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If you are seeing the following error when trying to install NodeJS, I have an easy solution for you. This is the error
Preparing to unpack .../nodejs_16.20.0-deb-1nodesource1_amd64.
This happens because in newer versions of the OpenSSH client the ssh-rsa key exchange algorithm (specifically the SHA1 signature - more info here) is no longer trusted by default.
If you are using