Tag Archives: ssh

“Unable to negotiate SSH” after “upgrade”

If you update to Ubuntu LTS (version 22.04), you will want this in your .ssh/config: Failure to do that gets you this: The dear old NSA of the USA is gently shoving everyone away from effective cryptography towards backdoored nonsense, … Continue reading

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WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!

If you use ssh for a while, you are sure to get this message sooner or later: WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!. This means more or less what it says – the machine formerly known as somemachine suddenly smells … Continue reading

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