Remove key from known_hosts

DerMeldos

Remove key from known_hosts file:

Open the terminal and type the following command:

For all examples below just replace the value after -R:

ssh-keygen -R server-name
ssh-keygen -R server.ip.addre.ss
ssh-keygen -R 202.54.1.5
ssh-keygen -R server1.example.com

Example Output:

root@AWX0708:~# ssh-keygen -R 10.196.0.1
# Host 10.196.0.1 found: line 8
# Host 10.196.0.1 found: line 9
# Host 10.196.0.1 found: line 10
/root/.ssh/known_hosts updated.
Original contents retained as /root/.ssh/known_hosts.old
root@AWX0708:~# ssh ansible@10.196.0.1