設定前環境。
$ cat /etc/sysconfig/i18n
cat: /etc/sysconfig/i18n: No such file or directory
$ cat /etc/locale.conf
LANG=C.UTF-8
$ localectl
System Locale: LANG=C.UTF-8
VC Keymap: (unset)
X11 Layout: jp
X11 Model: pc105
$ localectl list-locales
C.UTF-8