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  • linux 修改时间

    如果时间不对,并且不是CST 时区
    比如 使用 date 看到 EST

    [root@master ~]# 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
    #? 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:      Sun Apr 15 09:16:02 CST 2018.
    Universal Time is now:  Sun Apr 15 01:16:02 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
    You have new mail in /var/spool/mail/root
    
    

    根据提示修改

    [root@master ~]# vi /etc/profile
    
    ###NTP
    export TZ='Asia/Shanghai' 
    

    接下来 退出 终端 重新远程进入即可
    然后与网络时间同步

    安装同步工具ntpdate
    yum install -y ntpdate
    安装成功运行一下命令 与服务器时间同步一致
    ntpdate cn.pool.ntp.org
    使用date 查看时间
    当然我们修改的只是系统时间,需要同步硬件时间
    使用命令
    hwclock -w
    然后使用命令查看
    hwclock
    查看硬件时间
    
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  • 原文地址:https://www.cnblogs.com/lph970417/p/12118180.html
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