Hi@akhtar,
First you have to generate key using below command.
$ ssh-keygen
Then you have to upload the public key in GitHub.
$ cat /root/.ssh/id_rsa.pub
Then copy the key in GitHub.
![](https://www.edureka.co/community/?qa=blob&qa_blobid=18008445617943236636)
After adding just check using the below link
$ ssh -T git@github.com
Hope this will help you.
Thank You