新安装的ubuntu server 22.04需要移除CDROM的源更新地址，改为网络的source.list内容：
deb http://archive.ubuntu.com/ubuntu/ jammy main restricted universe multiverse # deb-src http://archive.ubuntu.com/ubuntu/ jammy main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ jammy-updates main restricted universe multiverse # deb-src http://archive.ubuntu.com/ubuntu/ jammy-updates main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse # deb-src http://archive.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ jammy-backports main restricted universe multiverse # deb-src http://archive.ubuntu.com/ubuntu/ jammy-backports main restricted universe multiverse deb http://archive.canonical.com/ubuntu/ jammy partner # deb-src http://archive.canonical.com/ubuntu/ jammy partner