Devops Jenkins Interview Questions and Answers Pdf

Jenkins Interview Questions

Simply employ modifications to Source Code Repository and Jenkins can automate the rest of the method for you with the aid of plugins. Therefore that delivers it a really valuable DevOps tool. There is a great opportunity that you find multiple Jenkins questions if you go for a DevOps job interview. Here are the common regularly asked Jenkins interview questions. we have raised certain questions after performing a bunch of research and after discussing with some DevOps Training experts who are directly concerned with the hiring process. Interested to grasp further about Jenkins…

Here SVR Technologies giving a list of 20 real-time Jenkins interview questions for freshers as well as experienced developers. Certain Jenkins questions were investigated in different software configuration management interviews. The list of interview questions on Jenkins will encourage you to solve your next Jenkins job interview.

1. What is Jenkins?
Answer: Jenkins is an apparent source device including plugin established for constant alliance purpose. The main functionality of Jenkins is to retain a record of the version controller system and to admit and observe a build system if variations occur. It controls the entire process and contributes reports and warnings to inform.

2. What is continuous integration?
Answer: within software growth, when many developers or crews are operating on various sections of the corresponding web application, we require to implement integration test by combining all modules. In sequence to do that an electronic method for every piece of code is executed on periodic bases so that all your code gets examined.

3. What is the requirement for using Jenkins?
Answer: To practice Jenkins you need
A source code container which is accessible, concerning instance, a Git container
A practical build script, example: A Maven script, indicated within the container.

4. What are the benefits of Jenkins?
Answer: Benefits of Jenkins are

In an integration platform, create crashes are cached
Toward every code commit develops to warning build report produces a warning
To admonition developers regarding build report progress or abortion, it is combined with LDAP mail server
Succeeds in constant integration of agile improvement and test-driven progress.
By easy steps, maven discharge project is electronic
Simple tracking of faults at an initial stage in a progressive atmosphere than production

5. Describe how to move or copy Jenkins from one server to another?
Answer: Drive a work from one installation of Jenkins to another by copying the relevant work directory.

By making the clone of a job directory by another name Create a copy of a previously existing job.
Renaming an existing job by renaming a directory.

6. What are the commands that are used to begin Jenkins manually?
Answer: To begin Jenkins manually, the commands used are either of the following
(Jenkin_url)/safe restart: Allows all running builds to complete
(Jenkins_url)/restart: Forces a restart without waiting for builds to complete
Jenkins Interview Questions

7. Discuss some of the valuable plugins in Jenkin?
Answer: Some of the significant plugins in Jenkin involves

HTML publisher
Copy artifact
Maven 2 project
Amazon EC2
Join
Green Balls

8. Describe how to deploy a custom build of a core plugin?
Answer: To deploy a custom field of a core plugin, these are the following things to do

Stop Jenkins
Tracing the custom HPI to $Jenkins_Home/plugins
Eliminate the previously expanded plugin directory
Make an empty file called .hpi.pinned
Start Jenkins

9. Demonstrate how to build a backup and copy files in Jenkins?
Answer: Jenkins preserves all the setting, build artifacts and logs in its home directory, to formulate a back-up of your Jenkins settings, simply copy this directory. And also copy a job directory rename the directory to replicate a job.

10. Define how to clone a Git repository via Jenkins?
Answer: Just enter the e-mail and username for your Jenkins system. For that, you need to switch to your job directory and execute the “git config” command with this you can clone a Git repository via Jenkins.