Embedded Files
Time Sync
Time Sync
To check which time synchronization service you have configured...
if systemctl is-active --quiet chronyd
then
echo "chronyd"
chronyc sources -v
elif systemctl is-active --quiet systemd-timesyncd
then
echo "systemd-timesyncd"
timedatectl show-timesync --all
elif systemctl is-active --quiet ntpd
then
echo "ntpd"
ntpq -p
else
echo "No time sync service detected."
fi
Showing Date/Time
Showing Date/Time
date
Timezone Info
Timezone Info
Linux
Linux
cat /etc/sysconfig/clock
Valid timezone settings...
ls -l /usr/share/zoneinfo
Change...
timedatectl set-timezone Europe/London
Solaris (11+)
Solaris (11+)
Valid timezone settings...
ls -l /usr/share/lib/zoneinfo
Change...
svccfg -s timezone:default setprop timezone/localtime= astring: <timezone>
svcadm refresh timezone:default
HP-UX
HP-UX
cat /etc/default/tz
Valid timezone settings...
ls -l /usr/lib/tztab
Change...
set_parms timezone
timedatectl
[Linux]timedatectl
timedatectl status
Local time: Thu 2020-09-17 13:47:41 BST Universal time: Thu 2020-09-17 12:47:41 UTC RTC time: Thu 2020-09-17 12:47:41 Time zone: Europe/London (BST, +0100) System clock synchronized: yessystemd-timesyncd.service active: yes RTC in local TZ: no
Set Timezone...
timedatectl set-timezone Europe/London
timeconfig
[Linux] /usr/sbin/timeconfigtimeconfig
TODO
cal/ncal
cal/ncal
An oft forgotten command available by default in most variants of UNIX and Linux...
ncal -3 -w -b
cal
Bibliography
Bibliography
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