Locales on Debian
Sometimes: apt-get install locales-all
root@kube1:~# cat /etc/default/locale
# File generated by update-locale
LANG="en_US.UTF-8"
LANGUAGE="en_US.UTF-8"
LC_CTYPE="en_US.UTF-8"
LC_ALL="en_US.UTF-8"
Sometimes you need to: apt-get install locales-all