覚え書き。

$ wget -q http://packages.linuxmint-jp.net/linuxmint-ja-archive-keyring.gpg -O- | sudo apt-key add –
$ sudo wget http://packages.linuxmint-jp.net/sources.list.d/linuxmint-ja.list -O /etc/apt/sources.list.d/linuxmint-ja.list
$ sudo apt-get update
$ sudo apt-get dist-upgrade