Jenkins-class

What is Jenkins?

• It is an Open-source CI/CD engine.
• It is simple scheduler which internally calls/executes linux or windows commands.
• It was designed for CI/CD.
• When you install Jenkins, a new user gets created.Whatever you do in Jenkins will be run as Jenkins user.

Things to keep in mind while working with Jenkins

• Ensure all the environmental variables like PATH,JAVA_HOME,PYTHON_HOME, etc are defined correctly.
• Ensure the software that you are going to use is correctly installed and configured.
• Ensure user have all necessary permissions.

Installation

• Refer this page for installation steps.

Run with Docker

With the help of Docker, you don't need to follow long installation steps.

• First install Docker, Follow this steps for Docker installation.

• Run below command for pulling latest Jenkins image from Docker hub.

    docker pull jenkins/jenkins:lts

• Now run below command to run jenkins on port 8082.

  docker container run -p 8082:8080 jenkins/jenkins:lts
  
  

• Go to port 8082 and you will see below screen.

  

It's the starting screen of Jenkins. It will ask you for the administrator password, which is already present in your terminal. I already marked it for you.