linux PDT時間改成CST時間
阿新 • • 發佈:2018-12-11
1、執行 tzselect 命令
linux-4asj:~ # tzselect – select a time zone 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 #? 9
Please select one of the following time zone regions. 1) China Standard Time 3) China north 5) China Xinjiang-Tibet 2) China east 4) China mountains 6) China west Xinjiang #? 1 The following information has been given: China China Standard Time Therefore TZ='Asia/Beijing' will be used. Local time is now: Wed Jan 31 09:30:25 CST 2018. Universal Time is now: Wed Jan 31 01:30:25 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/Beijing'; export TZ to the file '.profile' in your home directory; then log out and log in again. 改為提示需要修改/etc/profile檔案 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/Beijing linux-4asj:~ # date Wed Jan 31 09:30:52 PDT 2018 linux-4asj:~ # vim /etc/profile
將原先TZ 改為TZ='Asia/Shanghai'
export TZ
source /etc/profile
將系統時間同步到硬體系統,執行以下命令
linux-4asj:~ # hwclock -w
-r, --show 讀取並列印硬體時鐘(read hardware clock and print result )
-s, --hctosys 將硬體時鐘同步到系統時鐘(set the system time from the hardware clock )
-w, --systohc 將系統時鐘同步到硬體時鐘(set the hardware clock to the current system time )