Here's my issue. I have written a script that checks on all the machine that reported in that morning. Recently, we went to all SSH instead of the rlogin and telnet we used to use. While this broke ...
A team of academic researchers from universities in California and Massachusetts demonstrated that it’s possible under certain conditions for passive network attackers to retrieve secret RSA keys from ...
Most likely either the hostname or IP changed. Delete the existing key for that server from your client, reconnect, and accept the new key it offers.