Debian10 设置静态ip和dns

# cat  >/etc/network/interfaces << EOF
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 192.168.209.128
netmask 255.255.255.0
gateway 192.168.209.2
EOF
# systemctl restart networking

设置静态dns

# cat  >/etc/resolv.conf  << EOF
nameserver 114.114.114.114
nameserver 8.8.8.8
EOF