20.02.2018 00:29, st...@goodey.org пишет: > Hello, > > Sorry if this question is a bit basic for a devel list, I tried asking it in > a ubuntu forum but > didn't get any views, let alone replies. > > I have a PC running Mythbuntu which has an LCD which I had a bit of a > struggle getting > going under systemd. However using Type=forking it is now working fine. > However > reading the man page for systemd.service is says that it is recommended to > use PIDFile. I > have tried adding PIDFile=/run/LCDd.pid but this causes an error message:- > > LCDd.service - LCDd > Loaded: loaded (/etc/systemd/system/LCDd.service; enabled; vendor preset: > enabled) > Active: activating (start) since Tue 2018-02-13 09:49:03 GMT; 1min 8s ago > Process: 2485 ExecStart=/usr/sbin/LCDd -c /home/steve/lcd/LCDd.conf > (code=exited, > status=0/SUCCESS) > CGroup: /system.slice/LCDd.service > └─2487 /usr/sbin/LCDd -c /home/steve/lcd/LCDd.conf > > Feb 13 09:49:03 mythbuntu systemd[1]: Starting LCDd... > Feb 13 09:49:03 mythbuntu systemd[1]: LCDd.service: PID file /run/LCDd.pid > not readable > (yet?) after start: No such file or directory > steve@mythbuntu:~$ > > Removing the line PIDFile=/run/LCDd.pid in LCDd.service and all is good. > I have tried creating LCDd.pid in /run with root:root but get the same. How > is the pid file > generated?
It is expected to be written by your service binary. Ideally it should do it only after it has completed initialization and is ready to provide services. > Am I right in thinking that LCDd is so old that it hasn't been written with > systemd > in mind so does not support PIDFile? > PID files predate systemd. _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/systemd-devel
