目录
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5.1. 时区设置 CentOS 6
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5.1.1. 查看当前时区 /etc/sysconfig/clock
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5.1.2. tzselect - select a timezone
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5.1.3. 时区设置 CentOS 7
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5.1.4. 修改时区并立即生效
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5.2. 日期、时间
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5.2.1. rdate - get the time via the network
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5.3. 语言
timeconfig
system-config-date
5.1.1. 查看当前时区 /etc/sysconfig/clock
[root@ntp ~]# cat /etc/sysconfig/clock
ZONE="Asia/Harbin"
UTC=true
ARC=false
5.1.2. tzselect - select a timezone
# tzselect
Please 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 Ocean
10) Pacific Ocean
11) none - I want to specify the time zone using the Posix TZ format.
#?
重新启动后生效
列出时区
# timedatectl list-timezones
设置时区
# timedatectl set-timezone Asia/Hong_Kong
查看时区
# timedatectl
可用时区 /usr/share/zoneinfo
[root@ntp ~]# ls /usr/share/zoneinfo
Africa Asia Canada Cuba EST Factory GMT0 Hongkong Iran Japan Mexico Navajo Poland PRC ROK Universal W-SU
America Atlantic CET EET EST5EDT GB GMT-0 HST iso3166.tab Kwajalein Mideast NZ Portugal PST8PDT Singapore US zone.tab
Antarctica Australia Chile Egypt Etc GB-Eire GMT+0 Iceland Israel Libya MST NZ-CHAT posix right Turkey UTC Zulu
Arctic 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
# date
Fri Jul 4 05:57:25 EDT 2014
# hwclock
Fri 04 Jul 2014 06:12:14 PM CST -0.219192 seconds
# date
Fri 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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