\u00a0<\/p>\n<\/p>\n
Jenkins is an open-source automation server used to automate the building, testing, and deployment of software projects. In this guide, we will walk you through the steps to install Jenkins on Ubuntu 22.04.<\/p>\n
Before installing Jenkins, it’s important to update your system’s package index. Run the following command to update and upgrade your system:<\/p>\n
sudo apt update && sudo apt upgrade<\/code><\/pre>\nStep 2: Install Java<\/h2>\n
Jenkins requires Java to run. You can install the OpenJDK package, which is the recommended Java distribution for Jenkins:<\/p>\n
sudo apt install openjdk-11-jdk<\/code><\/pre>\nOnce installed, verify the Java installation:<\/p>\n
java -version<\/code><\/pre>\nStep 3: Add the Jenkins Repository<\/h2>\n
Next, you need to add the Jenkins package repository to your system:<\/p>\n
wget -q -O - https:\/\/pkg.jenkins.io\/debian\/jenkins.io.key | sudo apt-key add -<\/code><\/pre>\nAdd the Jenkins repository to your system:<\/p>\n
sudo sh -c 'echo deb http:\/\/pkg.jenkins.io\/debian-stable binary\/ > \/etc\/apt\/sources.list.d\/jenkins.list'<\/code><\/pre>\nStep 4: Install Jenkins<\/h2>\n
After adding the repository, update the package list and install Jenkins:<\/p>\n
sudo apt update\r\nsudo apt install jenkins<\/code><\/pre>\nStep 5: Start and Enable Jenkins<\/h2>\n
Once installed, start the Jenkins service and enable it to start automatically at boot:<\/p>\n
sudo systemctl start jenkins\r\nsudo systemctl enable jenkins<\/code><\/pre>\nStep 6: Adjust the Firewall<\/h2>\n
If you are using a firewall, ensure that Jenkins can be accessed via port 8080<\/code>. Run the following command to allow traffic on this port:<\/p>\nsudo ufw allow 8080<\/code><\/pre>\nCheck the status of the firewall to ensure the rule has been added:<\/p>\n
sudo ufw status<\/code><\/pre>\nStep 7: Set Up Jenkins<\/h2>\n
Now that Jenkins is installed, you can complete the initial setup. Open your browser and go to http:\/\/your_server_ip:8080<\/code>. You will be prompted to enter the initial admin password, which can be found in the following file:<\/p>\nsudo cat \/var\/lib\/jenkins\/secrets\/initialAdminPassword<\/code><\/pre>\nCopy and paste the password into the setup wizard, then follow the on-screen instructions to complete the setup.<\/p>\n
Conclusion<\/h2>\n
You have successfully installed Jenkins on Ubuntu 22.04. Jenkins is now ready to automate your software development process by handling tasks such as building, testing, and deploying code.<\/p>\n
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