Multiple private keys with git

Github can’t add one ssh private key on multiple accounts. Therefore, I figure out what can I do with multiple private keys. Someone already answered this on SO. But, I take a note on the blog to remember and easier for my use case.


I want to use one private key on multiple Github accounts. Github does not allow it. The reason why I want to do this is, that I have two Github accounts. One for the office and one for the personal. Sometimes, I want to push some stuff to my own Github account. In this case, can not.


Use two different key pairs and configure with ssh config. Just like the following…


# Default GitHub
  User git
  IdentityFile ~/.ssh/id_rsa

Host github-personal
  User git
  IdentityFile ~/.ssh/id_rsa_personal

As per the config, the default one will be ~/.ssh/id_rsa. You don’t need to do anything to use the default one. But, if you want to use a personal one, you have to set the remote URL of the repo to something like the following…

git remote set-url origin github-personal:setkyar/repo-name.git

That’s it. Short note for my future self.

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