Debianで以下のようなロケールエラーが表示される場合の対処方法を紹介します。 # apt-get install XXXXXXX … 中略 … Can't set locale; make sure $LC_* and $LANG are correct! perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LANG = "ja_JP.utf8" are supported and installed on your system. perl: warning: Falling back to the standard locale ("C"). … 略 … 環境変数にロケールが