Book Image

Learning Continuous Integration with Jenkins

By : Nikhil Pathania
Book Image

Learning Continuous Integration with Jenkins

By: Nikhil Pathania

Overview of this book

In past few years, Agile software development has seen tremendous growth across the world. There is huge demand for software delivery solutions that are fast yet flexible to frequent amendments. As a result, CI and continuous delivery methodologies are gaining popularity. Jenkins’ core functionality and flexibility allows it to fit in a variety of environments and can help streamline the development process for all stakeholders. This book starts off by explaining the concepts of CI and its significance in the Agile world with a whole chapter dedicated to it. Next, you’ll learn to configure and set up Jenkins. You’ll gain a foothold in implementing CI and continuous delivery methods. We dive into the various features offered by Jenkins one by one exploiting them for CI. After that, you’ll find out how to use the built-in pipeline feature of Jenkins. You’ll see how to integrate Jenkins with code analysis tools and test automation tools in order to achieve continuous delivery. Next, you’ll be introduced to continuous deployment and learn to achieve it using Jenkins. Through this book’s wealth of best practices and real-world tips, you'll discover how easy it is to implement a CI service with Jenkins.
Table of Contents (15 chapters)
Learning Continuous Integration with Jenkins
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
Index

Upgrading Jenkins


Jenkins has weekly releases that contain new features and bug fixes. There are also stable Jenkins releases called Long Term Support (LTS) releases. However, it's recommended that you always choose an LTS release for your Jenkins master server.

In this section, we will see how to upgrade Jenkins master server that is installed inside a container like Apache Tomcat and also a Jenkins standalone master server.

Note

It is recommended not to update Jenkins until and unless you need to. For example, upgrade Jenkins to an LTS release that contains a bug fix that you need desperately.

Upgrading Jenkins running on the Tomcat server

The following are the steps to upgrade Jenkins running on the Tomcat server:

  1. Download the latest jenkins.war file from https://jenkins.io/download/.

  2. You can also download Jenkins from the Manage Jenkins page, which automatically list the most recent Jenkins release. However, this is not recommended.

  3. From the Jenkins Dashboard, right-click on the Jenkins job...