Ubuntu配置和修改IP地址

sudo vi /etc/network/interfaces

auto eth0
iface eth0 inet static
address 172.16.210.222
netmask 255.255.255.0
gateway 172.16.210.254
dns-nameserver 219.141.136.10
dns-nameserver 202.106.0.20

sudo /etc/init.d/networking restart

立刻生效
ip addr flush dev ens33
ifdown ens33
ifup ens33
/etc/init.d/networking restart

双网卡配置，配置一个网关，另一个配置路由
route add -net 10.10.0.0/16 gw 10.10.130.254 dev enp129s0f0