系统环境:CentOS 7.6
timedatectl 带ctl的是CentOS7新增的一个功能集合的控制工具。
相比较date命令,增加了NTP功能是否开启,NTP同步状态的展示。
##时间控制命令
[root@test ~]# timedatectl
Local time: Mon 2020-04-20 18:16:35 EDT
Universal time: Mon 2020-04-20 22:16:35 UTC
RTC time: Mon 2020-04-20 22:16:35
Time zone: America/New_York (EDT, -0400)
NTP enabled: yes
NTP synchronized: no
RTC in local TZ: no
DST active: yes
Last DST change: DST began at
Sun 2020-03-08 01:59:59 EST
Sun 2020-03-08 03:00:00 EDT
Next DST change: DST ends (the clock jumps one hour backwards) at
Sun 2020-11-01 01:59:59 EDT
Sun 2020-11-01 01:00:00 EST
##参数设置
set-timezone ZONE Set system time zone
list-timezones Show known time zones //列出时区列表,或/usr/share/zoneinfo/zone.tab查看
set-ntp BOOL Control whether NTP is enabled //"0"关闭,"1"开启
[root@test ~]#