查看你的網卡名稱(本機是eno16777736):

[root@linuxprobe Desktop]# ifconfigeno16777736: flags=4163  mtu 1500        inet 192.168.1.100  netmask 255.255.255.0  broadcast 192.168.1.255        inet6 fe80::20c:29ff:feb8:2b07  prefixlen 64  scopeid 0x20        inet6 fde0:b912:e3a9:0:20c:29ff:feb8:2b07  prefixlen 64  scopeid 0x0        ether 00:0c:29:b8:2b:07  txqueuelen 1000  (Ethernet)        RX packets 37  bytes 5428 (5.3 KiB)        RX errors 0  dropped 0  overruns 0  frame 0        TX packets 62  bytes 8269 (8.0 KiB)        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0lo: flags=73  mtu 65536        inet 127.0.0.1  netmask 255.0.0.0        inet6 ::1  prefixlen 128  scopeid 0x10        loop  txqueuelen 0  (Local Loopback)        RX packets 134  bytes 10928 (10.6 KiB)        RX errors 0  dropped 0  overruns 0  frame 0        TX packets 134  bytes 10928 (10.6 KiB)        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0[root@linuxprobe Desktop]# 

編輯ifcfg-eno16777736 文件：

紅色為需要修改或者添加的內容,保存並退出。
部分釋義：

TYPE=Ethernet        #網絡接口類型BOOTPROTO=static     #動態為dhcpDEFROUTE=yesIPV4_FAILURE_FATAL=yesIPV6INIT=yes          #是否支持IPV6       IPV6_AUTOCONF=yes    IPV6_DEFROUTE=yesIPV6_FAILURE_FATAL=noNAME=eno16777736    #網卡名稱UUID=72cf53fd-534c-4765-912b-3df575a10a7dONBOOT=yes          #開啟自動啟用網絡連接IPADDRO=192.168.1.20  #設置IP地址GATEWAY0=192.168.1.1  #設置網關PREFIX0=24           #設置子網掩碼DNS1=192.168.1.1     #設置DNSHWADDR=00:0C:29:B8:2B:07PEERDNS=yes PEERROUTES=yesIPV6_PEERDNS=yesIPV6_PEERROUTES=yes

重啟網卡並測試網絡：

[root@linuxprobe Desktop]# systemctl restart network

[root@linuxprobe Desktop]# nmtui

[root@linuxprobe Desktop]# nm-connection-editor