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fix: restart the nix daemon #191

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zmitchell merged 1 commit into from
Mar 30, 2025
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fix: restart the nix daemon #191

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24 changes: 21 additions & 3 deletions docs/cookbook/publish/signing-keys.md
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,9 @@ If you need to use a different signing key (for example, to publish to a differe
In order to install a published artifact you must configure your system to trust the corresponding public key that the artifact was signed with.
This amounts to adding the public key to the list of `extra-trusted-public-keys` in your Nix configuration.

### Nix installed via Flox
### Add a new trusted key

#### Nix installed via Flox

If you installed Nix as part of your Flox installation, you need to create and/or edit your `$XDG_CONFIG_HOME/nix/nix.conf` file.
On most systems this will be `~/.config/nix/nix.conf`.
Expand All @@ -47,11 +49,11 @@ Add the following line, where `<key contents>` is the contents of the signing pu
extra-trusted-public-keys = <key contents>
```

### Existing Nix installation
#### Existing Nix installation

If you already have Nix installed, your instructions will look largely the same with the exception being that you can put this line in your `/etc/nix/nix.conf` instead if you so choose.

### NixOS, nix-darwin, or home-manager
#### NixOS, nix-darwin, or home-manager

For systems whose configuration is managed with Nix, you need to add the public key to the list of trusted public keys in your system configuration.
For NixOS, `nix-darwin`, and `home-manager` the configuration option is the same:
Expand All @@ -61,3 +63,19 @@ nix.settings.trusted-public-keys = [
"<key contents>"
];
```

### Restart the Nix daemon

In order for the newly trusted key to take effect, the Nix daemon needs to be restarted.
On Linux the daemon is managed via `systemd`, so you can restart it with the following command:

```bash
$ sudo systemctl restart nix-daemon
```

On macOS the Nix daemon is managed via `launchd`, so you can restart it with the following command (note that you have to run the command twice, this is not a typo):

```bash
sudo launctl kickstart -k system/org.nixos/nix-daemon
sudo launctl kickstart -k system/org.nixos/nix-daemon
```