How To Install Jenkins on Debian 9

r00t July 25, 2017

Install Jenkins on Debian 9

In this tutorial we will show you how to install Jenkins on your Debian 9 Stretch. For those of you who didn’t know, Jenkins is an open source continuous integration tool written in Java. Jenkins provides continuous integration services for software development. It is a server-based system running in a servlet container such as Apache Tomcat. It supports SCM tools including AccuRev, CVS, Subversion, Git, Mercurial, Perforce, Clearcase and RTC, and can execute Apache Ant and Apache Maven based projects as well as arbitrary shell scripts and Windows batch commands.

This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo’ to the commands to get root privileges. I will show you through the step by step installation Jenkins  on a Debian 9 (Stretch) server.

Install Jenkins on Debian 9 Stretch

Step 1. Before we install any software, it’s important to make sure your system is up to date by running these following apt-get commands in the terminal:

Step 2. Installing Java.

Jenkins requires a minimum of Java 7, but you can also install Java 8 which is recommended by Jenkins:

Verify Java installation by typing the command below:

Step 3. Installing Jenkins.

Add the key and source list to apt:

Create a sources list for Jenkins:

After the cache has been updated, start proceed installation Jenkins:

Start Jenkins service:

Jenkins will write log files to /var/log/jenkins/jenkins.log. You can also fine-tune the configuration.

Step 4. Configure Firewall for Jenkins.

Configure the firewall so that you can access Jenkins:

Step 5. Accessing Jenkins.

Jenkins will be available on HTTP port 8080 by default. Open your favorite browser and navigate to http://yourdomain.com:8080 or http://server-ip:8080 and complete the required the steps to finish the installation. If you are using a firewall, please open port 8080 to enable access to the control panel. Default installation password can be found at /var/lib/jenkins/secrets/initialAdminPassword as showing in below image.

Install Jenkins on Debian 9

Congratulation’s! You have successfully installed Jenkins. Thanks for using this tutorial for installing Jenkins on Debian 9 (Stretch) server. For additional help or useful information, we recommend you to check the official Jenkins web site.

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