Thank you very much for your help. I have received plentiful helpful messages . Please consider this case as solved. Thank you again On Sun, Oct 30, 2016 at 12:47 AM, Ned Slider <ned@xxxxxxxxxxxxxx> wrote: > On 30/10/16 07:11, Hadi Motamedi wrote: > >> But the site is far remote and having alert on battery exhaustion can no >> longer help . As I said before , I am suspicious if it comes from frequent >> power cuts so seeking some means to distinguish it among the system logs. >> Thank you in advance >> >> >> > Your UPS should be capable of logging to /var/log/messages and should also > be capable of powering down the system cleanly when the battery reaches a > predetermined critical level (either run time remaining or percentage > charge), so there shouldn't be any uninitiated shutdowns. The UPS logs > should tell you exactly how many power outages you are getting together > with how long each one lasts. It sounds like you haven't configured your > UPS. > > > > > > > > _______________________________________________ > CentOS mailing list > CentOS@xxxxxxxxxx > https://lists.centos.org/mailman/listinfo/centos > _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx https://lists.centos.org/mailman/listinfo/centos