RTCWAKE(8) RTCWAKE(8) rtcwake - . rtcwake [] [-d ] [-m _] {-s |-t _t} . Linux . , . , , apmsleep , ACPI S1 () S3 ( '). BIOS, APM ACPI. nvram-wakeup, , ACPI S4 ( ). . , ; 24 . . , USB, Enter. rtcwake , . -A, --adjfile . -a, --auto (, ) adjtime, hwclock(8) . . --date - . - : +-------------------------------------------+-----------------------------------+ | | | +-------------------------------------------+-----------------------------------+ |-- | | |:: | | +-------------------------------------------+-----------------------------------+ |-- : | ( | | | | | | | | | 00) | +-------------------------------------------+-----------------------------------+ |-- | ( | | | | | | | | | 00:00:00) | +-------------------------------------------+-----------------------------------+ |:: | ( | | | | | | | | | ) | +-------------------------------------------+-----------------------------------+ |: | ( | | | | | | | | | , | | | - 00) | +-------------------------------------------+-----------------------------------+ |tomorrow | ( | | | | | | | | | 00:00:00) | +-------------------------------------------+-----------------------------------+ |+5min | | +-------------------------------------------+-----------------------------------+ -d, --device rtc0, . , . rtc1, rtc2... -l, --local , , adjtime. --list-modes --mode. -m, --mode . : standby S1 ACPI. , , , . . freeze , , . , - , , ', . ( Linux 3.9.) mem S3 ACPI ( '). , , ', , . disk S4 ACPI ( ). , , . ', ' . off S5 ACPI (). <>. ACPI , , , . no , . on , , . . disable . show : <>>>. ctime(). : <>. -n, --dry-run , , . -s, --seconds , . -t, --time _t _t. _t 1970-01-01, 00:00 UTC. date(1) _t. -u, --utc , UTC ( ), adjtime. -v, --verbose . -h, --help . -V, --version . , ' , mem, , . , . /etc/adjtime LKML , ' Linux 2.6 GIT 87ac84f42a7a580d0dd72ae31d6a5eb4bfe04c6d. David Brownell , Bernhard Walle . . GNU . , . adjtime_config(5), hwclock(8), date(1) rtcwake util-linux, Linux . util-linux 2.41 2025-03-29 RTCWAKE(8)