Installing on Linux in Jenkins - Try It Yourself

Installing Jenkins on Linux

📖 Scenario: You are setting up a Jenkins server on a Linux machine to automate software builds and deployments. Jenkins requires installation and configuration before use.

🎯 Goal: Learn how to install Jenkins on a Linux system step-by-step using command line instructions.

📋 What You'll Learn

Use the official Jenkins repository to install Jenkins

Install Java OpenJDK 11 as a prerequisite

Start and enable the Jenkins service

Check the Jenkins service status

💡 Why This Matters

🌍 Real World

Installing Jenkins on Linux is a common task for setting up continuous integration servers in software development environments.

💼 Career

Knowing how to install and configure Jenkins is essential for DevOps engineers and system administrators to automate build and deployment pipelines.

1

Install Java OpenJDK 11

Run the command sudo apt-get update to update package lists, then install Java OpenJDK 11 using sudo apt-get install -y openjdk-11-jdk.

Jenkins

# Update package lists and install Java OpenJDK 11
# Your code here

Need a hint?

Jenkins requires Java. Use apt-get commands to update and install Java OpenJDK 11.

2

Add Jenkins Repository and Key

Add the Jenkins repository key using wget -q -O - https://pkg.jenkins.io/debian-stable/jenkins.io.key | sudo apt-key add - and add the Jenkins repository with sudo sh -c 'echo deb https://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list'.

Jenkins

sudo apt-get update
sudo apt-get install -y openjdk-11-jdk
# Add Jenkins repository key and repository
# Your code here

Need a hint?

Use wget to download the Jenkins key and add the Jenkins repository to your system.

3

Install Jenkins Package

Update package lists again with sudo apt-get update and install Jenkins using sudo apt-get install -y jenkins.

Jenkins

sudo apt-get update
sudo apt-get install -y openjdk-11-jdk
wget -q -O - https://pkg.jenkins.io/debian-stable/jenkins.io.key | sudo apt-key add -
sudo sh -c 'echo deb https://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list'
# Update package lists and install Jenkins
# Your code here

Need a hint?

After adding the Jenkins repository, update package lists again and install Jenkins.

4

Start and Check Jenkins Service

Start Jenkins service with sudo systemctl start jenkins, enable it to start on boot with sudo systemctl enable jenkins, and check its status using sudo systemctl status jenkins.

Jenkins

sudo apt-get update
sudo apt-get install -y openjdk-11-jdk
wget -q -O - https://pkg.jenkins.io/debian-stable/jenkins.io.key | sudo apt-key add -
sudo sh -c 'echo deb https://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list'
sudo apt-get update
sudo apt-get install -y jenkins
# Start Jenkins service, enable it, and check status
# Your code here

Need a hint?

Use systemctl commands to start, enable, and check Jenkins service status.