關掉 NetworkManager
systemctl stop NetworkManager.service
systemctl disable NetworkManager.service
systemctl restart network
修改/etc/sysconfig/network-scripts/ifcfg-(connection)
TYPE=Ethernet
BOOTPROTO=none
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
NAME=eth1
UUID=77f81288-6408-45e4-a1d7-114b8ea7690d
DEVICE=eno1
ONBOOT=yes
IPADDR=192.168.1.66
PREFIX=24
GATEWAY=192.168.1.1
DNS1=8.8.8.8
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
ifdown eth1 = 關閉網路卡
ifup eth1 = 開啟網路卡