Jenkins Terms

• Project:
  • Set of Steps to be scheduled multiple times.
  • Internally every project stored as XML file.
  • This file gets stored in Jenkins-Home directory
• Build :
  • Project when executed is generally considered to be build.
  • Each build for a project will have unique running number.
• Master:
  • Jenkins Server is Master
• Node:
  • All the other server which are added to Jenkins Master are nodes.
• JENKINS HOME:
  • All the information about jenkins is stored in this directory
  • The default path is ~/.jenkins
  • In specific linux installations path can be different.
  • To know about Jenkins Home, Jenkins uses an environment Variable called JENKINS_HOME

Simulating any Jenkins Job Execution

• Login into the Jenkins master
• Become Root user

sudo -i

• Switch to jenkins user

su jenkins

• Execute commands

whoami
pwd
sudo apt-get update

Exercise

• Create a simple Free Style Jenkins Project to display environmental variables, Username and list the contents of home directory

set
whoami
ls ~