wget
-q
https://www.ubuntulinux.jp/ubuntu-ja-archive-keyring.gpg
-O- |
sudo
apt
-
key
add -
-q
https://www.ubuntulinux.jp/ubuntu-jp-ppa-keyring.gpg
https://www.ubuntulinux.jp/sources.list.d/utopic.list
-O /etc/
/sources.list.d/
ubuntu
-ja.list
-get update
-get upgrade