20 Nov 2015, 12:06

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I upgraded to El Capitan on my Mac and it all went smoothly apart from one hitch. When pulling or pushing to Github I would get the following error: key_load_public: invalid format. Everything worked but opaque error messages are annoying.

I tried googling and all I found was this article. It seemed to solve the issue but I didn’t like the solution, mainly because it didn’t help me understand the problem! So I persevered and ignored the message, until it became too annoying.

After more investigation it turns out it was caused by my public key: ~/.ssh/id_rsa.pub, somehow it been corrupted during the upgrade. The good news is you can regenerate it easy enough with ssh-keygen like so:

  ssh-keygen -f ~/.ssh/id_rsa -y > ~/.ssh/id_rsa.pub

And now I don’t get key_load_public: invalid format messages anymore. Happy days.

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