Jenkins on Ubuntu 22.04.1 LTS

Jenkins is a free automation server built with Java, designed to streamline the continuous integration and delivery (CI/CD) workflows in software projects. It provides tools to build, test, and deploy applications efficiently.Below, I will describe the steps to install Jenkins on AWS.

Step 1 — Create an EC2 instance

: AWS EC2

Step 2 - Choose: “Launch Instance” to begin the process of creating an EC2 instance

: AWS EC2

Step 3 - Give the instance a name and select machine (in this example: Ubuntu)

: AWS EC2

Step 4 - Choose machine image and select exinting or create new key pair

: AWS EC2

Step 5 - In the network settings, you can select an existing security group or create a new one as shown in the image below:

: AWS EC2

Step 6 - Select: Launch instance

: AWS EC2

Step 7 - Connect your EC2 instance using ssh

After the instance has been created. It’s time to connect it using ssh. Before connecting to the Ec2 instance using SSH, you must ensure that your downloaded private key is not publicly viewable.

chmod 400 ~/.ssh/<name_of_your_key>.pem

Step 8 - Install Java

First update your system instance:

sudo apt-get update && sudo apt-get upgrade -y

and install Java:

sudo apt install openjdk-17-jdk -y

: Java version

Step 9 - Install maven

sudo apt install maven -y

: Maven version

Step 10 - Jenkins setup

Add Repository key to the system

curl -fsSL https://pkg.jenkins.io/debian/jenkins.io-2023.key | sudo tee \
  /usr/share/keyrings/jenkins-keyring.asc > /dev/null

Append debian package repo address to the system

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

Update Ubuntu package

sudo apt update

Install Jenkins

sudo apt install jenkins -y

Step 11 - Configure security group

To access Jenkins on the client we need to allow inbound traffic on PORT 8080 in the AWS security group.

: Edit roules

: Add new one ...

Step 12 - Access the Jenkins web interface

To access Jenkins, go to your web browser and enter your public IPV4 address followed by :8080

: Jenkins web interface - admin password

Step 13 - Select install suggested plugins

: Jenkins web interface - customize Jenkins

Step 14 - Create an admin user by filling in the required information

: Jenkins web interface - admin password

Step 15 - Choose: Save and finish

: Jenkins web interface - setup complition

: Jenkins web interface - base interface

Conclusion

In this tutorial, you have learned how to run an EC2instance, install Jenkins on the EC2 instance. Jenkins is a powerful tool for automating various parts of the software development lifecycle.

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