Solution for broken Korean language in Ubuntu

solution_for_broken_ko_lang

$ sudo apt-get install language-pack-ko
$ sudo apt-get install language-pack-ko-base
$ sudo apt-get install localepurge
In the progress of installing of `localepurge`, setting script will be excuted. Then you must check `ko_KR.EUC-KR`.
If the script will not be excuted, type command `sudo dpkg-reconfigure localeconf`. Then you can do it.
After check it and push `Enter` button, window will be moved to option settings window. Then just push `Enter`.
Next,
$ sudo echo "ko_KR.EUC-KR EUC-KR" >> /var/lib/locales/supported.d/ko
$ sudo locale-gen --purge
$ sudo dpkg-reconfigure locales
$ sudo echo 'LANG="ko_KR.UTF-8"' >> /etc/environment
$ sudo echo 'LANG="ko_KR.UTF-8"' >> /etc/profile