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Putty Couldn't Agree a Host Key Algorithm
Posted by Will Kruss on 22 June 2022 05:09 PM

If you try to connect to a modern version of Linux (for example Ubuntu 22), and receive the error "Couldn't agree a host key algorithm", such as:

This is because your version of Putty is too old. Please update your version of Putty at the Putty official website at: https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html

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