How to Install Jenkins on MacOS

Jenkins is an open-source automation server to build, test, and deploy software applications. It is a popular tool in the DevOps world and is used to automate various tasks in the software development lifecycle.

Jenkins allows us to automate software application building, testing, and deploying by providing a platform to create and manage pipelinesA pipeline in Jenkins is a series of steps that are executed sequentially, each step representing a specific task in the software development lifecycle, such as building the code, running unit tests, and deploying the application..

Jenkins integrates with various tools and technologies, allowing us to use our preferred tools for building, testing, and deploying our applications. It also provides a wide range of plugins that extend its functionality and allow us to customize our pipelines to meet our specific needs.

Jenkins is available on different operating systems, including Windows, Linux, and macOS. Let's get into how to install it on MacOS.

The process is of three steps:

  1. Installing Homebrew

  2. Installing Java

  3. Installing Jenkins

Installing Homebrew

First, let's check whether Homebrew is already installed on our system. Enter the following command in the terminal:

brew --version
Checking if Homebrew is on our system

If it's already installed, the console will display the current version.

If we don't have Homebrew on our system, enter the following command to add it:

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
Adding Homebrew to our system

The installation will look like the following:

Terminal output of installing Homebrew
Terminal output of installing Homebrew

Installing Java

Similarly to before, let's check whether we have Java in our system:

java -version
Checking if Java is on our system

If it's already installed, the console will display the current version.

If it's not, enter the following command in the terminal to add it to our system:

brew install java
Installing Java using Homebrew

The output would look similar to the following:

Terminal output of installing Java
Terminal output of installing Java

Installing Jenkins

Now that we have both Homebrew and Java on our system, we can install Jenkins. Enter the following command in the terminal:

brew install jenkins-lts
Installing Jenkins using Homebrew

This installation will take a while, but the output should look like the following:

Terminal output for installing Jenkins
Terminal output for installing Jenkins

Now, we should have the latest version of Jenkins installed on our system.

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