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第 9 章 区域/语言/时间

目录

9.1. Ubuntu
9.1.1. time zone
9.1.2. to change system date/time
9.1.2.1. NTP Server
9.1.3. Language
9.2. CentOS 区域设置
9.2.1. 时区设置 CentOS 6
9.2.1.1. 查看当前时区 /etc/sysconfig/clock
9.2.1.2. tzselect - select a timezone
9.2.1.3. 时区设置 CentOS 7
9.2.1.4. 修改时区并立即生效
9.2.2. 日期、时间
9.2.2.1. rdate - get the time via the network
9.2.3. 语言
	

	

9.1. Ubuntu

9.1.1. time zone

选择用户时区

$ 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.
#?
		
tzconfig
netkiller@shenzhen:~$ tzconfig
Your current time zone is set to US/Eastern
Do you want to change that? [n]: y

Please enter the number of the geographic area in which you live:


        1) Africa                       7) Australia

        2) America                      8) Europe

        3) US time zones                9) Indian Ocean

        4) Canada time zones            10) Pacific Ocean

        5) Asia                         11) Use System V style time zones

        6) Atlantic Ocean               12) None of the above


Then you will be shown a list of cities which represent the time zone
in which they are located. You should choose a city in your time zone.

Number: 5

Aden Almaty Amman Anadyr Aqtau Aqtobe Ashgabat Ashkhabad Baghdad Bahrain
Baku Bangkok Beirut Bishkek Brunei Calcutta Choibalsan Chongqing Chungking
Colombo Dacca Damascus Dhaka Dili Dubai Dushanbe Gaza Harbin Hong_Kong
Hovd Irkutsk Istanbul Jakarta Jayapura Jerusalem Kabul Kamchatka Karachi
Kashgar Katmandu Krasnoyarsk Kuala_Lumpur Kuching Kuwait Macao Macau
Magadan Makassar Manila Muscat Nicosia Novosibirsk Omsk Oral Phnom_Penh
Pontianak Pyongyang Qatar Qyzylorda Rangoon Riyadh Riyadh87 Riyadh88
Riyadh89 Saigon Sakhalin Samarkand Seoul Shanghai Singapore Taipei
Tashkent Tbilisi Tehran Tel_Aviv Thimbu Thimphu Tokyo Ujung_Pandang
Ulaanbaatar Ulan_Bator Urumqi Vientiane Vladivostok Yakutsk Yekaterinburg
Yerevan

Please enter the name of one of these cities or zones
You just need to type enough letters to resolve ambiguities
Press Enter to view all of them again
Name: [] Harbin
Your default time zone is set to 'Asia/Harbin'.
Local time is now:      Tue Mar 11 10:46:46 CST 2008.
Universal Time is now:  Tue Mar 11 02:46:46 UTC 2008.

		

tzdata

dpkg-reconfigure tzdata
$ sudo dpkg-reconfigure tzdata
		

9.1.2. to change system date/time

date

e.g. date -s month/day/year

# date -s 1/18/2008
		

time

e.g. date -s hour:minute:second

# date -s 11:12:00
		

writing CMOS

# clock -w
		

9.1.2.1. NTP Server

更新网络时间

ntpdate - client for setting system time from NTP servers

$ sudo ntpdate asia.pool.ntp.org
21 May 10:34:18 ntpdate[6687]: adjust time server 203.185.69.60 offset 0.031079 sec		
$ sudo hwclock -w
			

9.1.3. Language

默认语言

export LANG=en_US
export LC_ALL=en_US		
		

永久更改

sudo vi /etc/default/locale

LANG="en_US.UTF-8"
LANGUAGE="en_US:en"
		

改为中文环境

sudo apt-get install language-support-zh
LANG="zh_CN.UTF-8"
LANGUAGE="zh_CN:zh"