Adding images to Openstack Glance
In this tutorial we're going to look at how to start adding images to Openstack Glance image service. I assume you already have a running Openstack setup, and glance service runs...
virsh commands cheatsheet to manage KVM guest virtual machines
This is a comprehensive virsh commands cheatsheet: Virsh is a management user interface for virsh guest domains. Virsh can be used to create, pause, restart, and shutdown domains. In addition, virsh...
Working with qemu-img in Linux
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 cheatsheet for my own...
Getting Started With Firewalld on RHEL7 and CentOS 7
Firewalld on RHEL7: I’m a person who is nuts about security. Seeing multiple layers of security being circumvented on a network is just against the reasons I’m security-centric all times. Some...
Getting started with Xen Virtualization On CentOS 7.x
Xen is an open-source baremetal hypervisor which allows you to run different operating systems in parallel on a single host machine. This type of hypervisor is normally referred to as type...
Understanding and Working With BtrFS Filesystem in Linux
This blog post is aimed at helping you get started with B-tree filesystem (BtrFS). Kernel-based filesystems in the Linux kernel tree are currently over 55 with each filesystem having its pros...
RHEL and CentOS Kickstart on KVM Automated Installation With virt-install
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 KVM to deploy VMs....
Configure KVM Networking With virsh, nmcli and brctl in Linux
There are many choices for network configurations in the KVM host. In this post, I’ll guide you through two main choices to configure KVM networking. We’ll consider internal networking and external...
Use virt-manager as a non-root user on linux
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 sudo password. This ain't a...
Tech Trends that will Change Future of Gaming
The gaming industry has come a long way in its quest to capture the hearts of the game lovers. Beginning with simple 2D (two dimensional) graphics and simple challenges to overcome,...