nixos/docs/Update.md

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2024-07-20 17:25:59 +01:00
# Update
The following document describes the process on updating the NixOS system.
## Updating Flake
The flake's lockfile will need to be updated to fetch newer packages. This is
like running `apt update` on a Debian system.
Run the following command in the flake git repository:
```bash
nix flake update
```
> **NOTE:** This will update the git repository, but might be a good idea to
check if the changes break the system at all before committing them to the
repository, or at least the `main` branch.
## Rebuilding System
You then need to reapply the flake to the system for the changes to take
affect. This is like running `apt upgrade` on a Debian system.
Run the following command in the flake git repository, replacing `#HOSTNAME`
with the current system's hostname:
```bash
sudo nixos-rebuild switch --flake .#HOSTNAME
```