第 5 章区域设置-白红宇

5.1. 时区设置 CentOS 6

5.1.1. 查看当前时区 /etc/sysconfig/clock

5.1.2. tzselect - select a timezone

5.1.3. 时区设置 CentOS 7

5.1.4. 修改时区并立即生效

5.2. 日期、时间

5.2.1. rdate - get the time via the network

5.3. 语言

5.1. 时区设置 CentOS 6

timeconfig

system-config-date

5.1.1. 查看当前时区 /etc/sysconfig/clock

[root@ntp ~]# cat /etc/sysconfig/clockZONE="Asia/Harbin"UTC=trueARC=false

5.1.2. tzselect - select a timezone

# tzselectPlease identify a location so that time zone rules can be set correctly.Please select a continent or ocean. 1) Africa 2) Americas 3) Antarctica 4) Arctic Ocean 5) Asia 6) Atlantic Ocean 7) Australia 8) Europe 9) Indian Ocean10) Pacific Ocean11) none - I want to specify the time zone using the Posix TZ format.#?

重新启动后生效

5.1.3. 时区设置 CentOS 7

列出时区

# timedatectl list-timezones

设置时区

# timedatectl set-timezone Asia/Hong_Kong

查看时区

# timedatectl

5.1.4. 修改时区并立即生效

可用时区 /usr/share/zoneinfo

[root@ntp ~]# ls /usr/share/zoneinfoAfrica      Asia       Canada   Cuba   EST      Factory  GMT0       Hongkong  Iran         Japan      Mexico   Navajo   Poland      PRC      ROK        Universal  W-SUAmerica     Atlantic   CET      EET    EST5EDT  GB       GMT-0      HST       iso3166.tab  Kwajalein  Mideast  NZ       Portugal    PST8PDT  Singapore  US         zone.tabAntarctica  Australia  Chile    Egypt  Etc      GB-Eire  GMT+0      Iceland   Israel       Libya      MST      NZ-CHAT  posix       right    Turkey     UTC        ZuluArctic      Brazil     CST6CDT  Eire   Europe   GMT      Greenwich  Indian    Jamaica      MET        MST7MDT  Pacific  posixrules  ROC      UCT        WET

执行 hwclock 后会立即生效

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

演示如下，你可以看到时区从 EDT 变为 CST

# cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime# dateFri Jul  4 05:57:25 EDT 2014# hwclockFri 04 Jul 2014 06:12:14 PM CST  -0.219192 seconds# dateFri Jul  4 18:12:17 CST 2014

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原文出处：Netkiller 系列手札

本文作者：陈景峯

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