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Docker修改正在运行的容器的时区

前言

笔者在对网站日志(nginx)做分析时,发现时间不在东八区,也就服务器时间和当前时间对不上,而该Web网站是放在Nginx容器中,本文是修改已经运行了的容器时区做的一个记录。

步骤

1、进入容器后,执行tzselect,然后依次输入,4-9-1-1,再执行拷贝操作

[[email protected] /data/nginx80]#docker exec -it nginx80 bash
[email protected]:/# tzselect
Please identify a location so that time zone rules can be set correctly.
Please select a continent, ocean, "coord", or "TZ".
 1) Africa
 2) Americas
 3) Antarctica
 4) Asia
 5) Atlantic Ocean
 6) Australia
 7) Europe
 8) Indian Ocean
 9) Pacific Ocean
10) coord - I want to use geographical coordinates.
11) TZ - I want to specify the time zone using the Posix TZ format.

# ? 4

Please select a country whose clocks agree with yours.
 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

# ? 9

Please select one of the following time zone regions.
1) Beijing Time
2) Xinjiang Time

# ? 1

The following information has been given:

    China
    Beijing Time

Therefore TZ='Asia/Shanghai' will be used.
Local time is now:      Mon Dec 17 14:44:19 CST 2018.
Universal Time is now:  Mon Dec 17 06:44:19 UTC 2018.
Is the above information OK?
1) Yes
2) No

# ? 1

You can make this change permanent for yourself by appending the line
​        TZ='Asia/Shanghai'; export TZ
to 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/Shanghai
[email protected]:/# date
Mon Dec 17 06:44:40 UTC 2018
[email protected]:/# cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
[email protected]:/# date
Mon Dec 17 14:44:46 CST 2018
[email protected]:/# exit
exit

2、重启容器

[[email protected] /data/nginx80]#docker restart nginx80
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