查询本机 网卡UUid
 nmcli con list
vi /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
 BOOTPROTO=none
 HWADDR=00:0C:29:D2:49:82
 NM_CONTROLLED=yes
 ONBOOT=yes
 TYPE=Ethernet
 UUID="a896296b-a22c-485f-935e-575a3a615a9b"
 IPADDR=192.168.1.103
 NETMASK=255.255.255.0
 GATEWAY=192.168.1.1
 DNS1=192.168.1.1
 IPV6INIT=no
 USERCTL=no
service network restart