I have a question about systemd services dependencies and ordering. I have a service a.service that wants and must be started before a service b.service. The target multi-user.target wants the service a.service but NOT b.service. How can I be sure b.service is started once the target is reached ?
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In your
systemdunit file, within the[Unit]directive you can haveAfter=. For example, I have a Node.js script set to run. It needs networking, so the first few lines would look like:This means it will only run after
network.targetandauditd.service. For your case, you could try to putAfter=a.servicein your unit file forb.service.Edit: See this answer for more information on
After=vsRequire=