Jenkins is an open-source automation server written in Java.
Jenkins is an open-source automation server written in Java. It is used to automate all sorts of tasks such as building, testing, and deploying software. Jenkins is used by development teams to accelerate the software delivery process by automating tasks and providing visibility into the progress of projects. With Jenkins, teams can automate the process of building and testing software, as well as deploying it to production.
It can be used to manage and monitor applications, as well as to trigger the deployment of new versions of applications.
How to install and configure Jenkins
1. Download and install Jenkins
First, download the Jenkins installation package from the official Jenkins website. Once you have the package, you can use your package manager to install it.
For example, on Ubuntu, you can use the command:
sudo apt-get install jenkins
2. Start the Jenkins service
Once Jenkins is installed, you can start the Jenkins service by running the following command:
sudo service jenkins start
3. Access the Jenkins Web Interface
Once the Jenkins service is running, you can access the web interface by typing the following URL in your browser:
http://localhost:8080
4. Unlock Jenkins
When you first access the Jenkins web interface, you will be prompted to enter an administrator password. To retrieve the password, use the following command:
sudo cat /var/lib/jenkins/secrets/initial admin password
5. Install plugins
The next step is to install plugins to extend the functionality of Jenkins. You can install plugins either via the web interface or by manually downloading the plugins and placing them into the /var/lib/jenkins/plugins directory.
6. Create a user
Finally, you can create a user to access the Jenkins web interface. To do this, click on the “Manage Jenkins” link in the left-hand menu and then click on the “Manage Users” link. From there, you can add a new user and assign them the necessary privileges.
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