Jenkins is an open-source automation server that can be used to easily set up continuous integration and continuous delivery (CI/CD) pipelines.

Continuous integration (CI) is a DevOps practice in which team members regularly commit their code changes to the version control repository, after which automated builds and tests are run. Continuous delivery (CD) is a series of practices where code changes are automatically built, tested, and deployed to production.

Jenkins can be installed as a standalone application, as a servlet in a Java servlet container such as Apache Tomcat or can be run as a Docker container.

This article explains how to install Jenkins on Ubuntu 20.04 as a standalone service.

Installing Java

Jenkins is a Java application and requires Java 8 or later to be installed on the system. We’ll install OpenJDK 11 , the open-source implementation of the Java Platform.

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