2011年2月9日 星期三

Linux - 設定TimeZone

查看目前時區
[root@darwin-test ~]# date
Wed Feb  9 05:20:22 EST 2011


[root@darwin-test ~]# cat /etc/sysconfig/clock
# The ZONE parameter is only evaluated by system-config-date.
# The timezone of the system is defined by the contents of /etc/localtime.
ZONE="America/New_York"   //目前是New York時區
UTC=true
ARC=false


暫時設定台灣時區
[root@darwin-test ~]# export TZ='Asia/Taipei'
[root@darwin-test ~]# date
Wed Feb  9 18:22:24 CST 2011


永久設定時區
[root@darwin-test ~]# system-config-date
[root@darwin-test ~]# cat /etc/sysconfig/clock
# The ZONE parameter is only evaluated by system-config-date.
# The timezone of the system is defined by the contents of /etc/localtime.
ZONE="Asia/Taipei"

UTC=true
ARC=false


[root@darwin-test ~]# date
Wed Feb  9 18:26:16 CST 2011


另一作法-永久設定時區
編輯家目錄.profile or $HOME/.bash_profile
#vi $HOME/.profile
內容如下
export TZ='Asia/Taipei'


另一命令可供參考
[root@darwin-test ~]# 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.
#? 5

Please select a country.
 1) Afghanistan           18) Israel                35) Palestine
 2) Armenia               19) Japan                 36) Philippines
 3) Azerbaijan            20) Jordan                37) Qatar
 4) Bahrain               21) Kazakhstan            38) Russia
 5) Bangladesh            22) Korea (North)         39) Saudi Arabia
 6) Bhutan                23) Korea (South)         40) Singapore
 7) Brunei                24) Kuwait                41) Sri Lanka
 8) Cambodia              25) Kyrgyzstan            42) Syria
 9) China                 26) Laos                  43) Taiwan
10) Cyprus                27) Lebanon               44) Tajikistan
11) East Timor            28) Macau                 45) Thailand
12) Georgia               29) Malaysia              46) Turkmenistan
13) Hong Kong             30) Mongolia              47) United Arab Emirates
14) India                 31) Myanmar (Burma)       48) Uzbekistan
15) Indonesia             32) Nepal                 49) Vietnam
16) Iran                  33) Oman                  50) Yemen
17) Iraq                  34) Pakistan
#? 43

The following information has been given:
        Taiwan
Therefore TZ='Asia/Taipei' will be used.
Local time is now:      Wed Feb  9 18:21:13 CST 2011.
Universal Time is now:  Wed Feb  9 10:21:13 UTC 2011.
Is the above information OK?
1) Yes
2) No
#? 1

You can make this change permanent for yourself by appending the line
        TZ='Asia/Taipei'; export TZto the file '.profile' in your home directory;

then log out and log in again.
Here is that TZ value again, this time on standard output so that you
can use the /usr/bin/tzselect command in shell scripts:
Asia/Taipei

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