weixin_39064001的博客

vim /etc/network/interfaces auto lo iface lo inet loopback auto eth0 # eth0 这个参数，应该和读者自己的机器ifconfig 输出相符 iface eth0 inet static address 192.168.31.99 netmask 255.255.255.0 gateway 192.168.31.2 dns-nameservers 211.136.20.203 ...

sudo vim /etc/apt/sources.list 如果现有镜像源比较慢，就注释掉 #阿里源 deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse deb http://mirrors.al