timedatectl

Question 1

timedatectl

Answer 1

Displays the system clock, UTC, and timezone information.

Question 2

timedatectl

–no-pager

–no-ask-password

• H, –host=[USER@]HOST
• M, –machine=CONTAINER

Answer 2

–adjust-system-clock, Adjust system clock when changing local RTC mode.

–monitor, mOnitor status of systemd-timesyncd.

• p, –property=NAME, Show only properties by this name.
• a, –all, Show all properties, including empty.

–value, When showing properties, only print value.

Question 3

timedatectl [COMMANDS]

status, Show current time settings.

show, Show properties of systemd-timedated.

set-time TIME, Set system time.

set-timezone ZONE, Set system time zone.

list-timezones, Show known time zones.

Answer 3

set-local-rtc BOOL, Control whether RTC is in local time.

set-ntp BOOL, Enable or disable network time synchronization.

systemd-timesyncd [COMMANDS]

timesync-status, Show status of systemd-timesyncd.

shwo-timesync, Show properties of systemd-timesyncd.