working with qemu-img

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...
Firewalld on RHEL7

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...
using Imapsync

How to import Mail accounts from one server to another using Imapsync

Using Imapsync: I provide Web hosting services using Ispconfig. For quite sometime, it was a real pain to migrate existing Cpanel customers to Ispconfig, especially when you’re required to import all...
Xen Virtualization

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...
BtrFS filesystem in Linux

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...
Puppet 4 On RHEL 7 and CentOS 7

Getting Started and Working with Puppet 4 On RHEL 7 and CentOS 7

Puppet is a Systems Configuration Management/Systems Automation framework written in Ruby that allows system administrators to programmatically provision, configure, and manage servers, network devices, and storage, in a data center or...
Dockerizing Zimbra

Dockerizing Zimbra Collaboration Suite On RHEL 7/CentOS 7 Base Image

I’ve been working on  Dockerizing Zimbra on RHEL 7 base image. The hard work has finally yielded fruits and in this post I’m going to share my Docker github repository which...
getting started with secure HAProxy on Linux

Getting Started With Secure HAProxy on Linux

In this getting started with secure HAProxy on Linux blog post, I'll walk you through important concepts you need to start working with HAProxy. Load Balancing is a common argot for Webmasters...
configure KVM networking

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...

How to convert mp4 to mp3 on Linux

Everyone at some point wanted or would like to convert mp4 to mp3 on Linux. If you would like to achieve that on any Linux system, don't worry because I've a good...