Systemd/User Services/en: Difference between revisions

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{{Systemd/breadcrumb}}
Systemd supports running a separate instance of systemd for a given user, allowing the user to control their own services. See here for more information: https://wiki.archlinux.org/title/Systemd/User
Systemd supports running a separate instance of systemd for a given user, allowing the user to control their own services. See here for more information: https://wiki.archlinux.org/title/Systemd/User
In NixOS, a user service can be expressed with {{ic|systemd.user.services.<name>}}, as documented here: https://search.nixos.org/options?query=systemd.user.services
In NixOS, a user service can be expressed with {{ic|systemd.user.services.<name>}}, as documented here: https://search.nixos.org/options?query=systemd.user.services

Latest revision as of 08:29, 8 August 2024

Systemd supports running a separate instance of systemd for a given user, allowing the user to control their own services. See here for more information: https://wiki.archlinux.org/title/Systemd/User In NixOS, a user service can be expressed with systemd.user.services.<name>, as documented here: https://search.nixos.org/options?query=systemd.user.services This may be useful if you want a user to be able to start, stop, and restart their own instance of a service without needing to make the user a sudoer. Here is an example:

systemd.user.services.my-cool-user-service = {
  enable = true;
  after = [ "network.target" ];
  wantedBy = [ "default.target" ];
  description = "My Cool User Service";
  serviceConfig = {
      Type = "simple";
      ExecStart = ''/my/cool/user/service'';
  };
};

By default, user services will be stopped when the user logs out and will start again when the user logs back in due to us setting wantedBy = [ "default.target" ] in the example.

Keeping user services running after logout

If you need a user service to stay running after a user logs out, you need to enable "lingering" by setting users.users.<username>.linger = true; You'll also likely want to change to wantedBy = [ "multi-user.target" ]; so the service starts at boot time.