Thank you for your reply. You are correct and the ups is present there but the battery charger can no longer bear power cuts more than two hours so I need some means to distinguish frequent power cuts there among the system logs. On Sun, Oct 30, 2016 at 12:02 AM, Eero Volotinen <eero.volotinen at iki.fi> wrote: > you could use smart ups and connect information from it to system, so it > can shutdown system in clean way. > > Eero > > 2016-10-30 7:12 GMT+02:00 Hadi Motamedi <motamedi24 at gmail.com>: > > > Dear All > > I am using a centos server for cdr billing and mediation device on a > remote > > network. I am experiencing problem that I am suspicious it comes from > main > > supply power cut at the remote site. The power supply to the remote site > > comes from battery charger that will be automatically switched in circuit > > under main supply power cut but cannot provide adequate power for more > than > > 2 hours . I am suspicious that the remote system is suffering from many > > frequent main supply power cut . Can you please do me favor and let me > know > > if there is any log on my centos server that I can check to see if there > > would be many frequent power cut there ? > > Thank you for your time > > _______________________________________________ > > CentOS mailing list > > CentOS at centos.org > > https://lists.centos.org/mailman/listinfo/centos > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos >