Systemd/User Services: Difference between revisions
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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 | ||
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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 | ||
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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. | 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. | ||
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Here is an example: | Here is an example: | ||
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systemd.user.services.my-cool-user-service = { | systemd.user.services.my-cool-user-service = { | ||
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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 {{ic|<nowiki>wantedBy = [ "default.target" ]</nowiki>}} in the example. | 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 {{ic|<nowiki>wantedBy = [ "default.target" ]</nowiki>}} in the example. | ||
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== Keeping user services running after logout == | == Keeping user services running after logout == <!--T:7--> | ||
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If you need a user service to stay running after a user logs out, you need to enable "[https://search.nixos.org/options?channel=unstable&show=users.users.%3Cname%3E.linger&from=0&size=50&sort=relevance&type=packages&query=users.users.%3Cname%3E.linger lingering]" by setting {{ic|<nowiki>users.users.<username>.linger = true;</nowiki>}} | If you need a user service to stay running after a user logs out, you need to enable "[https://search.nixos.org/options?channel=unstable&show=users.users.%3Cname%3E.linger&from=0&size=50&sort=relevance&type=packages&query=users.users.%3Cname%3E.linger lingering]" by setting {{ic|<nowiki>users.users.<username>.linger = true;</nowiki>}} | ||
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You'll also likely want to change to {{ic|<nowiki>wantedBy = [ "multi-user.target" ];</nowiki>}} so the service starts at boot time. | You'll also likely want to change to {{ic|<nowiki>wantedBy = [ "multi-user.target" ];</nowiki>}} so the service starts at boot time. | ||
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[[Category:systemd]] | [[Category:systemd]] | ||