jika kamu mengalami error locale di debian ini obat paling cepatnya


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


letakkan di bash profile atau di bashrc user kamu. caranya


echo "export LANGUAGE=en_US.UTF-8" >> ~/.bashrc
echo "export LANG=en_US.UTF-8" >> ~/.bashrc
echo "export LC_ALL=en_US.UTF-8" >> ~/.bashrc


lalu generate ulang local gen kamu


#locale-gen en_US.UTF-8
#dpkg-reconfigure locales


harusnya masalah kamu sudah selesai dari sini.