How to solve the problem that xshell cannot connect to centos

How to solve the problem that xshell cannot connect to centos?

1. Check whether they are on the same network segment

2. Check whether port 22 of shh is open

vim /etc/ssh/sshd_config

Save After exiting, restart the ssh service

service sshd restart

3. Turn off the firewall

service iptables stop

3. If you log in as the root user and do not set a password, set a password

passwd

Related references:centOS tutorial

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