Remote Power Up

[yosepht]

I have a server set up on a PC that I use for video surveillance. I have a UPS
backup power that lasts long enough to do a graceful shutdown when commercial
power goes out. Is there a way to turn the PC back on remotely without having to
be there physically? If for example I can log in remotely via Putty and do a shutdown
and halt my system; is there a hardware or a software method to power up the PC
remotely so that the surveillance can resume?
Thanks Yoseph.

[nmset]

1. You could tune the BIOS so that the PC wakes up when power is restored. This option does not exist in all BIOSes.

2. You could use wake-on-lan features of you NIC. To set the NIC in such a mode :

ethtool -s ethx wol g

where ethx is the interface on which you will try to wake the server (eth0, eth1...).
Remotely, you'll have to install the wakeonlan utility from you software repositories. If it is not available in Ubuntu repos, you'll have to compile it.

wakeonlan server_mac_address

This will work on a LAN, not over the internet.

[zombykillah]

I would install an router with openwrt ... as router or not ... doesn't matter.

This router should be before the UPS so it turns off when the power fails.
And then you just need to run wakeonlan at startup or with cron.

You may wanna add a something which turns the router off when it isn't needed.
So it only runs 10min after power failure.

[gsmg]

In server room and on remote equipment we use (we internet provider) such device Elgato GSM-rebooter for 6 outlets (220 V). Can control it by SMS or GSM-calling. Every outlet controlled separately On/Off/Reset (Off and after pause - On) + temperature sensor with alarm by SMS, SMS-messages about Power loss and so on.. Usefull stuff! Save time on driving to other part of city for switch reset.