Vagrant Training Chennai

Vagrant  Training Chennai - Learn from Experts!

Vagrant  Training in Chennai with Hands On

 

Vagrant  Training

 Vagrant

Vagrant is used to set up one or more virtual machines by:

  • Importing pre-made images (called “boxes”)

  • Setting VM-specific settings (IP address, hostnames, port forwarding, memory, etc.)

  • Running provisioning software like Puppet or Chef

Note that it doesn’t install software or set up the machine past loading the VM and setting VirtualBox settings. Think of it as a scripting engine for VirtualBox.

Here are some reasons I’ve seen for using Vagrant over just VirtualBox. 

vagrant training chennai

1. Set Up Multi-VM Networks with Ease

 Most of the Vagrant power-user content I’ve read has been about setting up multiple VMs at the same time. Vagrant gives you a single config file to set these up, enabling you to launch all of them with one command.

Say you’ve configured three VMs to network with each other using static IPs on the 192.168.1.* subnet. You find yourself in a location that is already using that subnet to hand out IP addresses, and your VMs now conflict. With Vagrant, you can simply edit the Vagrantfile and reload the VMs, whereas with VirtualBox you’d have to open the settings for each VM, if not boot each VM and change them inside.

2. Source Control

By putting the settings in a text file, it enables the configuration to be put under source control. Made some changes last week and accidentally broke the image? Just revert the changes and reload the VM. You can accomplish this with VirtualBox snapshots, but it will take up much more space than just a Vagrantfile.

3. Various Platforms

There’s a large number of boxes available at sites such as http://vagrantbox.es. This enables you to try various OSes or distributions, applying the same provisioning to set up similar environments. This can help with testing or adding support to new platforms, and would be time-consuming using just VirtualBox. Vagrant Training Chennai.

Advantages:

  1. The Vagrant VM (Ubuntu, in my case) is only the runtime environment for my apps, meaning I can continue to use my preferred browser, text editor, and other development tools on my host system (OSX). Further, each developer on my team can use identical Vagrant VMs to build/run their apps, without sacrificing their preferred development system (OSX, Windows, whatever)

  2. Since Vagrant uses chef/puppet to create its VMs, I can recreate my VM quickly and automatically at any time if I need to change its configuration

  3. I can check Vagrantfiles into source control with each project, so the environment is essentially stored with the code, without having to find a way to store a VM itself. This keeps absolute parity between all developers on a team, and again, changing the runtime environment of the app is a simple matter of changing the Vagrant file and having devs regenerate their VMs.

  4. Vagrant can also use chef-server, allowing it to geneate multiple VMs for a distributed system development environment quickly and easily. This would be very conbersome to manage by hand.

 

 

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Weekdays / Fast Track / Weekends / remote Online / Corporate Training modes available!

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Vagrant  Training Also available across India in Bangalore, Pune, Hyderabad, Mumbai, Kolkata, Ahmedabad, Delhi, Gurgon, Noida, Kochin, Tirvandram, Goa, Vizag, Mysore,Coimbatore, Madurai, Trichy, Guwahati

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