Jenkins

enkins is a self-contained Java-based program, ready to run out-of-the-box, with packages for Windows, Mac OS X and other Unix-like operating systems. As an extensible automation server, Jenkins can be used as a simple CI server or turned into the continuous delivery hub for any project.

Installing on Azure/AWS/GCP:

Prerequisites

1. EC2 Instance / VM With Internet Access
2. Security Group with Port 8080 open for internet
3. Java 11 should be installed

Installation for Java 11:

sudo apt udpate
sudo apt-get install openjdk-11-jdk

Install Jenkins

wget -q -O - https://pkg.jenkins.io/debian-stable/jenkins.io.key | sudo apt-key add -

sudo sh -c 'echo deb https://pkg.jenkins.io/debian-stable binary/ > \
    /etc/apt/sources.list.d/jenkins.list'

sudo apt-get update && sudo apt-get install jenkins -y

Start Jenkins:

Start jenkins service

service jenkins start

# for Status:
service jenkins status

Setup Jenkins to start at boot,

sudo systemctl enable jenkins

Accessing Jenkins:

http://public-ip:8080

Configuring Jenkins

• The default Username is admin
• Grab the default password
• Password Location: /var/lib/jenkins/secrets/initialAdminPassword
• Skip Plugin Installation; We can do it later
• Change admin password
• Admin > Configure > Password
• Configure java path
• Manage Jenkins > Global Tool Configuration > JDK
• Create another admin user id

Test Jenkins Jobs

1. Create “new item”
2. Enter an item name – My-First-Project
   • Chose Freestyle project
3. Under the Build section Execute shell: echo “Welcome to Jenkins Demo”
4. Save your job
5. Build job
6. Check “console output”