我正在尝试使用安装 phpMyAdminsudo apt-get install phpmyadmin但遇到此错误
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 …