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nitrogen posted:I edit passwd file by hand Does that include vipw? Because I use that to edit passwd daily....
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Oct 4, 2013 21:23
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Inspector_666 posted:Shouldn't any UPS worth using in a server room clean up the incoming power? No. There are three types of UPSes. * Offline/standby -- cheapo UPSes that only activate when the power goes out * Line-interactive -- better, probably says SINE WAVE! on the box and promises to handle under and over volt scenarios. Basically an Offline UPS with a voltage regulator slapped in there for good measure. I see lots of these in server rooms / racks. * Online/double-conversion -- power is always coming from the batteries, is always clean, is always sine wave, is always the right voltage. These are expensive. They do make smaller ones which you can find at a reasonable price, but usually they're the big boys providing UPS power for whole datacenters, etc. They do make the batteries last longer though, which can lower the cost in the long run. APC makes some suitable for server rooms, but I don't know which models are true Online UPSes off the top of my head. feld fucked around with this message at 15:31 on Dec 3, 2013 |
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Dec 3, 2013 15:29
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