设置IP和掩码
ifconfig eth0 192.168.5.40 netmask 255.255.255.0
设置网关
route add default gw 192.168.5.1
DEVICE=eth0
HWADDR=2A:31:E9:75:3A:E5
TYPE=Ethernet
UUID=a1e31acc-590a-4b71-9c98-4f0cb184a857
ONBOOT=yes
NM_CONTROLLED=yes
BOOTPROTO=static
IPADDR=10.2.88.80
NETMASK=255.255.255.0
GATEWAY=10.2.88.254
DNS1=219.150.32.132
DNS2=114.114.114.114