$ sudo apt install task-japanese
$ sudo apt install fonts-ipafont
$ sudo apt install fonts-ipaexfont
$ fc-cache -fv
$ sudo apt install language-pack-ja
$ sudo apt install fonts-ipafont
$ sudo apt install fonts-ipaexfont
$ fc-cache -fv
- https://lef237.hatenablog.com/entry/2022/12/05/163550
- https://eng-entrance.com/linux-localization-lang
$ echo 'export LANG=ja_JP.utf8' >> ~/.bashrc