[Gllug] UPS & line filtering

[Martin A. Brooks]

Alain Williams wrote:
> What UPS would you use for protection against this sort of problem ?
> It would be nice if it could talk to the Linux server so that it would
> power off if the supply didn't come back after, say, 1 minute.
>   

There are two types of UPS, online and offline.  Offline ones are 
cheaper and I suspect you could probably get away with using one here.  
Choose anything made by APC.

APC units come with a special serial cable that you can hook between the 
computer and the UPS, then all you need is "apt-get install apcupsd", 
tweak the config files, and away you go.

> I notice that shops have power cable extensions (gang of 6 blocks) that claim
> to protect against spikes - any one any experience/knowledge of these ?
>   

They basically work.  But by  "protect" they usually mean "cut the power 
faster than a conventional fuse would".

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