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Automate RHEL and CentOS Installation on KVM with Kickstart

(: April 19, 2019)Hello all. This is my first tutorial on KVM Virtualization prepared as a reference and to help you automate boring GUI-based installation questions. We’re using Kickstart on…

Permission Denied While Starting instance in Openstack

(: August 12, 2018)As I was building Openstack Lab, I happen to encounter error message as it was seen on a log file from.tail -f /var/log/nova/nova-compute.log[[email protected] ~(keystone)]# tail -f /var/log/nova/nova-compute.log…

Solve libvirt: “Failed to initialize a valid firewall backend” on Arch Linux / Manjaro

(: May 4, 2019)I got an error message “Failed to initialize a valid firewall backend” on my Arch Linux machine while trying to create Virtual Machines on KVM using Libvirt.…

How to install KVM on Fedora 30/29/28

(: May 5, 2019)This guide will cover the full installation of KVM hypervisor and its management tools on  Fedora 30/29/28. KVM (Kernel-based Virtual Machine) is a full virtualization solution for…

How to Use Vagrant with Libvirt on Linux

(: September 20, 2019)In this guide, we’ll look at how to use Vagrant with Libvirt on Linux. Vagrant is an open-source software written in Ruby to help you build and maintain a portable…

Getting started with Xen Virtualization On CentOS 7.x

(: January 8, 2018)Welcome to Getting started with Xen Virtualization On CentOS 7.x. Xen is an open-source bare-metal hypervisor which allows you to run different operating systems in parallel on a…

Working with qemu-img in Linux

(: April 19, 2019)Working with qemu-img in Linux: This is a brief qemu-img cheatsheet for working with qemu-img command on Linux and Unix systems supporting qemu. I made this qemu-img…

Use virt-manager as a non-root user on Linux

(: April 19, 2019)Hello all. I’ve been using KVM for a long time now. Every time I try to use virt-manager as a non-root user, I have to enter the…

Complete Installation of KVM, QEMU and Virt Manager on Arch Linux and Manjaro

(: April 19, 2019)Here is the Complete guide on how to install KVM, QEMU and Virt Manager on Arch Linux and Manjaro. KVM is one of the most used Virtualization…

Information on CVE-2015-3456 QEMU Vulnerability (VENOM)

OverviewVENOM, or Virtualized Environment Neglected Operations Manipulation, was made public on May 13, 2015. The vulnerability is in QEMU, a generic and open source machine emulator and virtualizer that is…

Information on CVE-2015-5154

OverviewInformation on CVE-2015-5154 was made public on July 27, 2015. The vulnerability is in QEMU, a generic and open source machine emulator and virtualizer that is utilized by Xen, KVM,…

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