Am 12.05.2016 um 09:17 schrieb liuxueping:
Hi: It failed when i restarted ntpd service,the log showed:ntpd[3163]: unable to bind to wildcard address 0.0.0.0 - another process may be running - EXITING,and the ps command result showed: ntp 3993 0.0 0.0 0 0 ? Ds 10:21 0:00 [ntpd] root 3995 0.0 0.0 0 0 ? Z 10:21 0:00 [ntpd] <defunct> Maybe it failed because a ntpd process was still in system when started a new ntpd service.If so, how does systemctl judge that a process is over and start a new process?
most likely the running one was not started by ntpd.service and hence is also not killed by systemctl - systemd is not a blind butcher like shell-scripts - it *knows* which processes are part of a service/service-group
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