设置时区，tzselect报错，需要安装tzdata
安装完后tzselect按如下步骤设置，最后copy下文件
root@5ee5ff2c92c7:~# date -R
Tue, 23 Jul 2019 13:55:20 +0000
root@5ee5ff2c92c7:~# tzselect
/usr/bin/tzselect: line 180: /usr/share/zoneinfo/iso3166.tab: No such file or directory
/usr/bin/tzselect: time zone files are not set up correctly
root@5ee5ff2c92c7:~# apt-get install tzdata
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
tzdata
0 upgraded, 1 newly installed, 0 to remove and 5 not upgraded.
Need to get 168 kB of archives.
After this operation, 2867 kB of additional disk space will be used.
Get:1 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 tzdata all 2019b-0ubuntu0.16.04 [168 kB]
Fetched 168 kB in 1s (89.9 kB/s)
debconf: delaying package configuration, since apt-utils is not installed
Selecting previously unselected package tzdata.
(Reading database ... 16933 files and directories currently installed.)
Preparing to unpack .../tzdata_2019b-0ubuntu0.16.04_all.deb ...
Unpacking tzdata (2019b-0ubuntu0.16.04) ...
Setting up tzdata (2019b-0ubuntu0.16.04) ...
debconf: unable to initialize frontend: Dialog
debconf: (No usable dialog-like program is installed, so the dialog based frontend cannot be used. at /usr/share/perl5/Debconf/FrontEnd/Dialog.pm line 76.)
debconf: falling back to frontend: Readline
Current default time zone: 'Etc/UTC'
Local time is now: Tue Jul 23 13:55:39 UTC 2019.
Universal Time is now: Tue Jul 23 13:55:39 UTC 2019.
Run 'dpkg-reconfigure tzdata' if you wish to change it.
root@5ee5ff2c92c7:~#
root@5ee5ff2c92c7:~# 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: Tue Jul 23 21:55:48 CST 2019.
Universal Time is now: Tue Jul 23 13:55:48 UTC 2019.
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@5ee5ff2c92c7:~#
root@5ee5ff2c92c7:~# date -R
Tue, 23 Jul 2019 13:55:52 +0000
root@5ee5ff2c92c7:~# cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
root@5ee5ff2c92c7:~# date -R
Tue, 23 Jul 2019 21:56:15 +0800