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Top 30 DevOps Interview Questions and Answers for 2021

Non-functional testing, on the other hand, is a type of testing that evaluates the non-functional aspects of a system, such as performance, security, reliability, scalability, and usability. It ensures that the software is not only functional, but also meets the performance, security, and other quality criteria required by the user. Playbooks are Ansible’s configuration, deployment, and orchestration language. They can describe a policy you want your remote systems to enforce, or a set of steps in a general IT process. Playbooks are designed to be human-readable and are developed in a basic text language. At a basic level, playbooks can be used to manage configurations of and deployments to remote machines.

  • Then Git bisect picks a commit between those two endpoints and asks you whether the selected commit is “good” or “bad”.
  • Containerization helps in setting an identical environment quickly, and it will provide easy access to operating system resources.
  • If you’re on the hunt for a DevOps job, you’re probably wondering what the interview process is like and what kind of interview questions employers might ask.
  • Foodcritic is an open-source tool used to detect common problems in our cookbooks like style, syntaxes, best practices, correctness etc.
  • In order to create a backup of Jenkins setup, copy the JENKINS_HOME directory.

In order to prevent problems in step-switching in the Software delivery life-cycle and to allow Development teams to receive immediate feedback, every build is continually tested in this manner. This results in a significant increase in speed in a developer’s productivity as it eliminates the requirement for re-running all the tests after each update and project re-building. Before talking about the growing popularity of DevOps, discuss the current industry scenario. Begin with some examples of how big players such as Netflix and Facebook are investing in DevOps to automate and accelerate application deployment and how this has helped them grow their business. Using Facebook as an example, you would point to Facebook’s continuous deployment and code ownership models and how these have helped it scale up but ensure the quality of experience at the same time.

Explain what is “file” resource in Chef and how it differs from “cookbook_file” resource  and “template” resource in Chef?

A) The chef_handler resource is used to enable handlers during a chef-client run. A) Use the chef_gem resource to install a gem only for the instance of Ruby that is dedicated to the chef-client. When a gem is installed from a local file, it must be added to the node using the remote_file or cookbook_file resources.

Boost Your DevOps Skills with 2600+ Hands-On Exercises from … – Medium

Boost Your DevOps Skills with 2600+ Hands-On Exercises from ….

Posted: Sun, 06 Aug 2023 07:00:00 GMT [source]

On the other hand, when you combine Recipes, you get a Cookbook that is easily manageable as compared to a Recipe. Once the resources are grouped, it gets converted into a Recipe to describe the working configuration and the policy. Using the Recipe, you can get all the necessary elements to configure a specific system. A) There are many benefits of using devops, explain about your devops experience. A) jclouds-chef plugin adds Java and Clojure components to the Chef server API REST API. A) Use the driver create subcommand to create a new Kitchen driver in the RubyGems project.

Explain kitchen test, kitchen converge and kitchen verify commands

This helps the DevOps team to increase productivity and which directly impacts revenue. If you have the above skills, then you are ready to start preparing for your DevOps interview! If not, don’t worry – our DevOps chef certification devops certification training will help you master DevOps. The knife ssl check subcommand is run to verify the state of the SSL certificate and to use the response to help troubleshooting issues that might be present.

devops chef interview questions

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