In this exercise, you will troubleshoot and resolve service errors upon start of the `pmcd` service.
*This course is not approved or sponsored by Red Hat.*
Learning Objectives
Successfully complete this lab by achieving the following learning objectives:
- Resolve the startup issue with pmcd.
Attempt to start the
pmcdservice:systemctl start pmcdIf the service fails to start, take a look at the details:
systemctl status -l pmcdNote the "Drop-In" file
/etc/systemd/system/pmcd.service.d/dependency.conf.View the contents of this file and note any directives referencing other services:
cat /etc/systemd/system/pmcd.service.d/dependency.confAttempt to start the
pmloggerservice:systemctl start pmloggerIf the service won’t start, perform the same exercise as above with
pmcd.Resolve the cyclical dependency by modifying the
pmcddrop-in file fromAfter=pmlogger.servicetoBefore=pmlogger.service.Start the
pmcdservice.- Configure pmcd to start by default.
Enable
pmcdto startup upon reboot:systemctl enable pmcd
