:f36c:cae8/64 type: temporary dynamic scope: global 
-           IP v6: 2001:470:ca5e:dee:3eec:efff:fe7e:bdc9/64 type: dynamic mngtmpaddr noprefixroute 
-           scope: global 
-           IP v6: fe80::3eec:efff:fe7e:bdc9/64 scope: link 
-           IF-ID-1: enp74s0f3u1u2c2 state: unknown speed: -1 duplex: half mac: be:3a:f2:b6:05:9f 
-           IP v4: 169.254.3.1/24 type: dynamic noprefixroute scope: global 
-           broadcast: 169.254.3.255 
-           IP v6: fe80::bc3a:f2ff:feb6:59f/64 scope: link 
+           driver: tg3 v: kernel port: N/A bus-ID: 47:00.1 chip-ID: 14e4:165f class-ID: 0200 
+           IF: wan state: up speed: 1000 Mbps duplex: full mac: 3c:ec:ef:7e:bd:c9 
+           IP v6: 2001:bc8:38ee:100::500/128 scope: global 
+           IP v6: fe80::3eec:efff:fe7e:bdc9/64 virtual: proto kernel_ll scope: link 
+           IF-ID-1: enp73s0f3u1u2c2 state: down mac: be:3a:f2:b6:05:9f 
            WAN IP: 82.65.118.1 
 Bluetooth: Device-1: Insyde RNDIS/Ethernet Gadget type: USB driver: rndis_host v: kernel 
            bus-ID: 7-1.2:4 chip-ID: 0b1f:03ee class-ID: 0a00 
            Report: This feature requires one of these tools: hciconfig/bt-adapter 
-Drives:    Local Storage: total: 6.19 TiB used: 2.08 GiB (0.0%) 
-           ID-1: /dev/nvme0n1 maj-min: 259:1 vendor: Samsung model: MZWLJ7T6HALA-00AU3 
+Drives:    Local Storage: total: 9.82 TiB used: 1.06 TiB (10.7%) 
+           ID-1: /dev/nvme0n1 maj-min: 259:2 vendor: Samsung model: MZWLJ7T6HALA-00AU3 
            size: 6.19 TiB block-size: physical: 512 B logical: 512 B rotation: SSD 
-           serial: S5RTNG0T110589 rev: EPK96R5Q temp: 44 Celsius C scheme: GPT 
-           SMART: yes health: PASSED on: 24 hrs cycles: 44 read-units: 1,449,016 [741 GB] 
-           written-units: 13,364,537 [6.84 TB] 
-Partition: ID-1: / raw-size: 6.18 TiB size: 6.18 TiB (100.00%) used: 2.04 GiB (0.0%) fs: btrfs 
+           serial: S5RTNG0T110589 rev: EPK96R5Q temp: 40 Celsius C scheme: GPT 
+           SMART: yes health: PASSED on: 273d 5h cycles: 113 read-units: 192,543,495 [98.5 TB] 
+           written-units: 258,494,659 [132 TB] 
+           ID-2: /dev/nvme1n1 maj-min: 259:0 vendor: Intel model: SSDPE2KX040T8 size: 3.64 TiB 
+           block-size: physical: 512 B logical: 512 B speed: 31.6 Gb/s lanes: 4 rotation: SSD 
+           serial: PHLJ940301WZ4P0DGN rev: VDV10131 temp: 33 Celsius C 
+           SMART: yes health: PASSED on: 2y 188d 9h cycles: 36 read-units: 9,478,214,631 [4.85 PB] 
+           written-units: 9,225,614,032 [4.72 PB] 
+Partition: ID-1: / raw-size: 6.18 TiB size: 6.18 TiB (100.00%) used: 1.06 TiB (17.1%) fs: btrfs 
            block-size: 4096 B dev: /dev/dm-0 maj-min: 254:0 mapped: nixroot 
-           ID-2: /boot raw-size: 1023 MiB size: 1021 MiB (99.80%) used: 37 MiB (3.6%) fs: vfat 
-           block-size: 512 B dev: /dev/nvme0n1p1 maj-min: 259:2 
+           ID-2: /boot raw-size: 1023 MiB size: 1021 MiB (99.80%) used: 23.9 MiB (2.3%) fs: vfat 
+           block-size: 512 B dev: /dev/nvme0n1p1 maj-min: 259:3 
 Swap:      Kernel: swappiness: 60 (default) cache-pressure: 100 (default) 
            ID-1: swap-1 type: partition size: 8 GiB used: 0 KiB (0.0%) priority: -2 
-           dev: /dev/nvme0n1p2 maj-min: 259:3 
+           dev: /dev/nvme0n1p2 maj-min: 259:4 
 Sensors:   Message: No ipmi sensor data found. 
            Message: No sensor data found. Is lm-sensors configured? 
-Info:      Processes: 1010 Uptime: 20h 25m wakeups: 0 Init: systemd v: 253 
-           target: multi-user.target tool: systemctl Compilers: gcc: 12.2.0 Packages: 
-           nix-default: 0 nix-sys: 268 lib: 47 nix-usr: 0 Client: Sudo v: 1.9.13p3 inxi: 3.3.04 
+Info:      Processes: 1226 Uptime: N/A wakeups: 0 Init: systemd v: 254 target: multi-user.target 
+           tool: systemctl Compilers: gcc: 12.3.0 Packages: nix-default: 0 nix-sys: 415 lib: 65 
+           nix-usr: 0 Client: Sudo v: 1.9.15p2 inxi: 3.3.04 
 ```
 ![hardware topology](epyc.lstopo.svg)

flake.lock

@@ -6,14 +6,15 @@
         "home-manager": "home-manager",
         "nixpkgs": [
           "nixpkgs"
-        ]
+        ],
+        "systems": "systems"
       },
       "locked": {
-        "lastModified": 1684153753,
-        "narHash": "sha256-PVbWt3qrjYAK+T5KplFcO+h7aZWfEj1UtyoKlvcDxh0=",
+        "lastModified": 1718371084,
+        "narHash": "sha256-abpBi61mg0g+lFFU0zY4C6oP6fBwPzbHPKBGw676xsA=",
         "owner": "ryantm",
         "repo": "agenix",
-        "rev": "db5637d10f797bb251b94ef9040b237f4702cde3",
+        "rev": "3a56735779db467538fb2e577eda28a9daacaca6",
         "type": "github"
       },
       "original": {
@@ -22,21 +23,43 @@
         "type": "github"
       }
     },
-    "colmena": {
+    "attic": {
       "inputs": {
+        "crane": "crane",
         "flake-compat": "flake-compat",
         "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-stable": "nixpkgs-stable"
+      },
+      "locked": {
+        "lastModified": 1717279440,
+        "narHash": "sha256-kH04ReTjxOpQumgWnqy40vvQLSnLGxWP6RF3nq5Esrk=",
+        "owner": "zhaofengli",
+        "repo": "attic",
+        "rev": "717cc95983cdc357bc347d70be20ced21f935843",
+        "type": "github"
+      },
+      "original": {
+        "owner": "zhaofengli",
+        "repo": "attic",
+        "type": "github"
+      }
+    },
+    "colmena": {
+      "inputs": {
+        "flake-compat": "flake-compat_2",
+        "flake-utils": "flake-utils_2",
         "nixpkgs": [
           "nixpkgs"
         ],
         "stable": "stable"
       },
       "locked": {
-        "lastModified": 1685163780,
-        "narHash": "sha256-tMwseHtEFDpO3WKeZKWqrKRAZI6TiEULidxEbzicuFg=",
+        "lastModified": 1711386353,
+        "narHash": "sha256-gWEpb8Hybnoqb4O4tmpohGZk6+aerAbJpywKcFIiMlg=",
         "owner": "zhaofengli",
         "repo": "colmena",
-        "rev": "c61bebae1dc1d57237577080b1ca1e37a3fbcebf",
+        "rev": "cd65ef7a25cdc75052fbd04b120aeb066c3881db",
         "type": "github"
       },
       "original": {
@@ -45,6 +68,27 @@
         "type": "github"
       }
     },
+    "crane": {
+      "inputs": {
+        "nixpkgs": [
+          "attic",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1717025063,
+        "narHash": "sha256-dIubLa56W9sNNz0e8jGxrX3CAkPXsq7snuFA/Ie6dn8=",
+        "owner": "ipetkov",
+        "repo": "crane",
+        "rev": "480dff0be03dac0e51a8dfc26e882b0d123a450e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ipetkov",
+        "repo": "crane",
+        "type": "github"
+      }
+    },
     "darwin": {
       "inputs": {
         "nixpkgs": [
@@ -53,11 +97,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1673295039,
-        "narHash": "sha256-AsdYgE8/GPwcelGgrntlijMg4t3hLFJFCRF3tL5WVjA=",
+        "lastModified": 1700795494,
+        "narHash": "sha256-gzGLZSiOhf155FW7262kdHo2YDeugp3VuIFb4/GGng0=",
         "owner": "lnl7",
         "repo": "nix-darwin",
-        "rev": "87b9d090ad39b25b2400029c64825fc2a8868943",
+        "rev": "4b9b83d5a92e8c1fbfd8eb27eda375908c11ec4d",
         "type": "github"
       },
       "original": {
@@ -74,11 +118,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1685970051,
-        "narHash": "sha256-F5ZxBD2DeNd+Q0dDKYBhv76kfjVG/X0ccXjSKpa8KdI=",
+        "lastModified": 1718846788,
+        "narHash": "sha256-9dtXYtEkmXoUJV+PGLqscqF7qTn4AIhAKpFWRFU2NYs=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "29d632d7e8fa86f937153ecdfd7d768411001d2d",
+        "rev": "e1174d991944a01eaaa04bc59c6281edca4c0e6e",
         "type": "github"
       },
       "original": {
@@ -88,6 +132,22 @@
       }
     },
     "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1673956053,
+        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-compat_2": {
       "flake": false,
       "locked": {
         "lastModified": 1650374568,
@@ -110,11 +170,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1685662779,
-        "narHash": "sha256-cKDDciXGpMEjP1n6HlzKinN0H+oLmNpgeCTzYnsA2po=",
+        "lastModified": 1717285511,
+        "narHash": "sha256-iKzJcpdXih14qYVcZ9QC9XuZYnPc6T8YImb6dX166kw=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "71fb97f0d875fd4de4994dfb849f2c75e17eb6c3",
+        "rev": "2a55567fcf15b1b1c7ed712a2c6fadaec7412ea8",
         "type": "github"
       },
       "original": {
@@ -126,11 +186,11 @@
     "flake-registry": {
       "flake": false,
       "locked": {
-        "lastModified": 1682423975,
-        "narHash": "sha256-zvOBrH3hwCedgpaWiOSHYSt+fgF/RhaJs8R5qOX6AYc=",
+        "lastModified": 1717415742,
+        "narHash": "sha256-HKvoLGZUsBpjkxWkdtctGYj6RH0bl6vcw0OjTOqyzJk=",
         "owner": "NixOS",
         "repo": "flake-registry",
-        "rev": "8054bfa00d60437297d670ab3296a117e7059a10",
+        "rev": "895a65f8d5acf848136ee8fe8e8f736f0d27df96",
         "type": "github"
       },
       "original": {
@@ -140,6 +200,21 @@
       }
     },
     "flake-utils": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
       "locked": {
         "lastModified": 1659877975,
         "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
@@ -162,11 +237,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1682203081,
-        "narHash": "sha256-kRL4ejWDhi0zph/FpebFYhzqlOBrk0Pl3dzGEKSAlEw=",
+        "lastModified": 1703113217,
+        "narHash": "sha256-7ulcXOk63TIT2lVDSExj7XzFx09LpdSAPtvgtM7yQPE=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "32d3e39c491e2f91152c84f8ad8b003420eab0a1",
+        "rev": "3bfaacf46133c037bb356193bd2f1765d9dc82c1",
         "type": "github"
       },
       "original": {
@@ -182,27 +257,27 @@
         ]
       },
       "locked": {
-        "lastModified": 1667907331,
-        "narHash": "sha256-bHkAwkYlBjkupPUFcQjimNS8gxWSWjOTevEuwdnp5m0=",
+        "lastModified": 1718530513,
+        "narHash": "sha256-BmO8d0r+BVlwWtMLQEYnwmngqdXIuyFzMwvmTcLMee8=",
         "owner": "rycee",
         "repo": "home-manager",
-        "rev": "6639e3a837fc5deb6f99554072789724997bc8e5",
+        "rev": "a1fddf0967c33754271761d91a3d921772b30d0e",
         "type": "github"
       },
       "original": {
         "owner": "rycee",
-        "ref": "release-22.05",
+        "ref": "release-24.05",
         "repo": "home-manager",
         "type": "github"
       }
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1684899633,
-        "narHash": "sha256-NtwerXX8UFsoNy6k+DukJMriWtEjQtMU/Urbff2O2Dg=",
+        "lastModified": 1719069430,
+        "narHash": "sha256-d9KzCJv3UG6nX9Aur5OSEf4Uj+ywuxojhiCiRKYVzXA=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "4cc688ee711159b9bcb5a367be44007934e1a49d",
+        "rev": "e8232c132a95ddc62df9d404120ad4ff53862910",
         "type": "github"
       },
       "original": {
@@ -213,27 +288,43 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1685952468,
-        "narHash": "sha256-YCOr9kttCqoa9IZMjHxX6SlwenTg7FsSmG9TaT76mSE=",
+        "lastModified": 1711401922,
+        "narHash": "sha256-QoQqXoj8ClGo0sqD/qWKFWezgEwUL0SUh37/vY2jNhc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "70f7275b32f49bc67ae3532b758b80cb6c27f98a",
+        "rev": "07262b18b97000d16a4bdb003418bd2fb067a932",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "release-23.05",
+        "ref": "nixpkgs-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
-    "nixpkgs-unstable": {
+    "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1685938391,
-        "narHash": "sha256-96Jw6TbWDLSopt5jqCW8w1Fc1cjQyZlhfBnJ3OZGpME=",
+        "lastModified": 1711460390,
+        "narHash": "sha256-akSgjDZL6pVHEfSE6sz1DNSXuYX6hq+P/1Z5IoYWs7E=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "31cd1b4afbaf0b1e81272ee9c31d1ab606503aed",
+        "rev": "44733514b72e732bd49f5511bd0203dea9b9a434",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-23.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1718983919,
+        "narHash": "sha256-+1xgeIow4gJeiwo4ETvMRvWoircnvb0JOt7NS9kUhoM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "90338afd6177fc683a04d934199d693708c85a3b",
         "type": "github"
       },
       "original": {
@@ -245,11 +336,11 @@
     },
     "nur": {
       "locked": {
-        "lastModified": 1685980073,
-        "narHash": "sha256-7BkreZ2cH488dR1XPcdlALj+2g+NvrZdG9ZhwRt0YFI=",
+        "lastModified": 1719099906,
+        "narHash": "sha256-xo1cNkVBW7NxTU5zMu0B7ZkismtkHfTRWfhBXbNnp9g=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "de817406e39c1f9be28fde1d62c1f1f0c91acb09",
+        "rev": "315cf1f8c5f5e92150d81ccafba7525c54327094",
         "type": "github"
       },
       "original": {
@@ -261,14 +352,14 @@
     "root": {
       "inputs": {
         "agenix": "agenix",
+        "attic": "attic",
         "colmena": "colmena",
         "disko": "disko",
         "flake-parts": "flake-parts",
         "flake-registry": "flake-registry",
         "home-manager": "home-manager_2",
         "nixos-hardware": "nixos-hardware",
-        "nixpkgs": "nixpkgs",
-        "nixpkgs-unstable": "nixpkgs-unstable",
+        "nixpkgs": "nixpkgs_2",
         "nur": "nur",
         "srvos": "srvos"
       }
@@ -280,11 +371,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1685966850,
-        "narHash": "sha256-HaWNbihBIBATmSbuXLzA92C4858tNdS9Q5kRHJNagVo=",
+        "lastModified": 1718844164,
+        "narHash": "sha256-QUXWv6llKIQ5To2N24d9dRI78Hqfm9iFyhvmvlOICNo=",
         "owner": "numtide",
         "repo": "srvos",
-        "rev": "4f22e6fcaf17c6313c2ecdc996760c3e4b14a623",
+        "rev": "557ff94aa1b48a723f8fa16eb9e7a2e6de991682",
         "type": "github"
       },
       "original": {
@@ -295,19 +386,34 @@
     },
     "stable": {
       "locked": {
-        "lastModified": 1669735802,
-        "narHash": "sha256-qtG/o/i5ZWZLmXw108N2aPiVsxOcidpHJYNkT45ry9Q=",
+        "lastModified": 1696039360,
+        "narHash": "sha256-g7nIUV4uq1TOVeVIDEZLb005suTWCUjSY0zYOlSBsyE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "731cc710aeebecbf45a258e977e8b68350549522",
+        "rev": "32dcb45f66c0487e92db8303a798ebc548cadedc",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-22.11",
+        "ref": "nixos-23.05",
         "repo": "nixpkgs",
         "type": "github"
       }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -1,13 +1,6 @@
 {
   description = "NixOS configuration with flakes";
 
-  nixConfig.extra-substituters = [
-    "https://newtype.cachix.org"
-  ];
-  nixConfig.extra-trusted-public-keys = [
-    "newtype.cachix.org-1:Gd5G2EVFNJslfR3PxA2+JY7mHT6MwVJ6biv5Cg47SD0="
-  ];
-
   # To update all inputs:
   # $ nix flake update --recreate-lock-file
   inputs = {
@@ -17,13 +10,12 @@
     flake-parts.url = "github:hercules-ci/flake-parts";
     flake-parts.inputs.nixpkgs-lib.follows = "nixpkgs";
 
-    nixpkgs.url = "github:NixOS/nixpkgs/release-23.05";
-    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
 
     nixos-hardware.url = "github:NixOS/nixos-hardware";
     nur.url = "github:nix-community/NUR";
 
-    home-manager.url = "github:rycee/home-manager/release-22.05";
+    home-manager.url = "github:rycee/home-manager/release-24.05";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
 
     agenix.url = "github:ryantm/agenix";
@@ -32,10 +24,17 @@
     colmena.url = "github:zhaofengli/colmena";
     colmena.inputs.nixpkgs.follows = "nixpkgs";
 
+    attic.url = "github:zhaofengli/attic";
+
     srvos.url = "github:numtide/srvos";
     # actually not used when using the modules but than nothing ever will try to fetch this nixpkgs variant
     srvos.inputs.nixpkgs.follows = "nixpkgs";
 
+    # Ryan's experimental hypervisor based on cloud-hypervisor
+    # Private repository, you need a valid SSH key to access it
+    # nixos-hypervisor.url = "git+ssh://gitea@git.newtype.fr/newtype/nixos-hypervisor?ref=main";
+    # nixos-hypervisor.inputs.nixpkgs.follows = "nixpkgs";
+
     flake-registry.url = "github:NixOS/flake-registry";
     flake-registry.flake = false;
   };
@@ -83,19 +82,19 @@
             ] ++ pkgs.lib.optional (pkgs.stdenv.isLinux) pkgs.mkpasswd;
           };
           packages = {
-          #  netboot = pkgs.callPackage ./modules/netboot/netboot.nix {
-          #    # this nixosSystem is built for x86_64 machines regardless of the host machine
-          #    pkgs = inputs.nixpkgs.legacyPackages.x86_64-linux;
-          #    inherit (inputs.nixpkgs.lib) nixosSystem;
-          #    extraModules = [
-          #      self.inputs.nur.nixosModules.nur
-          #      { _module.args.inputs = self.inputs; }
-          #    ];
-          #  };
+            #  netboot = pkgs.callPackage ./modules/netboot/netboot.nix {
+            #    # this nixosSystem is built for x86_64 machines regardless of the host machine
+            #    pkgs = inputs.nixpkgs.legacyPackages.x86_64-linux;
+            #    inherit (inputs.nixpkgs.lib) nixosSystem;
+            #    extraModules = [
+            #      self.inputs.nur.nixosModules.nur
+            #      { _module.args.inputs = self.inputs; }
+            #    ];
+            #  };
 
-          #  netboot-pixie-core = pkgs.callPackage ./modules/netboot/netboot-pixie-core.nix {
-          #    inherit (self'.packages) netboot;
-          #  };
+            #  netboot-pixie-core = pkgs.callPackage ./modules/netboot/netboot-pixie-core.nix {
+            #    inherit (self'.packages) netboot;
+            #  };
           };
         };
         flake = {

hosts/epyc.nix

@@ -1,13 +1,52 @@
+{ inputs, lib, pkgs, ... }:
+let
+  gcc-system-features = arch: lib.optionals (arch != null) ([ "gccarch-${arch}" ]
+  ++ map (x: "gccarch-${x}") lib.systems.architectures.inferiors.${arch});
+in
 {
   imports = [
     ../modules/ipmi-supermicro.nix
     ../modules/hardware/supermicro-H12SSL-i.nix
+    ../modules/iperf-server.nix
+    ../modules/hypervisor.nix
+    ../modules/android-cache.nix
+    ../modules/garage.nix
+    ../modules/users/friends.nix
+    ../modules/bagel-container.nix
   ];
 
   networking.hostName = "epyc";
+
+  security.acme.acceptTerms = true;
+  security.acme.defaults.email = "epyc@lahfa.xyz";
+
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
 
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+
+  # Open public access to our PostgreSQL.
+  services.postgresql.enable = true;
+  services.postgresql.enableTCPIP = true;
+  services.postgresql.authentication = ''
+    host  hydra-nixos-org hydra_ro  ::/0  trust
+  '';
+  networking.firewall.allowedTCPPorts = [ 5432 ];
+
+  nix.buildMachines = [
+    {
+      hostName = "localhost";
+      systems = [
+        "x86_64-linux"
+        "riscv64-linux"
+      ];
+      supportedFeatures = [ "kvm" "nixos-test" "big-parallel" "benchmark" ] ++ gcc-system-features "znver3";
+      maxJobs = 2;
+    }
+  ];
+
+  boot.binfmt.emulatedSystems = [ "riscv64-linux" "aarch64-linux" "riscv64-linux" ];
+
   simd.arch = "znver3";
   system.stateVersion = "23.05";
 }

modules/android-cache.nix

@@ -0,0 +1,14 @@
+{ lib, ... }:
+let
+  mirrors = {
+    # "https://android.googlesource.com" = "/mnt/aospaosp/mirror";
+    # "https://github.com/LineageOS" = "/var/lib/src/lineageos/LineageOS";
+    # "https://github.com/TheMuppets" = "/var/lib/src/themuppets/TheMuppets";
+  };
+in
+{
+  nix.envVars.ROBOTNIX_GIT_MIRRORS = lib.concatStringsSep "|" (lib.mapAttrsToList (local: remote: "${local}=${remote}") mirrors);
+
+  # Also add local mirrors to nix sandbox exceptions
+  nix.sandboxPaths = lib.attrValues mirrors;
+}

modules/auto-upgrade.nix

@@ -1,7 +1,9 @@
 { pkgs, ... }: {
-  system.autoUpgrade.enable = true;
-  system.autoUpgrade.flake = "git:git.newtype.fr/newtype/newtype-org-configurations";
-  system.autoUpgrade.flags = [ "--option" "accept-flake-config" "true" ];
+  system.autoUpgrade = {
+    enable = true;
+    flake = "git+https://git.newtype.fr/newtype/newtype-org-configurations";
+    flags = [ "--option" "accept-flake-config" "true" ];
+  };
 
   # add a random jitter so not all machines reboot at the same time.
   systemd.timers.auto-reboot.timerConfig.RandomizedDelaySec = 60 * 20;

modules/bagel-container.nix

@@ -0,0 +1,46 @@
+# Stateful/mutable container used for Bagel (tm) related infra (mostly
+# rebuilding nixpkgs a lot).
+#
+# System image is stored at /var/lib/machines/bagel.
+{
+  systemd.nspawn.bagel = {
+    execConfig = {
+      Boot = true;
+      Ephemeral = false;
+      PrivateUsers = true;
+      NotifyReady = true;
+      LinkJournal = "try-guest";
+    };
+
+    networkConfig = {
+      Bridge = "wan-br";
+      VirtualEthernetExtra = "vb-bagel-v4:host1";
+    };
+  };
+
+  systemd.services."systemd-nspawn@bagel" = {
+    wantedBy = [ "machines.target" ];
+    wants = [ "network.target" ];
+    after = [ "network.target" ];
+    overrideStrategy = "asDropin";
+  };
+
+  systemd.network.networks."20-vb-bagel-v4" = {
+    matchConfig.Name = "vb-bagel-v4";
+    networkConfig.Address = [ "172.16.100.1/24" ];
+    networkConfig.IPMasquerade = true;
+  };
+
+  # Configure a local Nix builder account, since getting sandboxing and KVM
+  # working inside the container will be tricky.
+  users.users.bagel-builder = {
+    isSystemUser = true;
+    group = "nogroup";
+    home = "/var/empty";
+    shell = "/bin/sh";
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAvUT9YBig9LQPHgypIBHQuC32XqDKxlFZ2CfgDi0ZKx"
+    ];
+  };
+  nix.settings.trusted-users = [ "bagel-builder" ];
+}

modules/buildbot/default.nix

@@ -0,0 +1,58 @@
+{ lib, pkgs, config, inputs, ... }:
+with lib;
+let
+  cfg = config.luj.buildbot;
+  port = "1810";
+  package = pkgs.buildbot-worker;
+  python = package.pythonModule;
+  home = "/var/lib/buildbot-worker";
+  buildbotDir = "${home}/worker";
+in
+{
+  #buildbot worker
+
+  #  nix.settings.allowed-users = [ "buildbot-worker" ];
+  nix.settings.trusted-users = [ "buildbot-worker" ];
+  users.users.buildbot-worker = {
+    description = "Buildbot Worker User.";
+    isSystemUser = true;
+    createHome = true;
+    home = "/var/lib/buildbot-worker";
+    group = "buildbot-worker";
+    useDefaultShell = true;
+  };
+  users.groups.buildbot-worker = { };
+
+  systemd.services.buildbot-worker = {
+    reloadIfChanged = true;
+    description = "Buildbot Worker.";
+    after = [ "network.target" "buildbot-master.service" ];
+    wantedBy = [ "multi-user.target" ];
+    path = [
+      pkgs.nix-eval-jobs
+      pkgs.git
+      pkgs.gh
+      pkgs.nix
+      pkgs.nix-output-monitor
+    ];
+    environment.PYTHONPATH = "${python.withPackages (_: [package])}/${python.sitePackages}";
+    environment.MASTER_URL = ''TCP:2a01\\:e34\\:ec2a\\:8e60\\:8ec7\\:b5d2\\:f663\\:a67a:9989'';
+    environment.BUILDBOT_DIR = buildbotDir;
+    environment.WORKER_PASSWORD_FILE = "/var/lib/buildbot-worker/password.txt";
+
+    serviceConfig = {
+      Type = "simple";
+      User = "buildbot-worker";
+      Group = "buildbot-worker";
+      WorkingDirectory = home;
+
+      # Restart buildbot with a delay. This time way we can use buildbot to deploy itself.
+      ExecReload = "+${pkgs.systemd}/bin/systemd-run --on-active=60 ${pkgs.systemd}/bin/systemctl restart buildbot-worker";
+      ExecStart = "${python.pkgs.twisted}/bin/twistd --nodaemon --pidfile= --logfile - --python ${./worker.py}";
+    };
+  };
+
+}
+
+
+

modules/buildbot/worker.py

@@ -0,0 +1,58 @@
+#!/usr/bin/env python3
+
+import multiprocessing
+import os
+import socket
+from io import open
+
+from buildbot_worker.bot import Worker
+from twisted.application import service
+
+
+def require_env(key: str) -> str:
+    val = os.environ.get(key)
+    assert val is not None, "val is not set"
+    return val
+
+
+def setup_worker(application: service.Application, id: int) -> None:
+    basedir = f"{require_env('BUILDBOT_DIR')}-{id}"
+    os.makedirs(basedir, mode=0o700, exist_ok=True)
+
+    master_url = require_env("MASTER_URL")
+    hostname = socket.gethostname()
+    workername = f"{hostname}-{id}"
+
+    with open(
+        require_env("WORKER_PASSWORD_FILE"), "r", encoding="utf-8"
+    ) as passwd_file:
+        passwd = passwd_file.read().strip("\r\n")
+    keepalive = 600
+    umask = None
+    maxdelay = 300
+    numcpus = None
+    allow_shutdown = None
+
+    s = Worker(
+        "2a01:e34:ec2a:8e60:8ec7:b5d2:f663:a67a",
+        9989,
+        workername,
+        passwd,
+        basedir,
+        keepalive,
+        umask=umask,
+        maxdelay=maxdelay,
+        numcpus=numcpus,
+        allow_shutdown=allow_shutdown,
+    )
+    s.setServiceParent(application)
+
+
+# note: this line is matched against to check that this is a worker
+# directory; do not edit it.
+application = service.Application("buildbot-worker")
+
+for i in range(14):
+    setup_worker(application, i)
+
+

modules/builder.nix

@@ -3,7 +3,10 @@
     isNormalUser = true;
     home = "/home/nix";
     openssh.authorizedKeys.keys = [
-      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAZpEtSfB0GDwcELc5/AKNiBZJV9OVfQ0BMFzBlF+8Yd raito@everywhere"
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIA3hCOyFwuoCLt5W9e9yQSwj9I+VspB0kNNHsoFngbgZ raito@thors"
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIF07Sy0O+oletFYlrfS0+XtBWJO2F+Rc9J/ocNLBa/OE raito@thorkell"
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDu4cEqZzAI/1vZjSQkTJ4ijIg9nuloOuSKUrnkJIOFn buildbot@top-secret" # Top secret's project buildbot key
+      "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIH/LDRUG+U+++UmlxvA2kspioTjktQZ8taDcHq8gVlkfAAAABHNzaDo=" # winterqt
     ];
     uid = 5001;
   };

modules/garage.nix

@@ -0,0 +1,37 @@
+{ pkgs, ... }: {
+  services.garage = {
+    enable = true;
+    package = pkgs.garage_0_8;
+    settings = {
+      db_engine = "lmdb";
+      block_size = (10 * 1024 * 1024); # 10MB
+      replication_mode = "none";
+      rpc_bind_addr = "[::1]:3901";
+      rpc_public_addr = "[::1]:3901";
+      rpc_secret = "f5b8ede0abe0a3d454d96e8b352e29a1d94522b64274d23b256d57482441ccc1";
+
+      s3_api = {
+        s3_region = "garage";
+        api_bind_addr = "[::1]:3900";
+        root_domain = ".s3.infra.newtype.fr";
+      };
+
+      s3_web = {
+        bind_addr = "[::1]:3902";
+        root_domain = ".web.infra.newtype.fr";
+        index = "index.html";
+      };
+    };
+  };
+
+  services.nginx = {
+    enable = true;
+    virtualHosts."s3.infra.newtype.fr" = {
+      forceSSL = true;
+      enableACME = true;
+      locations."/".proxyPass = "http://[::1]:3900/";
+    };
+  };
+
+  networking.firewall.allowedTCPPorts = [ 80 443 ];
+}

modules/hardware/supermicro-H12SSL-i.nix

@@ -8,28 +8,44 @@
     [ (modulesPath + "/installer/scan/not-detected.nix")
     ];
 
-  boot.kernelParams = [ "pci=realloc" ];
+  boot.kernelParams = [ "pci=realloc" "boot.shell_on_fail" ];
   boot.initrd.availableKernelModules = [ "xhci_pci" "nvme" "usbhid" "usb_storage" "sd_mod" ];
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-amd" ];
   boot.extraModulePackages = [ ];
 
-  boot.initrd.systemd.enable = lib.mkForce false;
+  boot.initrd.services.lvm.enable = true;
+  boot.initrd.systemd.enable = true;
 
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/3a81ba8f-f5bb-446c-89a3-ad77e354dae0";
-      fsType = "btrfs";
+  fileSystems."/experiments" =
+    { device = "/dev/disk/by-uuid/40ef7d25-91c5-41e4-a40f-b0fb93658ffe";
+      fsType = "ext4";
     };
 
-  boot.initrd.luks.devices."nixroot" = {
-   device = "/dev/disk/by-uuid/c10d2822-cb83-4666-98f8-0aa04be259bc";
-   keyFile = "/dev/zero";
-   keyFileSize = 1;
-  };
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/53cc33a3-1488-44c4-8f5d-a2bc67914274";
+      fsType = "xfs";
+    };
+
+  fileSystems."/nix" =
+    { device = "/dev/disk/by-uuid/cee7b903-53f6-4967-b95d-654d34ccd460";
+      fsType = "xfs";
+    };
+
+  fileSystems."/home" =
+    { device = "/dev/disk/by-uuid/5625935d-579b-41e4-be35-03df8437bc2c";
+      fsType = "xfs";
+    };
+
+  fileSystems."/var" =
+    { device = "/dev/disk/by-uuid/33bf7f4e-37f5-4121-84ac-70d06964ea21";
+      fsType = "xfs";
+    };
 
   fileSystems."/boot" =
     { device = "/dev/disk/by-uuid/AFF2-3149";
       fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
     };
 
   swapDevices =

modules/hosts.nix

@@ -40,7 +40,7 @@ in
     # usually, for each host there is a hostname.dse.in.tum.de and hostname.r domain
     networking.newtype.hosts = {
       epyc = {
-        ipv6 = "2001:470:ca5e:dee:587c:7a50:f36c:cae8";
+        ipv6 = "2001:bc8:38ee:100::500";
       };
     };
   };

modules/hydra/coordinator.nix

@@ -0,0 +1,81 @@
+{ pkgs, ... }: {
+  services.hydra = {
+    enable = false;
+    hydraURL = "https://hydra.newtype.fr";
+    notificationSender = "hydra@localhost";
+    buildMachinesFiles = [ "/etc/nix/machines" ];
+    useSubstitutes = true;
+  };
+
+  environment.systemPackages = [ pkgs.nix-prefetch-git ];
+  nix.trustedUsers = [ "hydra" "hydra-www" ];
+
+  services.postgresql = {
+    enableJIT = true;
+    settings = {
+      checkpoint_completion_target = "0.9";
+      default_statistics_target = 100;
+
+      max_connections = 500;
+      work_mem = "20MB";
+      maintenance_work_mem = "2GB";
+
+      shared_buffers = "8GB";
+
+      min_wal_size = "1GB";
+      max_wal_size = "2GB";
+      wal_buffers = "16MB";
+
+      max_worker_processes = 16;
+      max_parallel_workers_per_gather = 8;
+      max_parallel_workers = 16;
+
+      # NVMe related performance tuning
+      effective_io_concurrency = 200;
+      random_page_cost = "1.1";
+
+      # We can risk losing some transactions.
+      synchronous_commit = "off";
+
+      effective_cache_size = "16GB";
+
+      # autovacuum and autoanalyze much more frequently:
+      # at these values vacuum should run approximately
+      # every 2 mass rebuilds, or a couple times a day
+      # on the builds table. Some of those queries really
+      # benefit from frequent vacuums, so this should
+      # help. In particular, I'm thinking the jobsets
+      # pages.
+      autovacuum_vacuum_scale_factor = 0.002;
+      autovacuum_analyze_scale_factor = 0.001;
+
+      shared_preload_libraries = "pg_stat_statements";
+      compute_query_id = "on";
+    };
+  };
+
+  security.acme = {
+    acceptTerms = true;
+    defaults.email = "ryan@lahfa.xyz";
+  };
+
+  services.nginx = {
+    enable = true;
+
+    recommendedZstdSettings = true;
+    recommendedBrotliSettings = true;
+    recommendedGzipSettings = true;
+    recommendedOptimisation =true;
+    recommendedTlsSettings = true;
+    recommendedProxySettings = true;
+  };
+
+  services.nginx.virtualHosts."hydra.newtype.fr" = {
+    forceSSL = true;
+    enableACME = true;
+    # TODO: remove compression for some locations
+    locations."/".proxyPass = "http://localhost:3000";
+  };
+
+  networking.firewall.allowedTCPPorts = [ 80 443 ];
+}

modules/hypervisor.nix

@@ -0,0 +1,2 @@
+{ ... }: {
+}

modules/iperf-server.nix

@@ -0,0 +1,6 @@
+{ ... }: {
+  services.iperf3 = {
+    enable = true;
+    openFirewall = true;
+  };
+}

modules/network.nix

@@ -14,8 +14,8 @@
     '')
     config.networking.newtype.hosts);
 
-  # leave container interfaces alone
-  systemd.network.networks."05-veth".extraConfig = ''
+  # leave container interfaces alone unless otherwise specified
+  systemd.network.networks."95-veth".extraConfig = ''
     [Match]
     Driver = veth
 
@@ -34,12 +34,29 @@
     linkConfig.Name = "nat-lan";
   };
 
-  systemd.network.networks."10-wan" = {
-    matchConfig.Name = "wan";
+  systemd.network.netdevs."10-wan-br" = {
+    netdevConfig.Name = "wan-br";
+    netdevConfig.Kind = "bridge";
+    netdevConfig.MACAddress = "none";
+    bridgeConfig.MulticastSnooping = false;
+  };
+
+  systemd.network.links."10-wan-br" = {
+    matchConfig.Name = "wan-br";
+    linkConfig.MACAddressPolicy = "none";
+  };
+
+  systemd.network.networks."10-wan-br" = {
+    matchConfig.Name = "wan-br";
     linkConfig.RequiredForOnline = true;
     networkConfig.Address = [ config.networking.newtype.currentHost.ipv6 ];
   };
 
+  systemd.network.networks."10-wan" = {
+    matchConfig.Name = "wan";
+    networkConfig.Bridge = "wan-br";
+  };
+
   systemd.network.links."10-wan" = {
     matchConfig.MACAddress = "3c:ec:ef:7e:bd:c9";
     linkConfig.Name = "wan";

modules/nix-daemon.nix

@@ -1,6 +1,7 @@
 { lib
 , config
 , pkgs
+, inputs
 , ...
 }:
 
@@ -24,25 +25,53 @@ in
 
   config = {
     warnings = lib.optionals (config.simd.arch == null) [ "Please set simd.arch for ${config.networking.hostName}" ];
+    # Allow more open files for non-root users to run NixOS VM tests.
+    security.pam.loginLimits = [
+      { domain = "*"; item = "nofile"; type = "-"; value = "20480"; }
+    ];
+
+    # Makes the computer go faster.
+    # nixos.jobserver.enable = true;
+    # TODO(raito): rework this.
+
+    # Avoid weird failures for builders.
+    services.openssh.settings.MaxStartups = 100;
+
+    # Memory accounting techniques
+    systemd.services.nix-daemon.serviceConfig = {
+      MemoryAccounting = true;
+      MemoryMax = "225G";
+      MemoryHigh = "220G";
+      MemorySwapMax = "2G";
+      ManagedOOMSwap = "kill";
+      ManagedOOMMemoryPressure = "kill";
+      MemoryPressureWatch = "on";
+    };
 
     nix = {
+      # Garbage-collect often
       gc.automatic = true;
-      gc.dates = "03:15";
-      gc.options = "--delete-older-than 30d";
+      gc.dates = "*:45";
+      gc.options = ''--max-freed "$((128 * 1024**3 - 1024 * $(df -P -k /nix/store | tail -n 1 | ${pkgs.gawk}/bin/awk '{ print $4 }')))"'';
 
-      # 2.11, 2.12 suffers from a bug with remote builders…
-      package = pkgs.nixVersions.nix_2_13;
+      # Randomize GC to avoid thundering herd effects.
+      gc.randomizedDelaySec = "1800";
+
+      # A much better choice.
+      package = pkgs.lix;
 
       # should be enough?
-      nrBuildUsers = lib.mkDefault 32;
-
-      # https://github.com/NixOS/nix/issues/719
+      nrBuildUsers = 128;
 
       settings = {
-        keep-outputs = true;
-        keep-derivations = true;
-        # in zfs we trust
-        fsync-metadata = lib.boolToString (!config.boot.isContainer or config.fileSystems."/".fsType != "zfs");
+        keep-outputs = false;
+        keep-derivations = false;
+        use-cgroups = true;
+        http-connections = 0;
+        auto-allocate-uids = true;
+        cores = 0;
+        max-jobs = 2; # Do not build more than 2 derivations at once in the event, both of them are too big, yes this is stupid, fix it in Nix.
+        fsync-metadata = true;
         substituters = [
           "https://nix-community.cachix.org"
           "https://tum-dse.cachix.org"
@@ -52,6 +81,13 @@ in
           "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
           "tum-dse.cachix.org-1:v67rK18oLwgO0Z4b69l30SrV1yRtqxKpiHodG4YxhNM="
         ];
+        experimental-features = [
+          "auto-allocate-uids"
+          # "ca-derivations" this feature is really extremely broken.
+          "cgroups"
+          "fetch-closure"
+          "impure-derivations"
+        ];
       };
     };
 

modules/packages.nix

@@ -1,10 +1,11 @@
-{ pkgs, ... }: {
+{ pkgs, config, inputs, ... }: {
   # this extends the list from:
   # https://github.com/numtide/srvos/blob/master/server.nix#L10
   environment.systemPackages = with pkgs; [
     socat
     whois
 
+    nix-output-monitor
     jq
     psmisc
     libarchive
@@ -33,6 +34,9 @@
     ethtool
     usbutils
 
+    config.boot.kernelPackages.perf
+    pwru
+
     ipmitool
     # tries to default to soft-float due to out-dated cc-rs
   ] ++ lib.optional (!stdenv.hostPlatform.isRiscV) bandwhich;

modules/ssh-cursed.nix

@@ -0,0 +1,36 @@
+{
+  programs.ssh.extraConfig = ''
+        Host telecom-bastion
+    		HostName ssh.enst.fr
+    		User jmalka
+                IdentityFile /home/luj/.ssh/id_ed25519
+
+        Host lame11
+    		Hostname lame11.enst.fr
+    		User nix-remote-builder
+    		ProxyJump telecom-bastion
+                IdentityFile /home/luj/.ssh/id_ed25519
+        Host lame10
+    		Hostname lame10.enst.fr
+    		User nix-remote-builder
+    		ProxyJump telecom-bastion
+                IdentityFile /home/luj/.ssh/id_ed25519
+        Host lame12
+    		Hostname lame12.enst.fr
+    		User nix-remote-builder
+    		ProxyJump telecom-bastion
+                IdentityFile /home/luj/.ssh/id_ed25519
+        Host lame16
+    		Hostname lame16.enst.fr
+    		User nix-remote-builder
+    		ProxyJump telecom-bastion
+                IdentityFile /home/luj/.ssh/id_ed25519
+        Host lame17
+    		Hostname lame17.enst.fr
+    		User nix-remote-builder
+    		ProxyJump telecom-bastion
+                IdentityFile /home/luj/.ssh/id_ed25519
+
+  '';
+
+}

modules/users/admins.nix

@@ -22,7 +22,7 @@ in
       luj = {
         isNormalUser = true;
         home = "/home/luj";
-        inherit (config.users.users.raito) extraGroups;
+        extraGroups = extraGroups ++ [ "production-hydra-db" ];
         shell = "/run/current-system/sw/bin/zsh";
         uid = 1001;
         openssh.authorizedKeys.keyFiles = [ ./keys/luj.keys ];
@@ -65,6 +65,6 @@ in
       };
     };
 
-    nix.settings.trusted-users = [ "raito" "luj" "gdd" "akechi" "tomate" ];
+    nix.settings.trusted-users = [ "raito" "luj" "gdd" "akechi" "tomate" "niklas" "jade" "winter" ];
   };
 }

modules/users/friends.nix

@@ -0,0 +1,94 @@
+{ ... }:
+let
+  trustedFriendGroups = [
+    "production-hydra-db"
+  ];
+in
+{
+  # deleted users: ninjatrappeur, flokli
+  users.users = {
+    linus = {
+      isNormalUser = true;
+      home = "/home/linus";
+      shell = "/run/current-system/sw/bin/zsh";
+      uid = 2001;
+      # Raito: I allowed linus to be root to get some stuff done
+      # on behalf of me.
+      extraGroups = [ "wheel" ] ++ trustedFriendGroups;
+      openssh.authorizedKeys.keyFiles = [ ./keys/linus.keys ];
+    };
+    niklas = {
+      isNormalUser = true;
+      home = "/home/niklas";
+      shell = "/run/current-system/sw/bin/zsh";
+      uid = 2002;
+      extraGroups = trustedFriendGroups;
+      openssh.authorizedKeys.keyFiles = [ ./keys/niklas.keys ];
+    };
+    # Raito: Permanent account for Jade who has been driving a lot of good work.
+    # expires = 2060 because of a convergence bug, I cannot remove the expiration date anymore.
+    jade = {
+      isNormalUser = true;
+      home = "/home/jade";
+      shell = "/run/current-system/sw/bin/zsh";
+      uid = 2004;
+      expires = "2060-05-01";
+      extraGroups = trustedFriendGroups;
+      openssh.authorizedKeys.keys = [
+        "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDNldAg4t13/i69TD786The+U3wbiNUdW2Kc9KNWvEhgpf4y4x4Sft0oYfkPw5cjX4H3APqfD+b7ItAG0GCbwHw6KMYPoVMNK08zBMJUqt1XExbqGeFLqBaeqDsmEAYXJRbjMTAorpOCtgQdoCKK/DvZ51zUWXxT8UBNHSl19Ryv5Ry5VVdbAE35rqs57DQ9+ma6htXnsBEmmnC+1Zv1FE956m/OpBTId50mor7nS2FguAtPZnDPpTd5zl9kZmJEuWCrmy6iinw5V4Uy1mLeZkQv+/FtozbyifCRCvps9nHpv4mBSU5ABLgnRRvXs+D41Jx7xloNADr1nNgpsNrYaTh hed-bot-ssh-tpm-rsa"
+        "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIKYljH8iPMrH00lOb3ETxRrZimdKzPPEdsJQ5D5ovtOwAAAACnNzaDpzc2hrZXk= ssh:sshkey"
+        "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBO4idMfdJxDJuBNOid60d4I+qxj09RHt+YkCYV2eXt6tGrEXg+S8hTQusy/SqooiXUH9pt4tea2RuBPN9+UwrH0= type-a yubikey slot 9a"
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHGIBMfUypLctmorlRz9xIzXRgmtqDMxF5T5Fxy4JxNb root@tail-bot"
+      ];
+    };
+    # Raito: Permanent account for winter, she was the one in charge of the Darwin build box for a while,
+    # helped a bunch of people and deserve it :-).
+    # expires = 2060 because of a convergence bug, I cannot remove the expiration date anymore.
+    winter = {
+      isNormalUser = true;
+      home = "/home/winter";
+      shell = "/run/current-system/sw/bin/zsh";
+      uid = 2005;
+      expires = "2060-05-01";
+      extraGroups = trustedFriendGroups;
+      openssh.authorizedKeys.keys = [
+        "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIH/LDRUG+U+++UmlxvA2kspioTjktQZ8taDcHq8gVlkfAAAABHNzaDo="
+      ];
+    };
+    # Raito: Permanent account for pennae, they are doing a bunch of excellent Nix work (including performance).
+    pennae = {
+      isNormalUser = true;
+      home = "/home/pennae";
+      shell = "/run/current-system/sw/bin/zsh";
+      uid = 2006;
+      # Raito: Allowed to debug jobserver.
+      extraGroups = [ "wheel" ] ++ trustedFriendGroups;
+      openssh.authorizedKeys.keys = [
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIC5Wf5/IbyFpdziWfwxkQqxOf3r1L9pYn6xQBEKFwmMY"
+        "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIK8icXjHkb4XzbIVN3djH4CE7RvgGd+3xbG4cgh0Yls5AAAABHNzaDo="
+      ];
+    };
+    # Raito: Temporary account until next year, for delroth, who is going to work on building capabilities for improving build infrastructure.
+    delroth = {
+      isNormalUser = true;
+      home = "/home/delroth";
+      shell = "/run/current-system/sw/bin/zsh";
+      uid = 2007;
+      # Raito: Allowed to spawn new VMs and do various stuff for isolating the workloads.
+      extraGroups = [ "wheel" ];
+      openssh.authorizedKeys.keys = [
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAII3tjB4KYDok3KlWxdBp/yEmqhhmybd+w0VO4xUwLKKV"
+      ];
+    };
+    # Raito: Temporary account for the next week, for VM testing in the context of the systemd-hardening project.
+    jmarquet = {
+      isNormalUser = true;
+      home = "/home/jmarquet";
+      uid = 2008;
+      expires = "2024-08-30";
+      openssh.authorizedKeys.keys = [
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFe4tx0+lNX2w7kG94c9u7U0wHuOc2A6zpHcbyAs+w/d thejohncrafter@system76-pc"
+      ];
+    };
+  };
+}

modules/users/keys/akechi.keys

@@ -1,2 +1 @@
-ssh-rsa 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
-ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIK5vbxUd8I+uF/OY/PpPhSzrLN14Waq82uyQXNPYpHjA
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICRDM7fyeGRgYzuW+falRZayYSf5xMwj2d2PI9vSyjOD

modules/users/keys/gdd.keys

@@ -1 +1,2 @@
 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICE7TN5NQKGojNGIeTFiHjLHTDQGT8i05JFqX/zLW2zc
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIqnCNhMl5KgERtpFAVUjd11JDsf0uQ/8NY5sj4tnjw5

modules/users/keys/linus.keys

@@ -0,0 +1,4 @@
+ssh-rsa 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
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIN3EmXYSXsimS+vlGYtfTkOGuwvkXU0uHd2yYKLOxD2F
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIJWYrcu8usyqdLv4XO4i5TPaQhB+lH3Xbu2uz64hQe3
+sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAICDgQA1A1uHJsqLsSLLkuWNlxXrpGRD6Qx11WBbfP+SmAAAAEXNzaDpsaW51c0BiZWl3ZXJr

modules/users/keys/luj.keys

@@ -1,4 +1,5 @@
 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIM9Uzb7szWlux7HuxLZej9cBR5MhLz/vaAPPfSoozt2k
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHoYi9YFzovZfwrY3BUA3QqcyBE8gfNTncbs3qqkLbyY
 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDCKfPoMNrnyNWH6J1OvQ+n1rvSS9Sc2iZf6E1JQC+L4
 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIESMWr29i3rhj32oLV3DKe57YI+jvNaKjZhhpq6dEjsn
 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJOCKgHRHAJDSgKqYNfWboL04mnEOM0m0K3TGxBhBNDR
@@ -8,4 +9,7 @@ ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILxfFq8wx5Bet5Q0gI28/lc9ryYYFQelpZdPPdzxGBbA
 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGa+7n7kNzb86pTqaMn554KiPrkHRGeTJ0asY1NjSbpr
 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILKIDLmQQ+P+jE4zVRpdVp8fmYEe4nzPDqYZt6A4eyIi
 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAkj2xsN7Qt/Ew2QO+HiF2yOjXPRucZ3SbIdPDLJoh22
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDMBW7rTtfZL9wtrpCVgariKdpN60/VeAzXkh9w3MwbO
 ssh-rsa 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
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIADCpuBL/kSZShtXD6p/Nq9ok4w1DnlSoxToYgdOvUqo
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC0yxKgDt5IsroNxjqRYpbt7F3m8kewrnFql9PRSQgUMoAmLjIdtaNolfTGwPnb+mkhfh1wac7+SdoFilVAWfxdcBpkt6smou0EG4ek6nRQDV+MceZb/Yaroj6qDZ0XdSnirCIXvVSLAs+z+rwRNVP/vPr+PZc7eRCjeTWZftjIAF0XPL09raDIpdZZKrWKOk7ieWV1NedEf72HvD720mmyEpR2z8iFKcVbZlVmC1KAnfozpX22nk+i9LLuwpFWdb8cDpObuu7OoGVPvX5h0TxI+6vH+9+u657G0AyHyJrBdbMzJDFdRolWYCzUo5G+2deBlY1VMJ36oNx17xkd4vBh

modules/users/keys/niklas.keys

@@ -0,0 +1 @@
+sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAINHd1ay1FSTHZzE+3XCdUiS5efFmJ9GUvx4+7F5uXVtMAAAABHNzaDo= nikstur

modules/users/keys/ninjatrappeur.keys

@@ -0,0 +1,3 @@
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQClF9ko5u4zf0CEvleEeRbo9r6BMNgXEGO/rDNZOEHcKxVaeIi+/xF6ZQ5MZbcmH08lswq32hb1XwXg7Gk+ofUdEvCD/kC/vJijt7IFkardy6BNOSWQJLEf6/BpL3LzDQhi7iZXPF46VYoPVGHBh8fKQaAtOCrhbf/8JutfTwCglEztjoiQxY5b8OMfntjBSl6TJwZPJAoQllbJJz9q90sBetvqx6Y08eqIzsSZw6pznpvivRR+TSKU0EkVYS2y2zBAvPK6oyunj5zi01/FACT+Qn70dUkumZAvcPssbl0hCs/xDLgEL6hCEvoszodyMYVn7HS0KwfUlfiGdNUOFHIl
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHzd1XAB7Pc8Tplur5iV3llOXtvlHru8pLtQlbvHzmt1
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOE7oDtq+xt5RuvMigDZMeZQODFr5Otz6HCO8wnI80oo

modules/users/keys/raito.keys

@@ -1,3 +1,4 @@
 ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDcEkYM1r8QVNM/G5CxJInEdoBCWjEHHDdHlzDYNSUIdHHsn04QY+XI67AdMCm8w30GZnLUIj5RiJEWXREUApby0GrfxGGcy8otforygfgtmuUKAUEHdU2MMwrQI7RtTZ8oQ0USRGuqvmegxz3l5caVU7qGvBllJ4NUHXrkZSja2/51vq80RF4MKkDGiz7xUTixI2UcBwQBCA/kQedKV9G28EH+1XfvePqmMivZjl+7VyHsgUVj9eRGA1XWFw59UPZG8a7VkxO/Eb3K9NF297HUAcFMcbY6cPFi9AaBgu3VC4eetDnoN/+xT1owiHi7BReQhGAy/6cdf7C/my5ehZwD
 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIE0xMwWedkKosax9+7D2OlnMxFL/eV4CvFZLsbLptpXr
 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKiXXYkhRh+s7ixZ8rvG8ntIqd6FELQ9hh7HoaHQJRPU
+ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBJFsZ7PMDt80tYXHyScQajNhqH4wuYg/o0OxfOHaZD4rXuT0VIKflKH1M9LslfHWIEH3XNeqhQOziH9r+Ny5JcM=

modules/users/keys/tomate.keys

@@ -1 +1,2 @@
 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIL+EZXYziiaynJX99EW8KesnmRTZMof3BoIs3mdEl8L3
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPM1jpXR7BWQa7Sed7ii3SbvIPRRlKb3G91qC0vOwfJn thubrecht@dell-xps

modules/zsh.nix

@@ -4,5 +4,13 @@
   programs.zsh.enableGlobalCompInit = false;
   programs.zsh.interactiveShellInit = ''
     source ${pkgs.zsh-nix-shell}/share/zsh-nix-shell/nix-shell.plugin.zsh
-  '';
+    '';
+  programs.zsh = {
+    autosuggestions.enable = true;
+    promptInit = ''
+      source ${pkgs.grml-zsh-config}/etc/zsh/zshrc
+    '';
+  };
+
+  users.defaultUserShell = pkgs.zsh;
 }