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I'm running mariadb as a different user than the standard mysql. To this end, I've updated the service file and replaced

User=mysql
Group=mysql

with

User=someuser
Group=somegroup

This used to work fine, but after a recent re-install I'm unable to get MariaDB running. Every time it loads it complains it doesn't have permission to access the files which someuser clearly does.

System: Fedora 22, MariaDB 10.0

Anyone have any idea how I can check if systemd is really running the service as the correct user?

thanks, Michael

Michael Clerx
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    How are you verifying that `someuser` does have permissions to access those files? Is SELinux running? Are there additional ACLs on the files that might be getting in the way? Though there are probably better ways, one way you could check the user would be to replace ExecStart with a script that logs its euid etc. – Eric Renouf Mar 22 '16 at 12:14
  • I'm simply becoming that user and checking manually. Will check selinux, thanks – Michael Clerx Mar 22 '16 at 12:16
  • selinux was getting in the way. Fixed now. Thanks!!! – Michael Clerx Mar 22 '16 at 12:20
  • @MichaelClerx Can you post that, with as much detail as you can, as an answer? – mattdm Mar 22 '16 at 16:03
  • @mattdm sure! I was waiting for Eric Renouf to do it so I could accept his answer :-) – Michael Clerx Mar 22 '16 at 20:28

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Following a hint from Eric Renouf I checked my selinux settings. It turns out I always have it disabled and had forgot to disable it after reinstalling.

Disabling selinux made the issue go away.

Michael Clerx
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  • You can all shoot me now for disabling selinux :-D It's a single-user workstation with all the server ports closed, so I don't need the added complications. – Michael Clerx Mar 22 '16 at 20:27