Steps to Install Jenkins on M1/M2 Mac

Below are the steps to install Jenkins on your ARM-based M1/M2 Mac using Homebrew package manager.

1. Open Terminal application.
2. Make sure brew is installed on your Mac.

   % brew --version
   Homebrew 4.1.14

   If you get an error "zsh: command not found: brew" then make sure to install brew first.

   Steps to install Homebrew on Mac

3. Now we are good to install Jenkins.

   % brew install jenkins-lts

   Logs:

   % brew install jenkins-lts
   ==> Fetching dependencies for jenkins-lts: openjdk@17
   ==> Downloading https://ghcr.io/v2/homebrew/core/openjdk/17/manifests/17.0.8.1
   ############## 100.0%
   ==> Fetching jenkins-lts
   ==> Downloading https://ghcr.io/v2/homebrew/core/jenkins-lts/blobs/sha256:xx
   ############## 100.0%
   ==> Installing dependencies for jenkins-lts: openjdk@17
   ==> Installing jenkins-lts dependency: openjdk@17
   ==> Downloading https://ghcr.io/v2/homebrew/core/openjdk/17/manifests/17.0.8.1
   Already downloaded: /Users/dev/Library/Caches/Homebrew/downloads/xx--openjdk@17-17.0.8.1.bottle_manifest.json
   ==> Pouring openjdk@17--17.0.8.1.arm64_sonoma.bottle.tar.gz
   🍺  /opt/homebrew/Cellar/openjdk@17/17.0.8.1: 635 files, 305MB
   ==> Installing jenkins-lts
   ==> Pouring jenkins-lts--2.414.2.arm64_sonoma.bottle.tar.gz
   ==> Caveats
   Note: When using launchctl the port will be 8080.
   
   To start jenkins-lts now and restart at login:
     brew services start jenkins-lts
   Or, if you don't want/need a background service you can just run:
     /opt/homebrew/opt/openjdk@17/bin/java -Dmail.smtp.starttls.enable\=true 
   -jar /opt/homebrew/opt/jenkins-lts/libexec/jenkins.war --httpListenAddress\=127.0.0.1 --httpPort\=8080
   ==> Summary
   🍺  /opt/homebrew/Cellar/jenkins-lts/2.414.2: 8 files, 88.8MB
   ==> Running `brew cleanup jenkins-lts`...
   Disable this behaviour by setting HOMEBREW_NO_INSTALL_CLEANUP.
   Hide these hints with HOMEBREW_NO_ENV_HINTS (see `man brew`).
   ==> Caveats
   ==> jenkins-lts
   Note: When using launchctl the port will be 8080.
   
   To start jenkins-lts now and restart at login:
     brew services start jenkins-lts
   Or, if you don't want/need a background service you can just run:
     /opt/homebrew/opt/openjdk@17/bin/java -Dmail.smtp.starttls.enable\=true 
   -jar /opt/homebrew/opt/jenkins-lts/libexec/jenkins.war --httpListenAddress\=127.0.0.1 --httpPort\=8080

4. Now to start Jenkins we will run the below brew command.

   % brew services start jenkins-lts

   Logs:

   ==> Tapping homebrew/services
   Cloning into '/opt/homebrew/Library/Taps/homebrew/homebrew-services'...
   remote: Enumerating objects: 2547, done.
   remote: Counting objects: 100% (300/300), done.
   remote: Compressing objects: 100% (154/154), done.
   remote: Total 2547 (delta 173), reused 201 (delta 142), pack-reused 2247
   Receiving objects: 100% (2547/2547), 707.22 KiB | 954.00 KiB/s, done.
   Resolving deltas: 100% (1173/1173), done.
   Tapped 1 command (45 files, 881.0KB).
   ==> Successfully started `jenkins-lts` (label: homebrew.mxcl.jenkins-lts)