Jenkins is an open source automation server which enables developers around the world to reliably build, test, and deploy their software.
Jenkins is an open source continuous integration/continuous delivery and deployment (CI/CD) automation software DevOps tool written in the Java programming language. It is used to implement CI/CD workflows, called pipelines.
Official website:
Setup Jenkins:
  • Install Java development kit(JDK)
  • Download and install Jenkins
  • Run Jenkins on localhost 8080
  • Jenkins Interface
  • Build and run jobs on Jenkins
  • Jenkins -Master and Slave
  • Jenkins Pipeline

Before installing Jenkins, we need to install the jdk first.

apt update

apt install openjdk-11-jdk

check the java version by running the below command

root@APP1:~# java -version
openjdk version “11.0.16” 2022-07-19
OpenJDK Runtime Environment (build 11.0.16+8-post-Ubuntu-0ubuntu118.04)
OpenJDK 64-Bit Server VM (build 11.0.16+8-post-Ubuntu-0ubuntu118.04, mixed mode, sharing)

run the below commands to install the jenkins:

 curl -fsSL | sudo tee \
    /usr/share/keyrings/jenkins-keyring.asc > /dev/null

 echo deb [signed-by=/usr/share/keyrings/jenkins-keyring.asc] \ binary/ | sudo tee \
    /etc/apt/sources.list.d/jenkins.list > /dev/null

 sudo apt-get update
  sudo apt-get install fontconfig openjdk-11-jre
  sudo apt-get install jenkins

After installation , open the IP address with port number - 8080 in browser

Default password is exist in below path

cat /var/lib/jenkins/secrets/initialAdminPassword

After login, it will ask to create the user credentials.

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