Fix the LC_ALL: cannot change locale issue on RaspberryPi

11 May 2020 on RaspberryPi, Raspbian

Open up:

$ sudo vim /etc/default/locale

Add the following:

LANG=en_US.UTF-8  
LANGUAGE=en_US.UTF-8  
LC_ALL=en_US.UTF-8

Then run:

$ sudo locale-gen en_US.UTF-8
$ sudo dpkg-reconfigure locales

Logout and login and the issue should be away