SSH integration between Jenkins & GitHub | Jenkins GitHub Integration using SSH Keys |Jenkins GitHub

https://www.coachdevops.com/2021/06/how-to-integrate-jenkins-github-using.html
Support for password authentication was removed on August 13, 2021. Please use a personal access token or SSH keys instead

We will see how to connect to GitHub from Jenkins using SSH keys instead of using user name and password. It is also a good practice to use SSH keys in Jenkins jobs instead of using user name and password.

Create SSH keys in your Jenkins EC2 instance

ssh-keygen

enter four times. this will create keys in .ssh folder.

Copy and paste the public key
sudo cat ~/.ssh/id_rsa.pub

Add public Keys into your respective GitHub
Add Private Keys in Jenkins Master
Choose that keys in Jenkins Job