进城务工人员小梅首先使用笔者《阿里云ECS上Ubuntu 18.04 LTS时钟同步问题》中的方法同步一下时钟：
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jumper@gps-uat:~$ sudo ntpdate ntp1.aliyun.com 17 Aug 11:36:28 ntpdate[89100]: adjust time server 120.25.115.20 offset 0.043530 sec |
没安装的话：
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jumper@gps-uat:~$ sudo apt install ntpdate |
然后查看当前系统时间：
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jumper@gps-uat:~$ date -R Mon, 17 Aug 2020 11:36:45 +0000 |
正常应该是东八区，因此需要设置时区。
运行tzselect，依次选择Asia、China、Beijing：
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jumper@gps-uat:~$ 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. Selected time is now: Mon Aug 17 19:40:25 CST 2020. Universal Time is now: Mon Aug 17 11:40:25 UTC 2020. 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 jumper@gps-uat:~$ |
将/usr/share/zoneinfo/Asia/Shanghai文件复制到/etc/localtime：
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jumper@gps-uat:~$ sudo cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime |
再次查看时间，已经变为东八区：
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jumper@gps-uat:~$ date -R Mon, 17 Aug 2020 19:41:49 +0800 |
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