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SSH.MD

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SSH

Key Generation

More information available here.

To generate a key (use ssh-keygen --help for help):

  • Start the SSH agent in the background: eval $(ssh-agent s-);
  • ~ ssh-keygen -t <encryption-protocol> -b <bits> -C <comment>;
  • Select the output file and directory;
  • Enter a passphrase.

WARNING: It is important to choose a secure passphrase. Your key is only as secure as your passphrase is.

Import / Export

  • Start the SSH agent in the background if it wasn't previously done: eval $(ssh-agent s-);
  • Add the key to your local SSH agent: ssh-add <output_path>/<output_file>;
  • Add the key to your GitHub account:
    • Copy the public key to your clipboard: clip < <output_path>/<output_file>.pub;
    • Navigate to your GitHub profile's settings;
    • In the user settings sidebar, click "SSH and GPG keys";
    • Click "New SSH key" or "Add SSH key";
    • Add a descriptive label for the SSH key title;
    • Paste the public key into the "key" field;
    • Click "Add SSH key";
    • Confirm the operation by entering your password.

If the git clone operation doesn't work with an SSH URL, one can clone via a HTTPS URL and update the url with the following command (must be inside the repository): git remote set-url origin git@github.com:[owner]/[repo].git

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