remove host key under known_hosts
Normally after a server rebuild you will receive a warning that the host identification has changed
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@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @
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IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that a host key has just been changed.
One solution is to remove the offending host key
ssh-keygen -f "/home/chris/.ssh/known_hosts" -R ip-address-of-the-host
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