Fatal: The remote end hung up unexpectedly

Question

I am working through the "Try Git" tutorial.

When I get to the chapter "1.11 Pushing Remotely", and try to run:

$ git push -u orgin master

I get this error:

Permission denied (publickey).
fatal: The remote end hung up unexpectedly

Any ideas?

Solution

You've probably not added a public key to your SSH keys. Do that:

$ ssh-keygen -t rsa

Copy the created public key (id_rsa.pub) to your account's list of SSH keys, then try pushing again.

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See the relevant help page: Generating SSH Keys for a more in-depth response.