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  • Ubuntu修改时区

    昨天发现几台服务器的时间不同步,用ntpdate同步发现始终不能改变:

    root@hadoop12:~# ntpdate cn.pool.ntp.org
    17 Jan 04:42:16 ntpdate[127601]: adjust time server 202.108.6.95 offset 0.037633 sec
    root@hadoop12:~# date
    Wed Jan 17 04:42:51 EST 2018

    查看时区

    root@hadoop12:~#date -R
    Tue, 17 Dec 2013 18:23:01 -0500

    最后发现是时区不对,修改时区

    root@hadoop12:~# 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: Wed Jan 17 17:46:56 CST 2018.
    Universal Time is now: Wed Jan 17 09:46:56 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
    root@hadoop12:~# cp /usr/share/zoneinfo/A
    Africa/ America/ Antarctica/ Arctic/ Asia/ Atlantic/ Australia/
    root@hadoop12:~# cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
    root@hadoop12:~# ntpdate cn.pool.ntp.org
    17 Jan 17:47:50 ntpdate[127671]: adjust time server 202.112.29.82 offset -0.014492 sec
    root@hadoop12:~# date
    Wed Jan 17 17:48:19 CST 2018

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  • 原文地址:https://www.cnblogs.com/yangxiaochu/p/8308539.html
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