First type cd /etc/sysconfig/netuork-scripts/ and press Enter
Type ls and hit enter
Type vi ifcfg-eth0 and press enter
Press the esc key, then press the U and I keys successively to move the cursor to no with the keyboard , then delete the no and change it to yes
Press the esc key, then hold down the shift key , press the colon key , type wq , press enter to save
Type service network restart and press Enter to restart the network service
Enter ifconfig and press Enter to query the IP address, the red box is the IP address
Type service iptables stop and press enter to close the firewall so that Xshell can connect
Connect CenOS with Xshell
Open Xshell and click New
In the red box marked Enter the host IP address, click OK
Select the session created and click the link
In the pop-up window, select Accept and save
Enter the username (usually root)
enter password
The login is successful, you can use the CenOS host in Xshell
