How to set ssh public key in git

How to set up an SSH public key using Git

Step 1: Generate SSH key pair

Use the following command to generate an SSH key pair:

 <code>ssh-keygen -t rsa -b 4096</code>

This command will prompt you for the location and password of the key file (optional).

Step 2: Add public key to SSH proxy

To authenticate with a key, it needs to be added to the SSH proxy. In most cases, this can be done by:

• Mac and Linux:

   <code>eval "$(ssh-agent -s)" ssh-add ~/.ssh/id_rsa</code>

• Windows (using Git Bash):

   <code>start-ssh-agent ssh-add ~/.ssh/id_rsa</code>

Step 3: Add the public key to GitLab or GitHub

• Visit the GitHub or GitLab website and navigate to your account page.
• In the SSH and GPG Keys section, click the New SSH Keys button.

• Paste the SSH public key into the provided text area. The public key can usually be found in the following ways:

   <code>cat ~/.ssh/id_rsa.pub</code>

Step 4: Verify SSH connection

To verify that the SSH connection is set up correctly, try cloning or pushing the repository. If successful, you will see the following message:

 <code>Host key fingerprint is ... Warning: Permanently added 'github.com' (ECDSA) to the list of known hosts.</code>

hint:

• Ensure the security of the key pair and keep the private key confidential.
• Periodically check for added SSH keys and delete keys that are no longer in use.
• If you encounter any problems, please refer to the official Git documentation or seek community support.

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