Setting the language on Debian derived Linux
/etc/environment
LANG="en_US.UTF-8"
/etc/default/locale
LANG="en_US.UTF-8"
/var/lib/locales/supported.d/local
en_US.UTF-8 UTF-8
dpkg-reconfigure locales
source /etc/environment locale
/etc/environment
LANG="en_US.UTF-8"
/etc/default/locale
LANG="en_US.UTF-8"
/var/lib/locales/supported.d/local
en_US.UTF-8 UTF-8
dpkg-reconfigure locales
source /etc/environment locale