我有一台在 Ubuntu 12.10 上运行的虚拟机。当我尝试跑步时
apt-get install imagemagick
我收到几个 404 错误：
Err http://archive.ubuntu.com/ubuntu/ quantal-updates/main libcups2 amd64 1.6.1-0ubuntu11.5
404 Not Found [IP: 91.189.92.200 80]
Err http://security.ubuntu.com/ubuntu/ quantal-security/main libcupsimage2 amd64 1.6.1-0ubuntu11.5
404 Not Found [IP: 91.189.91.15 80]
Err http://security.ubuntu.com/ubuntu/ quantal-security/main libtiff5 amd64 4.0.2-1ubuntu2.2
404 Not Found [IP: 91.189.91.15 80]
Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/c/cups/libcups2_1.6.1-0ubuntu11.5_amd64.deb 404 Not Found [IP: 91.189.91.15 80]
Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/c/cups/libcupsimage2_1.6.1-0ubuntu11.5_amd64.deb 404 Not Found [IP: 91.189.91.15 80]
Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/c/cups/libtiff5_4.0.2-1ubuntu2.2_amd64.deb 404 Not Found [IP: 91.189.91.15 80]
E: Unable to fetch …