Step by Step instructions:
Step 1:
sudo apt-get update
When you run the sudo apt-get update command, the system will check for any updates available and update the package lists accordingly. This ensures that the system has the latest software and security updates.
Step 2:
sudo apt install openjdk-11-jre
When you enter the command sudo apt-get install openjdk-11-jdk in the terminal, the package manager apt-get will download and install the OpenJDK 11 JDK on your Linux system.
java -version
Step 3:
curl -fsSL https://pkg.jenkins.io/debian/jenkins.io-2023.key | sudo tee \
/usr/share/keyrings/jenkins-keyring.asc > /dev/null
echo deb [signed-by=/usr/share/keyrings/jenkins-keyring.asc] \
https://pkg.jenkins.io/debian binary/ | sudo tee \
/etc/apt/sources.list.d/jenkins.list > /dev/null
These two commands download the Jenkins package repository key, store it in a keyring file, and add the repository to the system's list of software sources so that the Jenkins package can be installed or updated via the package manager (apt-get).
Step 4:
sudo apt-get update
Step 5:
sudo apt-get install jenkins
When you enter the command sudo apt-get install jenkins in the terminal, the package manager apt-get will download and install the Jenkins software package on your Linux system. Once installed, you can access Jenkins in your web browser at http://localhost:8080 to start configuring and using it for your software development needs.
If you reached until this step that means you have successfully installed Jenkins on your OS.
After Installation:
Enable/Start your Jenkins Service and check the status
sudo systemctl start jenkins.service
sudo systemctl status jenkins
Access your Jenkins by using the below URL
URL: https://<localhost>:8080
Note: Replace localhost with your instance Public IP. In my case its 3.95.136.77.
You will land here once you hit the URL:
To get the Admin Password use the below command:
sudo cat /var/lib/jenkins/secrets/initialAdminPassword
copy the output and paste it in password section and hit Continue.
You will land here:
Click on Install suggested plugins
Once everything is becomes Green
Give the details and hit Save and Continue.
Jenkins is Ready Machi....
Dashboard looks like this:
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