jenkins-ec2-28-sep-2022.txt

    ################        JENKINS ON EC2-UBUNTU   COMMANDS         ########################

    ---> sudo apt-get update -y      #updates ubuntu server

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

    ---> sudo sh -c 'echo deb http://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list'   #add package repository
    
    ---> sudo apt update   #update 
    
    ---> sudo apt install default-jre       #installs java dependency

    ---> sudo apt install jenkins -y         #install jenkins

    ---> sudo systemctl start jenkins
    ---> sudo systemctl status jenkins    #starts jenkins service

    ---> sudo ufw allow 8080           #allows jenkins port

    ---> sudo ufw status                # to check status

    ---> sudo ufw allow OpenSSH sudo ufw enable
    ---> sudo ufw enable                                  #if ubuntu firewall is inactive use this commands 

    ---> sudo cat /var/lib/jenkins/secrets/initialAdminPassword     #for jenkins initialAdminPassword

    ---> enable security group open 8080 in console



##################       AMAZON EC2-LINUX       ################################3333

Ensure that your software packages are up to date on your instance by uing the following command to perform a quick software update:

---> sudo yum update –y

Add the Jenkins repo using the following command:

---> sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo

Import a key file from Jenkins-CI to enable installation from the package:

---> sudo rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io.key
---> sudo yum upgrade

Install Java:

---> sudo amazon-linux-extras install java-openjdk11 -y

Install Jenkins:

---> sudo yum install jenkins -y

Enable the Jenkins service to start at boot:

---> sudo systemctl enable jenkins

Start Jenkins as a service:

---> sudo systemctl start jenkins

---> sudo cat /var/lib/jenkins/secrets/initialAdminPassword            #initialAdminPassword