20210719 (월) time zone 변경

[root@compute1 ~]# timedatectl
      Local time: Sun 2021-07-18 20:41:06 EDT
  Universal time: Mon 2021-07-19 00:41:06 UTC
        RTC time: Mon 2021-07-19 00:41:04
       Time zone: America/New_York (EDT, -0400)
     NTP enabled: yes
NTP synchronized: yes
 RTC in local TZ: no
      DST active: yes
 Last DST change: DST began at
                  Sun 2021-03-14 01:59:59 EST
                  Sun 2021-03-14 03:00:00 EDT
 Next DST change: DST ends (the clock jumps one hour backwards) at
                  Sun 2021-11-07 01:59:59 EDT
                  Sun 2021-11-07 01:00:00 EST
[root@compute1 ~]# timedatectl list-timezones |grep Seoul
Asia/Seoul
[root@compute1 ~]# timedatectl set-time
set-time      set-timezone
[root@compute1 ~]# timedatectl set-timezone Asia/Seoul
[root@compute1 ~]# date
Mon Jul 19 09:41:29 KST 2021

[root@compute1 ~]# timedatectl
      Local time: Mon 2021-07-19 09:42:46 KST
  Universal time: Mon 2021-07-19 00:42:46 UTC
        RTC time: Mon 2021-07-19 00:42:44
       Time zone: Asia/Seoul (KST, +0900)
     NTP enabled: yes
NTP synchronized: yes
 RTC in local TZ: no
      DST active: n/a

 

ntp패키지는 없는 상태여도 timedatectl 로 변경 가능.