qubes-doc/user/advanced-topics/qubes-service.md

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---
lang: en
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layout: doc
permalink: /doc/qubes-service/
redirect_from:
- /en/doc/qubes-service/
- /doc/QubesService/
- /wiki/QubesService/
ref: 138
title: Qubes Service
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---
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Usage documentation is in the `qvm-service` man page. There are also described predefined services.
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Under the hood, an enabled service in a VM is signaled by a file in `/var/run/qubes-service`.
This can be used to implement an almost enable/disable **per-VM** switch controlled by dom0.
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Adding support for systemd services is pretty simple. In the VM, create the following file (and directory, if needed): `/etc/systemd/system/<service name>.service.d/30_qubes.conf`. It should contain the following:
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~~~
[Unit]
ConditionPathExists=/var/run/qubes-service/<service name>
~~~
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This will cause the service to be started only when you enable it with `qvm-service` for this VM.