A little lost understanding how to use SSH key with Bitbucket

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I understand that SSH keys are a way to identify trusted computers, without involving passwords but:

Do I need a different key for every project? because Bitbucket keeps telling Someone has already registered that SSH key when (on the same machine) I try to use the key I generate with cat ~/.ssh/id_rsa.pub.

I don't know if this is a Bitbucket thing, don't remember having this issue with Github. I'm using Cloud9. I'm totally confused. Thanks.

asked 1 min ago

Labanino

396

A little lost understanding how to use SSH key with Bitbucket