ntpd: switch service type from forking to simple #712
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Type=forking means systemd waits untill the main process, /usr/sbin/ntpd in this case, has exited. However, the ntpd daemon does not seem to call fork() or vfork() and runs endlessly untill killed. Eventually, this causes systemd to trigger a timeout, and the ntpd service is killed. All the while, "systemctl status ntpd" shows "activating (start)" instead of "active (running)". This is fixed by switching Type=forking to Type=simple.
Reading ntpd(8) shows that the "-n" option requests ntpd not to fork, so also use that to be safe.
Finally, there is no need anymore to keep a pidfile around.