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Last Updated on October 5, 2020 by Vikash Ekka

Virtualization and Linux
Virtualization and Linux

What is Virtualization?

Virtualization is an important term in computing which refers to the act of emulating a virtual version of something, be it an operating system, desktop, network or storage. it was originally devised as a method of logically dividing the system resources. The most basic form of virtualization that many are familiar with is creating logical partitions in a hard drive to make separate space for the operating system and user data. 
The different types of virtualizations have been briefly mentioned below:
Network Virtualization: Through this method, the available bandwidth in a network is split into channels, which can then be assigned to different devices, independent of each other.

Storage Virtualization: This method is used to combine physical storage devices from multiple networks into a single virtual storage which can be centrally managed.

Server Virtualization: Server Virtualization is used to mask server resources from users in order to share those resources without divulging the complicated details of the procedure.
Data Virtualization: This approach allows an application to manage data without knowing the details about its location or format.
Desktop Virtualization: This advanced form of hardware virtualization allows the user to interact with a host computer to another desktop computer or a mobile device over a network connection.
Application Virtualization: This process allows an application to run in an encapsulated form, distancing it from the host operating system on which it has been executed.

What is Linux Virtualization ?

Linux Virtualization is the process through which one or more virtual machines are run on a Linux-based physical computer. While it can be used to isolate a whole operating system, generally it is used to run specific software or code in a separate environment. It is mostly useful for testing performances of new software or for security purposes.
There are a number of open source as well as proprietary software available for Linux virtualization Kernel-based Virtual Machine (KVM) and VirtualBox are among the most used open source software for this purpose, while VMware ESXI/Workstation is a proprietary alternative.
KVM: It is a virtualization infrastructure based on the Linux kernel. The current version of the software is capable of supporting virtualization of a variety of guest operating systems including Linux, BSD, Solaris, Windows, and OS X software package for x86 based computers.
VirtualBox: It is a virtualization Originally developed by Innotek GmbH, it was later acquired by Sun Microsystems and Oracle respectively It supports FreeBSD, Linux, OpenBSD, OS/2 Warp, Windows and Solaris operating systems in the guest machine.
VMWare: VMWare offers one entry level virtualization software, VMware Workstation, and one enterprise-level virtualization software, VMware ESX Server. The supported guest operating systems for these two alternatives include FreeBSD, Linux, Solaris, and Windows.

By Vikash Ekka

Hi All, My name is Vikash Ekka from India. I’m the founder and tech editor of https://www.vetechno.in. I have completed my Graduation in BCA. I love to write technical articles like Windows, Linux & MAC Tutorials, Tips, Tricks, How To fix, Tutorials About Ethical Hacking & Cyber Security Guide, and Software Review. Currently, I have been working as an IT professional since 2018.

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