CentOS7时区设置timedatectl

[root@testandy ~]# timedatectl --hel

timedatectl [OPTIONS...] COMMAND ...

Query or change system time and date settings.

-h --help Show this help message

--version Show package versio

--no-pager Do not pipe output into a pager

--no-ask-password Do not prompt for password

-H --host=[USER@]HOST Operate on remote host

-M --machine=CONTAINER Operate on local container

--adjust-system-clock Adjust system clock when changing local RTC mode

Commands:

tatus Show current time setting

et-time TIME Set system time

et-timezone ZONE Set system time zone

list-timezones Show known time zone

et-local-rtc BOOL Control whether RTC is in local time

et-ntp BOOL Control whether NTP is enabled

设置时区同样, 在 CentOS 7 中, 引入了一个叫 timedatectl 的设置设置程序.

用法很简单:

timedatectl # 查看系统时间方面的各种状态

$timedatectl status
Local time: 四 2014-12-25 10:52:10 CST
Universal time: 四 2014-12-25 02:52:10 UTC
RTC time: 四 2014-12-25 02:52:10
Timezone: Asia/Shanghai (CST, +0800)
NTP enabled: yes
NTP synchronized: yes
RTC in local TZ: no
DST active: n/a

timedatectl list-timezones # 列出所有时区
timedatectl set-local-rtc 1 # 将硬件时钟调整为与本地时钟一致, 0 为设置为 UTC 时间
timedatectl set-timezone Asia/Shanghai # 设置系统时区为上海

其实不考虑各个发行版的差异化, 从更底层出发的话, 修改时间时区比想象中要简单:

cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime