【CentOS】localtime

[[email protected] etc]# ls -al localtime*

lrwxrwxrwx. 1 root root 38 11月 26 03:32 localtime -> ../usr/share/zoneinfo/America/New_York

[[email protected] etc]# date

2016年 03月 12日 星期六 00:00:57 EST

[[email protected] etc]#

////// ln -s ../usr/share/zoneinfo/Asia/Shanghai localtime

[[email protected] etc]# rm -rf localtime

[[email protected] etc]# ls -s ../usr/share/zoneinfo/A

Africa/     Antarctica/ Asia/       Australia/

America/    Arctic/     Atlantic/

[[email protected] etc]# ls -s ../usr/share/zoneinfo/A

Africa/     Antarctica/ Asia/       Australia/

America/    Arctic/     Atlantic/

[[email protected] etc]# ls -s ../usr/share/zoneinfo/Asia/Shanghai localtime

ls: 无法访问localtime: 没有那个文件或目录

4 ../usr/share/zoneinfo/Asia/Shanghai

[[email protected] etc]# ln -s ../usr/share/zoneinfo/Asia/Shanghai localtime

[[email protected] etc]# ls -al localtime*                                           lrwxrwxrwx. 1 root root 35 3月  12 13:02 localtime -> ../usr/share/zoneinfo/Asia/Shanghai

[[email protected] etc]#

[[email protected] sysconfig]# timedatectl

Local time: 六 2016-03-12 05:10:37 UTC

Universal time: 六 2016-03-12 05:10:37 UTC

RTC time: 六 2016-03-12 05:10:37

Time zone: Asia/Shanghai (UTC, +0000)

NTP enabled: yes

NTP synchronized: yes

RTC in local TZ: no

DST active: n/a

[[email protected] sysconfig]#

timedatectl set-timezone Asia/Shanghai

[[email protected] sysconfig]# timedatectl --help

timedatectl [OPTIONS...] COMMAND ...

Query or change system time and date settings.

-h --help                Show this help message

--version             Show package version

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

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

-H --host=[[email protected]]HOST    Operate on remote host

-M --machine=CONTAINER   Operate on local container

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

Commands:

status                   Show current time settings

set-time TIME            Set system time

set-timezone ZONE        Set system time zone

list-timezones           Show known time zones

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

set-ntp BOOL             Control whether NTP is enabled

[[email protected] sysconfig]#