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Vagrant Interview Questions And Answers

April 19, 2021 comments off

1) What is Vagrant?

A) Vagrant is an open-source software product for building and maintaining portable virtual software development environments, e.g. for VirtualBox, Hyper-V, Docker, VMware, and AWS.

2) Vagrant is written in which language?

A) Vagrant is written in Ruby language.

3) What is a BOX in Vagrant?

A) A box is a packaged Vagrant environment, typically a virtual machine.

4) What is Provider in Vagrant?

A) A provider is the location in which the virtual environment runs. It can be local (the default is to use VirtualBox), remote, or even a special case like a Docker container.

5) What is Provisioner in Vagrant?

A) A provisioner is a tool to set up the virtual environment, and can be as simple as a shell script, but alternatively a more advanced tool like Chef, Puppet, or Ansible can be used.

6) What are the subcommands associated with Box command?

A) Box command used to manage (add, remove, etc.) boxes.

Command: vagrant box

The main functionality of this command is exposed via even more subcommands:

  • add
  • list
  • outdated
  • prune
  • remove
  • repackage
  • update

7) Explain Box Add Command in Vagrant?

A) Command: vagrant box add ADDRESS

This adds a box with the given address to Vagrant.

8) What is Box List command in Vagrant?

A) Command: vagrant box list

This command lists all the boxes that are installed into Vagrant.

9) What is Box Outdated command in Vagrant?

A) Command: vagrant box outdated

This command tells you whether or not the box you are using in your current Vagrant environment is outdated.

10) What is Box Prune command in Vagrant?

A) Command: vagrant box prune

This command removes old versions of installed boxes. If the box is currently in use vagrant will ask for confirmation.

Vagrant DevOps Interview Questions

11) What is Box Remove command in Vagrant?

A) Command: vagrant box remove NAME

This command removes a box from Vagrant that matches the given name.

12) What is Box Repackage command in Vagrant?

A) Command: vagrant box repackage NAME PROVIDER VERSION

This command repackages the given box and puts it in the current directory so you can redistribute it. The name, provider, and version of the box can be retrieved using vagrant box list.

13) What is Box Update command in Vagrant?

A) Command: vagrant box update

This command updates the box for the current Vagrant environment if there are updates available.

14) What is Connect command in Vagrant?

A) Command: vagrant connect NAME

The connect command complements the share command by enabling access to shared environments.

15) Destroy command in Vagrant

A) Command: vagrant destroy [name|id]

16) Global Status command in Vagrant

A) Command: vagrant global-status

17) What is Vagrant Share?

A) Vagrant Share allows you to share your Vagrant environment with anyone in the world, enabling collaboration directly in your Vagrant environment in almost any network environment with just a single command: vagrant share.
This command will tell you the state of all active Vagrant environments on the system for the currently logged in user.
This command stops the running machine Vagrant is managing and destroys all resources that were created during the machine creation process.

18) What is Vagrantfile?

A) The primary function of the Vagrantfile is to describe the type of machine required for a project, and how to configure and provision these machines.

19) What is Provisioning in Vagrant?

A) Provisioners in Vagrant allow you to automatically install software, alter configurations, and more on the machine as part of the vagrant up process.

20) What are Synced Folders in Vagrant?

A) Synced folders enable Vagrant to sync a folder on the host machine to the guest machine, allowing you to continue working on your project’s files on your host machine, but use the resources in the guest machine to compile or run your project.

Vagrant Tool Interview Questions And Answers

21) What is Multi-Machine environment in Vagrant?

A) Vagrant is able to define and control multiple guest machines per Vagrantfile. This is known as a “multi-machine” environment.

These machines are generally able to work together or are somehow associated with each other. Here are some use-cases people are using multi-machine environments for today:

Accurately modeling a multi-server production topology, such as separating a web and database server.
Modeling a distributed system and how they interact with each other.
Testing an interface, such as an API to a service component.
Disaster-case testing: machines dying, network partitions, slow networks, inconsistent world views, etc.

22) How do you define multiple machines in Vagrant?

A) Multiple machines are defined within the same project Vagrantfile using the config.vm.define method call.

23) What are Providers in Vagrant?

A) While Vagrant ships out of the box with support for VirtualBox, Hyper-V, and Docker, Vagrant has the ability to manage other types of machines as well. This is done by using other providers with Vagrant.

24) What are Plugins in Vagrant and how they assist?

A) Vagrant comes with many great features out of the box to get your environments up and running. Sometimes, however, you want to change the way Vagrant does something or add additional functionality to Vagrant. This can be done via Vagrant plugins.

25) What is Vagrant Push?

A) Vagrant is capable of deploying or “pushing” application code in the same directory as your Vagrantfile to a remote such as an FTP server.

Pushes are defined in an application’s Vagrantfile and are invoked using the vagrant push subcommand.

26) What is vagrant in DevOps?

A) DevOps is a lot more than configuration management.  Vagrant is another tool to help your organization transition to a DevOps culture. Vagrant also helps improve your entire workflow of using Puppet, improving development and process for both developers and operations.

27) What is a vagrant image?

A) The Vagrantfile has some information that will be merged into your Vagrantfile that is created when you run vagrant init boxname in a folder. The box-disk.vmdk is the virtual hard disk drive. The box.ovf defines the virtual hardware for thebox.

28) What is vagrant Linux?

A) Vagrant manages virtual machines hosted in Oracle VirtualBox, a full x86 virtualizer that is also open source (GPLv2). A virtual machine is a software implementation of a computer, running a complete operating system stack on a virtualizer. It is a full implementation of a computer with a virtual disk, memory and CPU.

29) What is vagrant virtualbox?

A) Vagrant comes with support out of the box for VirtualBox, a free, cross-platform consumer virtualization product. VirtualBox can be installed by downloading a package or installer for your operating system and using standard procedures to install that package.

30) What is Ansible and vagrant?

A) Vagrant is a tool to manage virtual machine environments, and allows you to configure and use reproducible work environments on top of various virtualization and cloud platforms. It also has integration with Ansible as a provisioner for these virtual machines, and the two tools work together well.

Rajesh Kumar
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