rtcwake

linux

Enter a system sleep state until specified wakeup time relative to your BIOS clock.

Options (3)

-m, --modeboolean

Show whether an alarm is set or not

Example: sudo rtcwake {{[-m|--mode]}} show {{[-v|--verbose]}}

-v, --verboseboolean

Show whether an alarm is set or not

Example: sudo rtcwake {{[-m|--mode]}} show {{[-v|--verbose]}}

-s, --secondsboolean

Suspend to RAM and wakeup after 10 seconds

Example: sudo rtcwake {{[-m|--mode]}} mem {{[-s|--seconds]}} {{10}}

Show whether an alarm is set or not

sudo rtcwake [-m|--mode] show [-v|--verbose]

Suspend to RAM and wakeup after 10 seconds

sudo rtcwake [-m|--mode] mem [-s|--seconds] 10

Suspend to disk (higher power saving) and wakeup 15 minutes later

sudo rtcwake [-m|--mode] disk --date +15min

Freeze the system (more efficient than suspend-to-RAM but version 3.9 or newer of the Linux kernel is required) and wakeup at a given date and time

sudo rtcwake [-m|--mode] freeze --date YYYYMMDDhhmm

Disable a previously set alarm

sudo rtcwake [-m|--mode] disable

Perform a dry run to wakeup the computer at a given time. (Press `<Ctrl c>` to abort)

sudo rtcwake [-m|--mode] on --date hh:ss