挂载
sudo mount -t iso9660 -o loop ubuntu-7.04-desktop-i386.iso /media/cdrom
删除其它源,添加源
sudo apt-cdrom -m -d /cdrom add
但用sudo apt-get update 提示 :
不能升级,请求帮助。忽略 cdrom://Ubuntu 7.04 _Feisty Fawn_ - Release i386 (20070415) feisty/main Translation-zh_CN
忽略 cdrom://Ubuntu 7.04 _Feisty Fawn_ - Release i386 (20070415) feisty/restricted Translation-zh_CN