deb http://jp.archive.ubuntu.com/ubuntu/ dapper main restricted universe multiverse deb-src http://jp.archive.ubuntu.com/ubuntu/ dapper main restricted universe multiverse deb http://jp.archive.ubuntu.com/ubuntu/ dapper-updates main restricted universe multiverse deb-src http://jp.archive.ubuntu.com/ubuntu/ dapper-updates main restricted universe multiverse deb http://security.ubuntu.com/ubuntu dapper-security main restricted universe multiverse deb-src http://security.ubuntu.com/ubuntu dapper-security main restricted universe multiverse