RaspberryPi Locale Issue
RaspberryPi locale fix.
If you encounter a locale issue with errors like so...
LC_ALL: cannot change locale (en_US.UTF-8)
or
locale: Cannot set LC_CTYPE to default locale: No such file or directory
Just run
sudo dpkg-reconfigure locales
and configure it for your language.
Source : https://www.thomas-krenn.com/en/wiki/Perl_warning_Setting_locale_failed_in_Debian