Oct 17 12:45:01 server1 cron[1134]: (CRON) error (can't fork)
Oct 17 12:25:34 server1 nrpe[28443]: Second fork() failed with error 11, bailing out..
Oct 17 12:27:14 server1 nrpe[1157]: fork() failed with error 11, bailing out...
Oct 17 12:27:14 server1 systemd[1]: nagios-nrpe-server.service: Main process exited, code=exited, status=2/INVALIDARGUMENT
Oct 17 12:27:14 server1 systemd[1]: nagios-nrpe-server.service: Failed to fork: Resource temporarily unavailable
Oct 17 12:27:14 server1 systemd[1]: nagios-nrpe-server.service: Failed to run 'stop-post' task: Resource temporarily unavailable
Oct 17 12:27:14 server1 systemd[1]: nagios-nrpe-server.service: Failed with result 'exit-code'.
Oct 17 12:27:14 server1 systemd[1]: Failed to nuke /tmp/systemd-private-6aed04c141554a02a7a76f1b0000cab1-nagios-nrpe-server.service-20Ue5u: Resource temporarily unavailable
Oct 17 12:27:14 server1 systemd[1]: Failed to nuke /var/tmp/systemd-private-6aed04c141554a02a7a76f1b0000cab1-nagios-nrpe-server.service-8RBoYE: Resource temporarily unavailable
Oct 17 12:27:14 server1 systemd-udevd[755]: fork of child failed: Resource temporarily unavailable