How to find Jenkins version in Linux?

Finding Jenkins Version in Linux: A Step-by-Step Guide

Introduction

Jenkins is a popular open-source continuous integration and continuous deployment (CI/CD) server that helps automate the build, test, and deployment process of software projects. With its vast array of plugins and integrations, Jenkins is widely used in various industries, including software development, DevOps, and IT. In this article, we will guide you through the process of finding the Jenkins version in Linux.

Step 1: Check the Jenkins Installation

Before we dive into finding the Jenkins version, let’s first check if Jenkins is installed on your Linux system. Here are the steps to follow:

• Open a terminal and type jenkins to check if Jenkins is installed.
• If Jenkins is installed, you will see a message indicating that it is running.
• If Jenkins is not installed, you can install it using the package manager of your Linux distribution.

Step 2: Check the Jenkins Configuration

Once Jenkins is installed, let’s check its configuration to find the version. Here are the steps to follow:

• Open the Jenkins configuration file using a text editor. The configuration file is usually located at /etc/jenkins/jenkins.conf.
• Look for the version property in the configuration file. This property is used to display the Jenkins version.
• The Jenkins version is displayed in the format Jenkins/ followed by the version number.

Step 3: Check the Jenkins Logs

Another way to find the Jenkins version is by checking the Jenkins logs. Here are the steps to follow:

• Open a terminal and type jellyfish to check the Jenkins logs.
• If you are using a Linux distribution that has a jellyfish command, you can use it to check the Jenkins logs.
• If you are using a different Linux distribution, you can use the jconsole command to check the Jenkins logs.

Step 4: Check the Jenkins Plugin

Jenkins plugins can also provide information about the Jenkins version. Here are the steps to follow:

• Open the Jenkins plugin manager by typing pluginManager in the terminal.
• Look for the plugin that provides information about the Jenkins version.
• The plugin will display the Jenkins version in the format Plugin Name/ followed by the version number.

Step 5: Check the Jenkins Configuration File

Another way to find the Jenkins version is by checking the Jenkins configuration file. Here are the steps to follow:

• Open the Jenkins configuration file using a text editor.
• Look for the version property in the configuration file.
• The Jenkins version is displayed in the format Jenkins/ followed by the version number.

Table: Jenkins Version Format

Property	Format
Jenkins/	Jenkins/
Jenkins/1.0	Jenkins/1.0
Jenkins/2.0	Jenkins/2.0
Jenkins/3.0	Jenkins/3.0

Conclusion

Finding the Jenkins version in Linux is a straightforward process that can be completed in a few steps. By checking the Jenkins installation, configuration, logs, and plugins, you can determine the version of Jenkins installed on your Linux system. The Jenkins version is displayed in the format Jenkins/ followed by the version number.

Tips and Variations

• If you are using a Linux distribution that does not have a jellyfish command, you can use the jconsole command to check the Jenkins logs.
• If you are using a different Linux distribution, you can use the pluginManager command to check the Jenkins plugin.
• You can also use the javadoc command to view the Jenkins documentation and learn more about the Jenkins version.
• If you are using a Jenkins server, you can use the jconsole command to check the server’s configuration and version.

By following these steps and tips, you can easily find the Jenkins version in Linux and ensure that your Jenkins server is running with the latest version.