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Ever wondered how long have you been using the Linux OS without a reinstall? Read on to find exact installation date and time of your Linux OS.

Installing Vagrant is quite easy! In this tutorial, we will see how to install Vagrant on Linux operating systems.

DNS cache (or sometimes called a DNS resolver cache) is a small temporary database maintained by the operating systems. This brief guide explains all possible ways to clear or flush DNS cache in Linux operating systems.

Are you looking for a best graphic design software for Linux? Here is 8 free graphic design software to create professional graphic designs.

Virsh, short for Virtual Shell, is a command line user interface for managing virtual guest machines. Virsh allows you to create, list, edit, start, restart, stop, suspend, resume, shutdown and delete VMs.

Monitoring tools are vital and every system admin knows it. With the help of resource monitoring applications, we can continually observe the health of a system's resources when a task is running. Bashtop and Bpytop resource monitors are used to monitor system resources in Linux and Unix-like operating systems.

This comprehensive guide explains different ways to check if a Linux system is physical or virtual machine.

This brief guide explains how to fix Busybox Initramfs error on Ubuntu Linux.

Virt-rescue is like a rescue CD, but for virtual machines. This guide describes how to rescue virtual machines with Virt-rescue in Linux.

This guide explains how to access Linux partitions from Windows 10 and transfer the data from Linux partitions to Windows using Linux reader.

Virt-builder is a command line tool for building variety of virtual machine images for local or cloud use, easily as well as quickly.

The libguestfs is a C library and a collection of tools on this library to create, view, access and modify virtual machine disk images in Linux.

I have a few virtual machines running with different Linux flavors in my KVM server. For the sake of easy reference, I always name each VM with the OS version or application that is currently running on that VM. This tutorial explains two different ways to rename KVM guest virtual machine from command line in Linux operating system.

In this tutorial, we are going to see a few different ways to find the IP address of a KVM virtual machine (guest) in Linux.

This guide explains how to enable serial console in the KVM guest system in order to enable virsh console access for KVM guests in Linux.

Unified Extensible Firmware Interface (UEFI) is the new replacement for BIOS. This guide explains how to enable UEFI support for KVM virtual machines in Linux.

This step by step tutorial explains how to install and configure KVM in CentOS 8 server with screenshots.

This brief tutorial explains how to fix "hard disk with UUID already exists" issue in VirtualBox in Linux operating system.

QCOW is the default storage format for KVM virtual disks. Some Linux distributions especially RHEL provides customized Qcow2 images, so we can instantly create and run new virtual machines with Red Hat Enterprise Linux OpenStack Platform, or KVM hypervisor. In this guide, we will see how to create a KVM virtual machine using Qcow2 image in Linux.

I have been testing KVM extensively this week. Today I learned that KVM and Oracle VirtualBox doesn’t work at the same time. If you start a VM from VirtualBox when one of a KVM instance is running, you will be encountered with an error box titled "Virtualbox Guru Meditation".