sudo -s
apt-get install language-pack-en language-pack-hu
dpkg-reconfigure locales
 
update-locale --reset \
  LANG="en_US.UTF-8" \
  LC_MESSAGES="POSIX" \
  LANGUAGE= \
  LC_ALL= \
  LC_CTYPE="en_US.UTF-8" \
  LC_NUMERIC="en_US.UTF-8" \
  LC_TIME="en_US.UTF-8" \
  LC_COLLATE="en_US.UTF-8" \
  LC_MONETARY="en_US.UTF-8" \
  LC_PAPER="en_US.UTF-8" \
  LC_NAME="en_US.UTF-8" \
  LC_ADDRESS="en_US.UTF-8" \
  LC_TELEPHONE="en_US.UTF-8" \
  LC_MEASUREMENT="en_US.UTF-8" \
  LC_IDENTIFICATION="en_US.UTF-8"
 
locale-gen
locale

Ez javítja a következő hibát:

perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
	LANGUAGE = (unset),
        ...
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").

update-locale --reset \
  LANG="en_US.UTF-8" \
  LC_MESSAGES="POSIX" \
  LANGUAGE= \
  LC_ALL= \
  LC_CTYPE="hu_HU.UTF-8" \
  LC_NUMERIC="hu_HU.UTF-8" \
  LC_TIME="hu_HU.UTF-8" \
  LC_COLLATE="hu_HU.UTF-8" \
  LC_MONETARY="hu_HU.UTF-8" \
  LC_PAPER="hu_HU.UTF-8" \
  LC_NAME="hu_HU.UTF-8" \
  LC_ADDRESS="hu_HU.UTF-8" \
  LC_TELEPHONE="hu_HU.UTF-8" \
  LC_MEASUREMENT="hu_HU.UTF-8" \
  LC_IDENTIFICATION="hu_HU.UTF-8"