Expand installation.md

Changes the `quick-start.md` to recommend a multi-user install, since
single-user is not supported on MacOS and https://nixos.org/download.html
recommends multi-user.

Expands `installation.md` to reflect wording on https://nixos.org/download.html
This commit is contained in:
Ana Hobden 2023-01-16 11:35:12 -08:00
parent 1df3d62c76
commit 763c1dfc2b
2 changed files with 44 additions and 8 deletions

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This section describes how to install and configure Nix for first-time
use.
# Installation
This section describes how to install and configure Nix for first-time use.
The current recommended option on Linux and MacOS is [multi-user](#multi-user).
## Multi-user
This installation offers better sharing, improved isolation, and more security
over a single user installation.
This option requires either:
* Linux running systemd, with SELinux disabled
* MacOS
```console
$ bash <(curl -L https://nixos.org/nix/install) --daemon
```
## Single-user
> Single-user is not supported on Mac.
This installation has less requirements than the multi-user install, however it
cannot offer equivalent sharing, isolation, or security.
This option is suitable for systems without systemd.
```console
$ bash <(curl -L https://nixos.org/nix/install) --no-daemon
```
## Distributions
The Nix community maintains installers for several distributions.
They can be found in the [`nix-community/nix-installers`](https://github.com/nix-community/nix-installers) repository.

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documentation. For more in-depth information you are kindly referred
to subsequent chapters.
1. Install single-user Nix by running the following:
1. Install Nix by running the following:
```console
$ bash <(curl -L https://nixos.org/nix/install)
$ bash <(curl -L https://nixos.org/nix/install) --daemon
```
This will install Nix in `/nix`. The install script will create
`/nix` using `sudo`, so make sure you have sufficient rights. (For
other installation methods, see
[here](installation/installation.md).)
The install script will use `sudo`, so make sure you have sufficient rights.
On Linux, `--daemon` can be omitted for a single-user install.
For other installation methods, see [here](installation/installation.md).
1. See what installable packages are currently available in the
channel: