Introduction to virtualization with KVM

Basic Virtualization Concepts in Linux

If you have ever wondered how multiple “machines” can run inside a single physical machine, the answer is virtualization. Let’s explain it in a simple way. What is virtualization? Virtualization is a technology that allows you to create digital versions of machines inside a real machine. Each of these “virtual machines” is called a virtual machine (VM) and can run its own operating system and applications, just like an independent computer.

Monday, October 13, 2025 | 3 minutes Read

Types of hypervisors in Linux

What is a hypervisor? A hypervisor, also known as a Virtual Machine Monitor (VMM), is a software virtualization layer that allows you to create and run multiple virtual machines (VMs) on a single server, as well as run different operating systems in isolation. The physical server running the hypervisor is called the host machine, while each individual VM is called a guest machine. The term “hypervisor” was coined in the 1970s based on the concept of a supervisor in an operating system kernel. By adding the prefix “hyper-”, it is considered the supervisor of the supervisors.

Monday, October 13, 2025 | 3 minutes Read

KVM architecture and operation

What is KVM? KVM, or Kernel-based Virtual Machine, is a software feature that can be installed on Linux systems to create virtual machines (VMs). A virtual machine acts as an independent computer within another physical machine, sharing resources such as CPU, memory, and network bandwidth with the host system. KVM is a component of the Linux kernel that has provided native virtualization support since 2007, turning any Linux machine into a bare-metal hypervisor.

Monday, October 13, 2025 | 2 minutes Read