How to add language support on CentOS 7 (on Docker)?


I’m trying to set locale to Japanese, but CentOS image on docker doesn’t include language support.

bash-4.2# yum groupinstall -y "Japanese Support"
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base:
 * extras:
 * updates:
Warning: group Japanese Support does not exist.
Maybe run: yum groups mark install (see man yum)
No packages in any requested group available to install or update

I’ve checked grouplist by yum grouplist and yum grouplist hidden and neither include Japanese Support.
Is there any way to install Japanese Support?
Thanks in advance.

My answer:

You can set the locale with the localectl command.

# localectl list-locales | grep ^ja

Pick the correct locale and then set it.

# localectl set-locale LANG=ja_JP.utf8

Note that this doesn’t install input methods or change the keyboard layout, but those don’t really apply to a container.

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