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Can a Ubuntu (or any other distro) wake up from standby/hibernate at a preset time?
I actually don't want the PC to consume 200W all the time for just doing something every hour.
thevikas
Posted 2010-12-03T03:49:58.757
Reputation: 331
auto resume from standby
Answers
2
rtcwake is a standard Linux command that enters a standby or sleep state until the specified time. It depends on BIOS support; most current PCs do support it. You can specify either a sleep duration (in seconds) or a wake up date (in seconds since the epoch, as produced by date +%s).
rtcwake -s 3600
rtcwake -t $(date +%s 'now + 1 hour')
Gilles 'SO- stop being evil'
Posted 2010-12-03T03:49:58.757
Reputation: 58 319
I tried on my compaq and it never even went to speed after the command. My Asus/AMD desktop did go to sleep instantly using " -s 60" but never woke up. – thevikas – 2010-12-04T05:00:04.387