The Best DevOps engineer Interview Questions and Answers

It is usually placed in the etc/ subdirectory of you Nagios installation (i.e. /usr/local/nagios/etc/). For this answer, first point out the basic difference Active and Passive checks. The major difference between Active and Passive checks is that Active checks are initiated and performed by Nagios, while passive checks are performed by external applications. They are useful for monitoring services that are Asynchronous in nature and cannot be monitored effectively by polling their status on a regularly scheduled basis. They can also be used for monitoring services that are Located behind a firewall and cannot be checked actively from the monitoring host. This is generally used in the management of memory in dynamic web applications by caching the data in RAM. This helps to reduce the frequency of fetching from external sources.

Resources are the basic units of any configuration management tool. A developer working with a current branch wants to switch to another branch to work on something else, but the developer doesn’t want to commit changes to your unfinished work. Git stash takes your modified tracked files and saves them on a stack of unfinished changes that you can reapply at any time. Test automation or manual testing Automation is the process of automating a manual procedure in order to test an application or system. Automation testing entails the use of independent testing tools that allow you to develop test scripts that can be run repeatedly without the need for human interaction. This is a method of continuous deployment that is commonly used to reduce downtime.

Top 10 Frequently Asked DevOps Interview Questions in 2022

As you can see, there is a lot to learn to be able to land a rewarding job in the field of DevOps—Git, Jenkins, Selenium, Chef, Puppet, Ansible, Docker, Nagios, and more. You can even check out our Post Graduate Program in DevOps designed in collaboration with Caltech CTME that enables you to prepare for a DevOps career. Nagios reads how to become a devops engineer the external command file and places the results of all passive checks into a queue for later processing. In passive checks, an external application checks the status of a host or service. Optional source code management system , like Subversion or CVS. In order to create a backup of Jenkins setup, copy the JENKINS_HOME directory.

By automating processes like software installation, and establishing and defining roles, users, and groups, the goal was to create a replicable environment. The IaC paradigm controls and monitors infrastructure settings in files rather than doing so manually or through graphical user interfaces. This enables a more flexible setup of the infrastructure and, more significantly, open tracking of modifications using a versioning system. While CI automates the build, continuous deployment and continuous delivery automate releases. Continuous integration forms the foundation for both continuous deployment and delivery.

DevOps Engineer Interview Questions for Freshres & Exp

The primary advantage of CI is that it shields the project team from a broad range of problems related to code integration, greatly accelerating the development cycle. Most interviewers and candidates know Jenkins, but if you don’t, please clarify at the very beginning of the interview that you are not using Jenkins and that you manage the deployments with other tools. Turing helps companies match with top-quality DevOps developers from across the world in a matter of days. Scale your engineering team with pre-vetted DevOps developers at the push of a button.

John Smith

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