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
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