Ubuntu设置静态IP

sudo vim /etc/network/interfaces

 auto eth0
iface eth0 inet static
address 192.168.1.250
gateway 192.168.1.1
netmask 255.255.255.0
dns-nameservers 192.168.1.1 192.168.8.10

然后再

sudo service network-manager restart

sudo ifdown eth0

sudo ifup eth0