配置静态IP
vim /etc/network/interfaces
auto lo
iface lo inet loopback
auto ens33
iface ens33 inet static
address 192.168.220.100
netmask 255.255.255.0
gateway 192.168.220.2
dns-nameservers 8.8.8.8 114.114.114.114
vim /etc/resolv.conf(这个其实可以不用)
nameserver 8.8.8.8
nameserver 114.114.114.114
/etc/init.d/networking restart (重启网络)
ufw disable (关闭防火墙)
sudo apt-get install openssh-server openssh-client (安装链接服务)