From: CentOS [mailto:centos-boun...@centos.org] On Behalf Of Walter H.
Sent: Sunday, February 4, 2018 9:03 AM
Subject: [CentOS] shutdown or poweroff?
> just a simple question, my router has CentOS 6 with the apcupsd running,
> in the log of
> apcupsd I see this:
> 2018-02-01 19:05:54 +0100 apcupsd 3.14.12 (29 March 2014) redhat
> startup succeeded
> 2018-02-04 15:52:43 +0100 Power failure.
> 2018-02-04 15:52:49 +0100 Running on UPS batteries.
> 2018-02-04 15:53:00 +0100 Reached remaining time percentage limit on
> 2018-02-04 15:53:00 +0100 Initiating system shutdown!
> 2018-02-04 15:53:00 +0100 User logins prohibited
> 2018-02-04 15:53:37 +0100 apcupsd exiting, signal 15
> 2018-02-04 15:53:37 +0100 apcupsd shutdown succeeded
> does this mean the shutdown was successfull?
> is there other log where I can verify this: because shutting down squid
> takes almost a minute or so ...
Things changed a bit from the sysv implementation (see
when systemd came into the picture as many naïve or hack approaches
were no longer necessary. It looks like the current packages drop the
needed scripts in /lib/systemd/system-shutdown (see
So now with the state file and that script, your UPS (if setup and possible)
will be signaled to interrupt power at a safe point once the daemon
Your next startup log will indicate if a dirty mount was discovered.
You should also check /etc/apcupsd/apcupsd.conf for the behavior
and time values, there aren't many options and the file is short.
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