How to solve Permission denied (publickey) error when using Git?

Question

I\'m on Mac Snow Leopard and I just installed git.

I just tried

git clone git@thechaw.com:cakebook.git

but that gives

Answer 1

More extensive troubleshooting and even automated fixing can be done with:

ssh -vT git@github.com

Source: https://help.github.com/articles/error-permission-denied-publickey/