open wired centos 7 cmd

 To open a wired connection in CentOS 7, you can use the nmtui command to open Network Manager and select the network interface. You can also use the ifconfig command to configure and manage network interfaces. 

Steps 

1. Open the terminal
2. Type nmcli d to list the installed ethernet cards
3. Type nmtui to open Network Manager
4. Select the network interface
5. Click Edit

You can also use the ifconfig command to configure network interfaces. For example, you can use ifconfig eth0 up to turn on the Ethernet 0 interface, or ifconfig eth0 down to turn it off. 

Other commands

• ip is a newer command that displays device and address information 
• netstat is a versatile command that displays device and address information 
• systemctl restart network.service restarts the server networking service