Warning: Remote Host Identification Has Changed (Solved)

How to remote host identification has changed? I will show you how to solve this error. Sometimes when we are going to login with ssh in our server like [user@hostname ~]$ ssh root@pong, then we face this error. 

To solve this error, just do as below:

ssh-keygen -R < host >

//that mean

ssh-keygen -R


Hope it can help you.