Install Jenkins in offline mode on CentOS / RHEL

There are times when you would need to do an offline installation of the Jenkins. This may be to meet certain requirements of the workplace that you are operating in. I came across this issue some time back and internet is woefully out of articles for proper steps on this one. In this blog post, we’ll learn how to do an offline installation of Jenkins.

Install OpenJDK Java

First, we need to check what version of java is installed on the machine using:
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Configuring SSH authentication between GitHub and Jenkins

In one of the previous blog post, we have discovered how to build GitHub project using Jenkins. In that post, since it was a public repository, we did not tried to authenticate to GitHub. Here, we’ll cover how to use SSH keys to authenticate to GitHub repos. This applies to both public and private source code repositories.

For this post’s purposes, we’ll use a sample source code repository at You can use any repository on which you have required access. …Continue Reading

Build GitHub Project using Jenkins

Build jobs are at the heart of Jenkins. These days GitHub has become an excellent choice for keeping source code repositories due to its features. In this blog post, we’ll cover steps required to build a GitHub project using Jenkins.

To start with, login into Jenkins admin console and go to Manage Jenkins -> Manage Plugins -> Available and then search for GitHub Plugin:

Select and Install GitHub Plugin.JPG
Select and Install GitHub Plugin

This may install other dependent plugins required for it to work …Continue Reading