1.在/etc/network/interfaces文件里加一行iface eth0 inet6 dhcp，路由器上对应的模式是stateful。需要重启网卡或重启系统2.如果路由器上用stateless，对应的配置好像是iface eth0 inet6 auto（...

更换全部源 一行一个nano /etc/apt/sources.list deb https://mirrors.ustc.edu.cn/debian buster main contrib non-free deb https://mirrors.ustc.edu.cn/debian buster-updates main contrib...