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Vagrant Explained in Plain English

Vagrant is a powerful tool that allows developers to easily create and manage virtual development environments. Whether you’re a beginner just getting started with Vagrant, or an advanced user looking to streamline your workflow, this guide will walk you through the basics of using Vagrant to create and manage virtual machines.

Getting Started with Vagrant

The first thing you’ll need to do to get started with Vagrant is to download and install it. You can download the installer for your operating system from the Vagrant website. Once you’ve installed Vagrant, you’ll also need to install a virtualization provider, such as Hyper-V, VirtualBox or VMware.

Once you have Vagrant and a virtualization provider installed, you can create a new Vagrant environment by running the following command in your terminal:

vagrant init

This will create a new Vagrantfile in the current directory. The Vagrantfile is a configuration file that tells Vagrant how to set up and configure your virtual machine.

Creating and Configuring a Virtual Machine

To create a new virtual machine, you’ll need to specify a base image to use. A base image is a pre-configured virtual machine that Vagrant will use as the foundation for your new virtual machine. There are many base images available on: Discover Vagrant Boxes – Vagrant Cloud (

To use the Ubuntu 20.10 image, you’ll need to add the following to your Vagrantfile: = "generic/ubuntu2010"

Once you’ve specified a base image, you can start your virtual machine by running the following command:

vagrant up

This will download the base image if it’s not already downloaded, and then start the virtual machine.

Managing Your Virtual Machine

Once your virtual machine is running, you can use Vagrant to manage it. Some of the most common tasks you’ll perform include:

  • SSHing into the virtual machine
  • Stopping and starting the virtual machine
  • Destroying the virtual machine

To SSH into the virtual machine:

vagrant ssh

To stop the virtual machine:

vagrant halt

To start the virtual machine again:

vagrant up

To destroy the virtual machine:

vagrant destroy

To restart the virtual machine:

vagrant reload

Tips for Power-Users and Advanced Users

  1. Use provisioning to automate the setup of your virtual machine. This can save you a lot of time and reduce the chance of errors.
  2. Use Vagrant’s synced folders feature to share files between your host machine and your virtual machine.
  3. Use the vagrant-vbguest plugin to keep your VirtualBox Guest Additions up to date.
  4. Use the vagrant-disksize plugin to increase the disk size of your virtual machine.
  5. Use the vagrant-hostmanager plugin to automatically manage your /etc/hosts file when you create new virtual machines.


To test your understanding of Vagrant, try creating a new virtual machine with a custom configuration. For example, you could try creating a virtual machine with a specific amount of memory or with a specific network configuration. Once you’ve created your custom virtual machine, try provisioning it with a simple shell script that installs and configures a web server. This will give you a chance to see how Vagrant’s provisioning features work and how easy it is to automate the setup of your virtual machine.

For further reading on this subject, try: best practices of using Vagrant.

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