How to Install Jenkins in Mac OS

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How to Install Jenkins in Mac OS

Here's a simple step-by-step guide to install Jenkins on macOS:

Step 1: Install Homebrew (if not already installed)

Homebrew makes installing packages easy.

  • Open Terminal and run:

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

  • After installation, verify:

    brew --version

Step 2: Install Java (JDK)

Jenkins needs Java.

  • Install OpenJDK (example: JDK 11):

    brew install openjdk@11

  • Link Java to your system:

    brew link --force --overwrite openjdk@11

  • Verify Java version:

    java -version

    (You should see Java 11 or higher.)

Step 3: Install Jenkins

  • Install Jenkins using Homebrew: 
    brew install jenkins-lts
    (LTS = Long-Term Support version, stable.)

Step 4: Start Jenkins

  • To start Jenkins manually:

    brew services start jenkins-lts

  • Jenkins will now start automatically in the background.

Step 5: Access Jenkins

  • Open your browser and go to:

    http://localhost:8080

  • It will ask for the initial Admin Password.

  • Find the password by running:

    cat /Users/$(whoami)/.jenkins/secrets/initialAdminPassword

  • Copy the password and paste it in the browser.

Step 6: Finish Jenkins Setup

  1. Install Suggested Plugins (recommended for beginners).
  2. Create your Admin User.
  3. Start using Jenkins Dashboard.


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