perl warning: LC_ALL not set Estonian locale: LC_ALL="et_EE.UTF-8" LANG="et_EE.UTF-8" per user: echo 'export LC_ALL="et_EE.UTF-8’" >> .bash_profile source .bash_profile system-wide: sudo locale-gen et_EE.UTF-8 sudo dpkg-reconfigure locales enforce settings without logging out or closing terminal (run session script): . .bash_profile source .bash_profile