What should I do if CentOS does not display the network card?

What should I do if CentOS does not display the network card?

centos does not display the network card. You can add it manually. The specific method is as follows:

1 . Use the nmcli con command to view the UUID information of the network card and write down the UUID value

nmcli con

(Online video tutorial sharing: linux video tutorial)

2. Use the ip addr command to view the network card information and remember the MAC address of eth5

ip addr

##3. Place the /etc/sysconfig/network-scripts/ directory Copy the ifcfg-eth0 file and name it ifcfg-eth5.

cd /etc/sysconfig/network-scripts/2 cp ifcfg-eth0 ifcfg-eth5

4. Modify the configuration file again and pay attention to modifying the necessary hardware information.

vi ifcfg-eth5

5. Restart the network card.

service network restart

6. Check the IP again, it is already fine and it will not change in the future

ifconfig

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