This is the complaint I get from systemd:
"opendkim.service: Can't open PID file /var/run/opendkim/opendkim.pid" As seen here:
systemctl status opendkim.service puts out this:
● opendkim.service - OpenDKIM DomainKeys Identified Mail (DKIM) Milter Loaded: loaded (/lib/systemd/system/opendkim.service; enabled; vendor preset: enabled) Active: deactivating (stop-sigterm) (Result: timeout) Docs: man:opendkim(8) man:opendkim.conf(5) man:opendkim-genkey(8) man:opendkim-genzone(8) man:opendkim-testadsp(8) man:opendkim-testkey Process: 8217 ExecStart=/usr/sbin/opendkim -x /etc/opendkim.conf (code=exited, status=0/SUCCESS) Tasks: 6 (limit: 2361) CGroup: / └─8226 /usr/sbin/opendkim -x /etc/opendkim.conf Feb 11 04:56:48 hacksaw.org systemd[1]: Starting OpenDKIM DomainKeys Identified Mail (DKIM) Milter... Feb 11 04:56:48 hacksaw.org systemd[1]: opendkim.service: Can't open PID file /var/run/opendkim/opendkim.pid (yet?) after start: No such file or directory Feb 11 04:56:48 hacksaw.org opendkim[8226]: OpenDKIM Filter v2.11.0 starting (args: -x /etc/opendkim.conf) Feb 11 04:58:18 hacksaw.org systemd[1]: opendkim.service: Start operation timed out. Terminating. If I start the daemon by hand, it goes. This seems to be about systemd.
Other data:
#ls -ld /var/run/opendkim/ drwxr-xr-x 2 opendkim opendkim 40 Feb 11 04:25 /var/run/opendkim/ The only line on the opendkim.conf:
UserID opendkim:opendkim The default opendkim service file, from /lib/systemd/service:
[Unit] Description=OpenDKIM DomainKeys Identified Mail (DKIM) Milter Documentation=man:opendkim(8) man:opendkim.conf(5) man:opendkim-genkey(8) man:opendkim-genzone(8) man:opendkim-testadsp(8) man:opendkim-testkey After=network.target nss-lookup.target [Service] Type=forking PIDFile=/var/run/opendkim/opendkim.pid UMask=0007 ExecStart=/usr/sbin/opendkim -x /etc/opendkim.conf Restart=on-failure ExecReload=/bin/kill -USR1 $MAINPID [Install] WantedBy=multi-user.target 6 Answers
I fixed it by specifying the PidFile in the /etc/opendkim.conf file:
PidFile /var/run/opendkim/opendkim.pid I think it's better to solve it here than modifying the systemd script. Also, systemd recommends the PIDFile option if the Type option is set to forking, which it seems to be in this service.
This PidFile setting was present in the default /etc/opendkim.conf file. However, I replaced that file while I was following a tutorial for configuring OpenDKIM. So that is where it went wrong for me.
Since this daemon runs alone, systemd doesn't need anything special to manage it. Importantly, having a "PIDFile" directive suggests that it's a more complicated service, and will put a PID into the PIDFile on it's own.
The solution is to remove the PIDFile line. Now systemd handles it just fine.
2In my case was due to the fact that /var/run was a symlink to /run. After changing the PIDFile path from /var/run/opendkim/opendkim.pid in /run/opendkim/opendkim.pid in opendkim.service, the problem went away.
Editing this file here does it for me.
/usr/lib/systemd/system/opendkim.service by changing PidFile /var/run/opendkim/opendkim.pid to
PidFile /run/opendkim/opendkim.pid my platform is centos 7
I fixed this issue by editing the systemctl file like this:
nano /etc/systemd/system/ [Service] PIDFile=/var/run/opendkim/opendkim.pid ExecStartPost=/bin/sh -c 'chown opendkim:opendkim /var/run/opendkim/opendkim.pid' It will set the correct permission for the opendkim.pid file before starting the service. This is the reason why opendkim said "No such file or directory". The file is not available for the opendkim service.
I solve this problem just by creating opendkim folder in /var/run/ and chowned it to opendkim:opendkim. After that the service started correctly and created its pid-file.
