[linux] UPS

[Branislav Vartik]

Matus Horvath wrote:

Subject: Re: [linux] USB
                     ^^^
To chcelo byt asi UPS, kolega sa hned potesil ze "Linux a USB?" :))
(Neviete o tejto teme niekto nieco?)

> Niekde v manualoch k init alebo kde som videl zmienku o tom, ze ak vypadne
> prud a je pripojena UPSka, Linux by mohol pekne nahodit shutdown povedzme za
> dve minuty, upozornit userov, a ak prud do tych dvoch minut nabehne, zase
> vsetko stornovat a ist dalej. To znie sexy, a kedze planujem taky mensi
> serverik, zaujimalo by ma:
> 
> 1. Funguje to, alebo to bola len zmienka o tom co by mohlo fungovat ked to
> niekto urobi?

Naozaj to funguje :)

> 2. Ak to funguje, aku UPSku na to potrebujem, aku pouzivate vy, aku
> odporucate, aku neodporucate? (je to mala firma, ide len o to, ked kopirka
> vyrazi poistky, aby sekretarka nemusela prepisovat tie dve strany co prave
> doklepala:)

Napis na felcer na felcer.sk oni bezia Linux na jednej UPS, kedze uz presli
stadiom vyberu najvhodnejsej UPS.

> 3. Ak to funguje, kde najdem nejake info a utility ktore na to potrebujem?

Moj /etc/inittab je samohovoriaci :)

-----8<---cut-here-------

# When our UPS tells us power has failed, assume we have a few minutes
# of power left.  Schedule a shutdown for 2 minutes from now.
# This does, of course, assume you have powerd installed and your
# UPS connected and working correctly.  
pf::powerfail:/sbin/shutdown -f -h +2 "Power Failure; System Shutting
Down"

# If power was restored before the shutdown kicked in, cancel it.
pr:12345:powerokwait:/sbin/shutdown -c "Power Restored; Shutdown
Cancelled"

-----8<---cut-here-------

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Branislav Vartik
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