J'essaie d'installer phpMyAdmin en utilisant sudo apt-get install phpmyadmin
mais je rencontre cette erreur
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?
Quel pourrait être le problème ici? Comment le résoudre?