Ultimate Guide of How Virtual Machine works

In this blog post, how virtual machine works? we explained in detail. (VMs) are software-based emulations of physical computers allow multiple OS. and the running of programs on a single physical system. They establish an abstraction layer between the guest operating systems and the underlying hardware, resulting in a virtualized environment where each VM can function independently.

how virtual machine works
How Virtual Machine works


Virtualization technology has evolved to provide enhanced performance, improved hardware support, advanced management tools, and increased flexibility. Virtual machines have become integral to modern IT infrastructure, supporting a wide range of applications, from server consolidation to software development and testing, and powering the cloud computing revolution.

By leveraging virtualization technology, virtual machines enable better utilization of hardware resources, cost savings through consolidation, simplified management and deployment, enhanced security through isolation, and increased flexibility in software development and testing. Virtual machines have become a fundamental building block in modern computing environments, empowering organizations to optimize their infrastructure and improve operational efficiency.

How Virtual machine works?

We explained in detail how virtual machine works,

How virtual machine works? Virtualization is the process of building a software-based, or “virtual,” version of a computer with dedicated resources from a physical host computer, such as your personal computer, and/or a a distant server, such one located in the datacenter of a cloud service provider. A virtual machine is a computer file, often known as an image, that functions like a real computer.

It can operate in a window as a separate computing environment, frequently to run a different operating system—or even to serve as the user’s whole computer experience, as is typical on many people’s works on computers. Because the virtual machine is partitioned off from the rest of the system, the software within a VM cannot interfere with the host computer’s main operating system.

How virtual machine works
how virtual machine works

An operating system and an application are packaged along with information about the CPU, memory, storage, networking, and other computing resources that are required to run them in a virtual machine. A program known as a hypervisor examines the description before supplying the needed compute resources when this virtual machine is installed on a host computer.

On the same host computer, many virtual machines—even ones with various operating systems—can operate independently and concurrently.

Virtual machine-based systems are created to increase a host’s effectiveness. The system’s fine-grained resource parsing gives it extensive insight into systems. Additionally, these platforms give app-specific insights regarding costs, performance, resource usage, and development procedures. This is how virtual machine works information covers.

How to create virtual machine

To create a virtual machine (VM), you would typically follow these general steps: This is how to create a virtual machine

  • Step1: Choose a Virtualization Platform: Select a virtualization platform that suits your needs. Popular options include VMware Workstation, Oracle VM VirtualBox, Microsoft Hyper-V, and KVM (Kernel-based Virtual Machine).
  • Step2: Install the Virtualization Software: Download and install the chosen virtualization software on your host machine. Ensure that your system meets the hardware and software requirements for running virtual machines.
  • Step3: Obtain the Operating System Image: Acquire the installation media or disk image of the operating system you wish to install on the virtual machine. This can be an ISO file, installation disc, or an image provided by the OS vendor.
  • Step4: Create a New Virtual Machine: Open the virtualization software and create a new virtual machine. You’ll be prompted to provide details such as the virtual machine name, operating system type and version, allocated resources (CPU, memory, disk space), and network settings.
  • Step5: Configure Virtual Machine Settings: Once the virtual machine is created, you can modify its settings according to your requirements. This includes adjusting the number of CPUs, memory allocation, storage settings, network configuration, and any additional options specific to the virtualization platform.
  • Step6: Install the Guest Operating System: Mount the operating system installation media or specify the ISO file as the installation source for the virtual machine. Start the virtual machine and proceed with the guest operating system installation as you would on a physical machine.
  • Step7: Customize Virtual Machine Settings: After the guest operating system is installed, you can further customize the virtual machine settings, such as installing virtual machine tools or guest additions for enhanced integration and performance.
  • Step8: Manage and Use the Virtual Machine: With the virtual machine created and configured, you can now power it on and start using it. Install applications, perform updates, and set up the virtual machine as needed for your specific use case.
Machine virtualization
How Virtual Machine Works

It’s important to note that the exact steps and options may vary depending on the virtualization software you’re using. The above steps provide a general overview of the process to create a virtual machine. Consult the documentation or user guides of the specific virtualization software for detailed instructions tailored to that platform.

Also Read: Install CyberPanel on CentOS in this 6 Easy Steps

Uses of Virtual Machine

Virtual machines (VMs) have a wide range of uses across various domains. Here are some common use cases for virtual machines:

  1. Server Consolidation: Virtual machines enable organizations to consolidate multiple physical servers onto a single physical machine. This helps optimize resource utilization, reduce hardware costs, and streamline server management.
  2. Development and Testing: VMs provide developers with isolated and reproducible environments for software development and testing. They allow for easy setup, configuration, and testing of applications across different operating systems and environments.
  3. Software Compatibility: Virtual machines allow running multiple operating systems on a single machine. This is useful for running software applications that may be designed for specific operating systems or require different software configurations.
  4. Legacy Application Support: VMs are commonly used to host legacy applications that may not be compatible with modern hardware or operating systems. Virtualization allows organizations to continue using older applications without the need for dedicated legacy hardware.
  5. Disaster Recovery and High Availability: Virtual machines play a crucial role in disaster recovery strategies. By replicating VMs to off-site locations or utilizing cloud infrastructure, organizations can quickly recover services and data in the event of a disaster or system failure.
  6. Desktop Virtualization: Virtual desktop infrastructure (VDI) leverages VMs to deliver virtualized desktop environments to end-users. This allows for centralized management, improved security, and access to desktops from various devices and locations.
  7. Training and Education: VMs are widely used in educational settings to provide students with hands-on experience in various software, operating systems, and networking concepts. They offer a safe and controlled environment for learning and experimentation.
  8. Cloud Computing: Virtual machines form the foundation of cloud computing services. Cloud providers offer virtual machine instances on-demand, allowing businesses to quickly provision and scale their applications without the need for managing physical infrastructure.
  9. Software Demonstration and Evaluation: VMs can be used to showcase software applications or provide evaluation copies to potential customers. It allows users to test the software in a controlled environment without affecting their existing systems.
  10. Security Research and Testing: VMs are commonly utilized in the field of cybersecurity for security research, vulnerability testing, and malware analysis. They provide an isolated and controlled environment for studying and analyzing potential security threats.

These are just a few examples of the many uses of virtual machines. The flexibility, scalability, and isolation they provide make VMs an invaluable tool across various industries and computing environments.

Best Virtual machine platforms

The “best” virtual machine platform depends on your specific needs, requirements, and the operating system you’re using. Each virtual machine platform has its own strengths and considerations. Here are some popular virtual machine platforms and their key characteristics:

  1. VMware Workstation: VMware Workstation is known for its comprehensive feature set and robust performance. It offers advanced capabilities for developers and IT professionals, such as snapshots, cloning, remote access, and integration with VMware’s ecosystem. It supports a wide range of guest operating systems and provides excellent compatibility. However, it is a commercial product with a cost associated with it.
  2. Oracle VM VirtualBox: VirtualBox is a popular choice for individual users and small-scale virtualization needs. IIt is open-source and free, making it available to a variety of people. VirtualBox supports various guest operating systems, offers solid performance, and has a user-friendly interface. However, it may not have the same level of advanced features and enterprise-grade support as commercial solutions.
  3. Microsoft Hyper-V: Hyper-V is a native hypervisor for Windows-based systems. It is widely used in enterprise environments and integrates well with Microsoft’s ecosystem, including Windows Server and Azure cloud services. Hyper-V provides good performance and scalability and offers features like live migration, high availability, and integration with Windows management tools. However, it is available only on specific editions of Windows and may have more limited compatibility with non-Windows guest operating systems.
  4. KVM (Kernel-based Virtual Machine): KVM is an open-source virtualization solution integrated into the Linux kernel. It provides solid performance and is widely used in Linux-based environments. KVM leverages hardware virtualization extensions and offers robust management capabilities. However, it requires a Linux host system and may have a steeper learning curve for configuration and management.

The best virtual machine platform for you depends on factors such as your specific requirements, budget, guest operating system support, performance needs, and level of technical expertise. It’s recommended to evaluate the features, compatibility, performance, support, and cost of different platforms to determine the best fit for your use case.

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In conclusion, how virtual machines works (VMs) work by leveraging software-based virtualization to create an isolated and independent environment for running operating systems and applications. The key elements of how virtual machines work include the hypervisor, resource allocation, guest operating system installation, hardware abstraction, hypervisor interaction, resource management, isolation and security, and VM monitoring and management.

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