Virtual Machines

Virtual Machine Technology

• Virtual machines simulate real systems and are used in various environments.

• Flight simulators help airline pilots practice and test flight skills.

• Games like SimCity create virtual cities, providing an immersive experience.

Definition of Virtualization

• Virtualization allows a single PC's physical hardware to run multiple operating systems simultaneously.

• Virtualization software simulates hardware, enabling unmodified guest operating systems to run in isolation on a host OS.

Practical Applications

• Example usage includes running various Microsoft Windows OS and Linux on a single PC.

• Windows 10 and Linux images can coexist within virtualization software like Microsoft Hyper-V.

• Hyper-V is installed on the Windows 10 operating system and supports multiple guest operating systems.

Example Configuration

• The host computer (laptop with Windows 10) specifications:

  • One hard drive

  • 4GB of memory

  • Network adapter

  • Keyboard, touchpad, and LCD screen

• Virtual machine configurations:

  • First VM: Windows 10

    • Three hard drives

    • 1GB of memory

    • Network adapter and peripherals

  • Second VM: CentOS 7

    • Three hard drives

    • 1GB of memory

    • Network adapter and peripherals

Summary

• Virtualization technology enables the concurrent operation of incompatible operating systems in one hardware environment.