修改CentOS伺服器時間為北京時間

ImClive發表於2018-10-27
CentOS伺服器
  1. 購買了VPS，CentOS系統，發現伺服器時間與北京時間往往不一致，存在時差。
[clive@server workspace]$ date
2018年 05月 30日 星期三 02:02:47 UTC
  1. 可以執行tzselect命令按提示更換時區，依次選擇5-Asia，9-China，1-Beijing Time。
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:  Wed May 30 10:04:16 CST 2018.
Universal Time is now:  Wed May 30 02:04:16 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
  1. 將TZ=`Asia/Shanghai`; export TZ這行新增到/etc/profile（所有使用者生效）或者~/.bash_profile（當前使用者生效）
  2. 退出重新登入即可，也可執行source /etc/profile或source ~/.bash_profile立即生效
  3. 這時候再執行date檢視日期就可以發現時區改為北京時間啦。
[clive@server workspace]$ date
2018年 05月 30日 星期三 10:07:11 CST

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