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Git GitHub Add SSH


Copy the SSH Public Key

In the previous chapter, we created an SSH key pair.

Now we will use the clip < command to copy the public key to our clipboard:

Example

clip < /Users/user/.ssh/id_rsa.pub

Go to GitHub, navigate to the top left corner, click your profile, and select: Settings:

GitHub Profile Settings

Then select "SSH and GPG keys". and click the "New SSH key" button:

GitHub Profile Settings SSH

Select a title, and paste the public SSH key into the "Key" field, and click "Add SSH Key":

GitHub Profile Settings SSH Add Key

You will be prompted to supply your GitHub password.

You will see your new SSH key added:

GitHub Profile Settings SSH Added Key


Test SSH Connection to GitHub

Now we can test our connection via SSH to GitHub:

Example

ssh -T git@github.com
The authenticity of host 'github.com (140.82.121.3)' can't be established.
RSA key fingerprint is SHA256:nThbg6kXUpJWGl7E1IGOCspRomTxdCARLviKw6E5SY8.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added 'github.com,140.82.121.3' (RSA) to the list of known hosts.
Hi w3schools-test! You've successfully authenticated, but GitHub does not provide shell access.

If the last line contains your username on GitHub, you are successfully authenticated!


Add New GitHub SSH Remote

Now we can add a new remote via SSH to our Git.

First, get the SSH address from our repository on GitHub:

GitHub Get SSH Code

Then use that address to add a new origin:

Example

git remote add ssh-origin git@github.com:w3schools-test/hello-world.git

Note: You can change a remote origin from HTTPS to SSH with the command: git remote set-url remote-name git@github.com:username/repository.git

Example

git remote set-url origin git@github.com:w3schools-test/hello-world.git

Test Yourself With Exercises

Exercise:

Add a new remote named ssh-origin connecting to x/y.git on abc.com using SSH:

git   ssh-origin git@:x/y.git

Start the Exercise


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