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Server refused out key problem in 22.04LTS. The same procedure works fine in 20.04LTS.

public key is in ~/.ssh/authorized_keys. change mode is correct.

cocomac
  • 3,824

1 Answers1

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The solution for me was to use ECDSA algorithm for creating the keypair.

You can create it with this command: ssh-keygen -t ecdsa -b 521 (521 is the maximum and recommended key size).

I learned this was needed from a comment in this DO article.

antishok
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