perl: warning: Falling back to a fallback locale

perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
........
are supported and installed on your system.
perl: warning: Falling back to a fallback locale ("en_US.UTF-8").

В терминале выполним (три строки одной командой):

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

И затем: