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setting-up-multiple-ssh-keys.md

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Setting up multiple SSH keys on one computer

  1. Change directory into SSH key is in ~/.ssh
  2. Generate 2 keys: ssh-keygen -t rsa -C "email" (second key will try to overwrite, give it another name)
  3. Create config in ~/.ssh/config with the following content:
Host gitlab.com-erudinsky
     HostName gitlab.com
     PreferredAuthentications publickey
     IdentityFile ~/.ssh/id_rsa

# personal                                                                                                                                                
Host gitlab.com-evgenyrudinsky
     HostName gitlab.com
     PreferredAuthentications publickey
     IdentityFile ~/.ssh/id_rsa_personal
  1. Add keys to your GitHub/GitLab/ADO/YourChoice platform
  2. If run into "Too Open" permissions issue, fix: chmod 600 ~/.ssh/id_rsa
  3. Clone the repo replacing base url with what is in the Host value, like this:

Original: git@github.com:erudinsky/cheat-sheets.git New: git@gitlab.com-erudinsky:erudinsky/cheat-sheets.git

gitlab.com <=> gitlab.com-erudinsky

This should be then stored in .git/config file of the repo and next time when you do git pull or git push or any other operations with repo it should just work picking correct private key to match the public key on the git server!