guumaster/HOWTO.md

Created February 23, 2019 19:00

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Multiple SSH Keys for Github

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How to manage two Github users

If you want to have repos from two different Github users on the same machine, follow this steps:

Generating a new SSH key
- IMPORTANT: save your id_rsa to a different file, ex: id_rsa_second_user
Adding the new SSH key to GitHub
Add an alias to your ssh config editing $HOME/.ssh/config:

Host second-user-github
    HostName github.com
    PreferredAuthentications publickey
    IdentityFile ~/.ssh/id_rsa_second_user

Test both your connections with these commands:

$> ssh -T [email protected]
Hi <NORMAL_USER>! You've successfully authenticated, but GitHub does not provide shell access.

$> ssh -T git@second-user-github
Hi <SECOND_USER>! You've successfully authenticated, but GitHub does not provide shell access.

Now you are ready to clone repos with the second user. Remember to change the repo url when you clone it:

# Normal repo url: [email protected]:USERNAME/REPO_NAME.git
# Replace to: git@second-user-github:USERNAME/REPO_NAME.git

$> git clone git@second-user-github:USERNAME/REPO_NAME.git

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