I wrote an article about Debian locale configuration at Debian Locale Configuration - 20180613 - Shammerism, this is based on LANG=C. Here is a procedure how to configure Japanese locale. Edit /etc/locale.gen and remove comment of the line…

I wrote an article about the Debian locale in Debian Locale Configuration - Shammerism, but I noticed /etc/environment is not recommended, it is a likely old configuration file. Now we should use /etc/default/locale. This is a sample using…