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Chef in DevOps is a configuration management tool that is recently competing with Puppet. The tool is mainly utilized by the organization having a large infrastructure. So, this is possible that interviewer may ask many questions related to Chef from you.
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Curious to know about Chef Interview questions answers for Fresher and experienced? Let us start with the discussion right away!
In the next section, you may check the Chef interview questions and answers for freshers and experienced. The list of questions has been prepared by our experts at JanBask Training after careful research. And their answers are also prepared based on personal experienced and after reading out multiple reference websites. SO, let us check out the questions answers one by one in the coming sections.
The Chef is powerful automation tool to transform the Company infrastructure into a well-structured code. With the help of Chef, you may write scripts that are further used to automate the business processes. Of course, the processes are somewhat related to IT.
The three major components of any Chef architecture include – Chef server, Chef workstation, and Chef server. They need to arrange in the same format as shown below in the diagram.
A Resource is used to represent a part of the infrastructure and its state, a package that you are interested in installing, a running service, or a file you are planning to create. Now, let us see the functions of resources in brief –
When resources are grouped together, it becomes a Recipe that describes the working configurations and policy. With a Recipe, you will get to know everything necessary to configure a particular system. Let us have a quick look at functions of Recipe –
A node is a virtual machine or a physical server that is an important part of the Chef architecture. It is basically used to execute any resource in Chef.
When resources are grouped together, it becomes a Recipe that describes the working configurations and policy. At the same time, when recipes are combined together, it becomes a cookbook and easy to manage as compared to a single recipe.
In case, an action for a Chef Resource is not defined then it will choose for the Default action. For example, both resources are the same as shown below in the screenshot. For Resource 1, an action is not defined still it will take the default action. At the same time, when you define the action with the ‘create’ command, it is also used to create the default action.
No, they are not the same. Remember that code is executed in the same way as it is written. For the Recipe 1, first the package is installed then the service will be created. At the same time, for Recipe 2, first the service is configured then the package is installed.
Yes, I know. You can use the code given below to stop or disable the httpd service.
DK is the workstation that allows users to interact with Chef. There are special tools available installed in the DK workstation space that can be used to make the interaction even better.
A repository is a storehouse in Chef that can be used to accommodate cookbooks, environments, roles, or data bags etc. The Chef repository further is synchronized with GIT, a version control system to make its performance even better.
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How can you be sure that right data is accessed among Chef server and the Chef client? To make sure, you need to establish a secure SSL connection and continue your work.
To validate the interaction between the node and the Chef server, signed header authentication is necessary.
With the help of run-list in chef, you can specify which Recipes needs to run and what should be the order of execution for Recipes.
To create the required configuration files in Chef, starter kids are necessary. It helps to define the clear information for each configuration file and easy interaction with the server. This is easy to download the starter kits and take it to the desired place on the workstation where you want to use them.
This is easy to update a cookbook in Chef and you can use any of the three methods given below based on your convenience –
To bootstrap in Chef, you need the following information as given below –
With this answer, the interviewer can get a clear idea of your understanding of Test Kitchen in Chef.
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It enables the cookbooks on the server and increases the development lifecycle too. Also, it helps you to create a variety of virtual machines in the cloud or locally.
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