Ubuntu更改时区 | master cat

sudo apt install tzdata
进行安装时区，有很多时区可供选择。
然后执行:tzselect
root@d75c94dcd226:/# date
2023年 10月 11日 星期三 06:25:12 UTC
root@d75c94dcd226:/# 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 timezone using the Posix TZ format.
#? 4
Please select a country whose clocks agree with yours.
 1) Afghanistan		     15) French S. Terr.	  29) Kyrgyzstan	       43) Russia
 2) Antarctica		     16) Georgia		  30) Laos		       44) Saudi Arabia
 3) Armenia		     17) Hong Kong		  31) Lebanon		       45) Seychelles
 4) Azerbaijan		     18) India			  32) Macau		       46) Singapore
 5) Bahrain		     19) Indonesia		  33) Malaysia		       47) Sri Lanka
 6) Bangladesh		     20) Iran			  34) Mongolia		       48) Syria
 7) Bhutan		     21) Iraq			  35) Myanmar (Burma)	       49) Taiwan
 8) Brunei		     22) Israel			  36) Nepal		       50) Tajikistan
 9) Cambodia		     23) Japan			  37) Oman		       51) Thailand
10) China		     24) Jordan			  38) Pakistan		       52) Turkmenistan
11) Christmas Island	     25) Kazakhstan		  39) Palestine		       53) United Arab Emirates
12) Cocos (Keeling) Islands  26) Korea (North)		  40) Philippines	       54) Uzbekistan
13) Cyprus		     27) Korea (South)		  41) Qatar		       55) Vietnam
14) East Timor		     28) Kuwait			  42) Réunion		       56) Yemen
#? 10
Please select one of the following timezones.
1) Beijing Time
2) Xinjiang Time, Vostok
#? 1

The following information has been given:

	China
	Beijing Time

Therefore TZ='Asia/Shanghai' will be used.
Selected time is now:	Wed Oct 11 14:26:05 CST 2023.
Universal Time is now:	Wed Oct 11 06:26:05 UTC 2023.
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@d75c94dcd226:/# date
2023年 10月 11日 星期三 06:26:13 UTC
root@d75c94dcd226:/# cp /usr/share/zoneinfo/Asia/Shanghai  /etc/localtime 
root@d75c94dcd226:/# date
2023年 10月 11日 星期三 14:29:03 CST
root@d75c94dcd226:/#