を使用してphpMyAdminをインストールしようとしてsudo apt-get install phpmyadmin
いますが、このエラーが発生しています
Err http://gb.archive.ubuntu.com/ubuntu/ precise-updates/main mysql-common all 5.5.34-0ubuntu0.12.04.1
404 Not Found [IP: 194.169.254.10 80]
Err http://security.ubuntu.com/ubuntu/ precise-security/main mysql-common all 5.5.34-0ubuntu0.12.04.1
404 Not Found [IP: 91.189.91.15 80]
Err http://security.ubuntu.com/ubuntu/ precise-security/main libmysqlclient18 i386 5.5.34-0ubuntu0.12.04.1
404 Not Found [IP: 91.189.91.15 80]
Err http://security.ubuntu.com/ubuntu/ precise-security/main mysql-client-core-5.5 i386 5.5.34-0ubuntu0.12.04.1
404 Not Found [IP: 91.189.91.15 80]
Err http://security.ubuntu.com/ubuntu/ precise-security/main mysql-client-5.5 i386 5.5.34-0ubuntu0.12.04.1
404 Not Found [IP: 91.189.91.15 80]
Err http://security.ubuntu.com/ubuntu/ precise-security/main mysql-client all 5.5.34-0ubuntu0.12.04.1
404 Not Found [IP: 91.189.91.15 80]
Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/m/mysql-5.5/mysql-common_5.5.34-0ubuntu0.12.04.1_all.deb 404 Not Found [IP: 91.189.91.15 80]
Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/m/mysql-5.5/libmysqlclient18_5.5.34-0ubuntu0.12.04.1_i386.deb 404 Not Found [IP: 91.189.91.15 80]
Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/m/mysql-5.5/mysql-client-core-5.5_5.5.34-0ubuntu0.12.04.1_i386.deb 404 Not Found [IP: 91.189.91.15 80]
Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/m/mysql-5.5/mysql-client-5.5_5.5.34-0ubuntu0.12.04.1_i386.deb 404 Not Found [IP: 91.189.91.15 80]
Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/m/mysql-5.5/mysql-client_5.5.34-0ubuntu0.12.04.1_all.deb 404 Not Found [IP: 91.189.91.15 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
ここで何が問題になりますか?どうすれば解決できますか?
1
「/etc/apt/source.list」ファイルには、「security.ubuntu.com/ubuntu」を含む行がありません。私は何をしますか?その行は何を示唆していますか?