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Re: Power Cut

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Thank you very much for your reply . I got the point and it seems that the
/var/log/messages are more handy .
Thank you again for your time


On Sun, Oct 30, 2016 at 12:36 AM, Gene Heskett <gheskett@shentel.net> wrote:

> On Sunday 30 October 2016 02:37:28 Hadi Motamedi wrote:
>
> > Dear All
> > I am using a debian 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 debian server that I can check to see if there would be many
> > frequent power cut there ?
> > Thank you for your time
>
> Likely the only log will be /var/log/messages, which will show the reboot
> time when power has been restored, IF the server is set to auto-boot
> when power is restored. That should show when it restarted but may not
> log the power failure because it doesn't have time to write the log.
> So you can get your restart times, but not the fail time.
>
> Is that "battery charger" smart enough to be interfaced with nut?
>
> Thats short for Network UPS Tools, which can monitor and log such
> activities, and even issue a clean shutdown to the whole system running
> on this emergency power when the battery is nearly depleted. I'd also
> see if natural gas is available at the site, so that a generator can be
> started when the main power fails.
>
> Going whole house and all my toys I have a 20 Kwh Generac here that
> starts automatically, so I have power back up in about 5 seconds, but
> that was in the $7000 range installed.  The wife has copd, and long
> periods w/o the AC are very hard on her, so I did what I had to do.
> This machine has a UPS, but most of the others here are set to
> auto-reboot when power is restored.
>
> Enterprising individuals can likely setup much smaller emergency/standby
> power since all it would take in a pi or arduino and some programming to
> send the start and stop commands if it had an electric starter and
> kill.  You will need a "transfer" switch which must absolutely prevent
> any locally generated power from feeding out into a failed power line as
> that might kill someone trying to restore the power some distance away
> from your site.
>
> Here in the states, kohler, generac, & a dozen house brands peddle
> smaller such generators, but are not always proportionately priced. Most
> of the teeny ones are 2 strokers, needing mixed fuel, don't have
> electric starters and in my experience are run 3 or 4 times junk so you
> wasted that $300. I suspect you are not in the "states" so I don't have
> a good idea what may be locally available for you.
>
> Just throwing out ideas to see if anything "sticks to the wall" :)
>
> Cheers, Gene Heskett
> --
> "There are four boxes to be used in defense of liberty:
>  soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> Genes Web page <http://geneslinuxbox.net:6309/gene>
>
>

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Thread

Power Cut Hadi Motamedi <motamedi24@gmail.com> - 2016-10-30 07:40 +0100
  Re: Power Cut Gene Heskett <gheskett@shentel.net> - 2016-10-30 08:40 +0100
    Re: Power Cut Hadi Motamedi <motamedi24@gmail.com> - 2016-10-30 08:50 +0100
    Re: Power Cut Lisi Reisz <lisi.reisz@gmail.com> - 2016-10-30 13:10 +0100
      Re: Power Cut Gene Heskett <gheskett@shentel.net> - 2016-10-30 14:30 +0100
  Re: Power Cut Andre Majorel <aym-naibed@teaser.fr> - 2016-10-30 10:10 +0100
    Re: Power Cut Reco <recoverym4n@gmail.com> - 2016-10-30 10:30 +0100
      Re: Power Cut Andre Majorel <aym-naibed@teaser.fr> - 2016-10-31 08:50 +0100

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