Introduction Data-center deployment involves the process of setting up computer systems and related components such as storage, networking, and software applications to support the running of business operations. It is critical for organizations to have a reliable, scalable, and secure data-center infrastructure to ensure continuity in their daily operations. Red Hat Enterprise Virtualization (RHEV) environment provides a robust platform for managing data-center resources efficiently. RHEV Environment uses Kernel-based Virtual Machine (KVM) hypervisor technology which provides virtualization services that allow multiple Operating Systems (OS) to run on the same physical machine without interfering with each other. The RHEV environment also ... Read More

Redis is an open-source, in-memory data structure store that can be used as a database, cache, or message broker. It is known for its high-performance and low-latency capabilities, making it a popular choice for real-time applications. On the other hand, Docker is a containerization platform that allows developers to package applications into containers that can run anywhere on any platform. Containers are lightweight, fast to deploy and have small footprints compared to traditional virtual machines. Preparing for Deployment Installing Docker on your machine Before you can deploy Redis in Docker, you'll need to install Docker on your machine. ... Read More

Introduction Linux is an open-source operating system, which is favored by many users for its robustness, flexibility and stability. One of the key features of Linux is its ability to provide users with better control over their system's resources. This is achieved through the use of the partitioning scheme, which divides a hard drive into multiple sections or partitions, allowing for more efficient use of space and resources. What a partition is in Linux? A partition in Linux can be thought of as a logical division or section on a hard drive that isolates data from other parts on ... Read More

Introduction The kernel is the core component of a Linux-based operating system, and it is responsible for managing the system's resources and communicating with hardware devices. Whenever a new version of a kernel is released, it typically includes important bug fixes, security patches, performance improvements, and other enhancements that can improve the overall functionality and stability of the system. However, when multiple versions of the kernel are installed on the same machine over time, they can take up valuable disk space and slow down system performance. Deleting old unused kernels is an essential maintenance task that helps keep your Linux-based ... Read More

DOSBox is a powerful emulator that allows users to run old MS-DOS games and programs on modern Linux systems. In this article, we'll cover everything you need to know about DOSBox, including how to install and configure it, and how to run MS-DOS applications. What is DOSBox? DOSBox is an emulator that allows users to run MS-DOS applications on modern operating systems. It was first released in 2002 and has since become a popular tool for running old MS-DOS games and programs on modern systems. DOSBox emulates an Intel x86 PC, complete with sound, graphics, and networking capabilities, allowing users ... Read More

Docker has become an indispensable tool for developers, allowing them to easily create, deploy, and run applications in containers. While Docker is commonly used on desktops and servers, it can also be used on embedded devices such as the Raspberry Pi. In this article, we will go through the steps to install Docker on a Raspberry Pi and start using it. Hardware Requirements Before we begin, let's take a look at the hardware requirements for running Docker on a Raspberry Pi. Docker can be run on any Raspberry Pi model, but the performance will vary depending on the model. For ... Read More

DNS (Domain Name System) is an essential component of the internet infrastructure that translates domain names into IP addresses, making it possible for users to access websites and services with human-readable domain names rather than IP addresses. DNS is a critical part of the internet ecosystem, but it is also a common target for attackers seeking to disrupt services or gain unauthorized access to sensitive data. To ensure the security and performance of your DNS infrastructure, it's crucial to implement best practices and regularly audit your DNS setup. In this article, we'll cover some DNS best practices for security and ... Read More

In the world of RPM-based distributions, keeping your software packages up-to-date is crucial for maintaining system security and stability. Fortunately, dnf provides a powerful and user-friendly package management utility for managing software updates. In this blog post, we will explore the features of dnf and how it improves upon its predecessor, yum. What is DNF? DNF is the next-generation package management utility for RPM-based Linux distributions. It is a modern, open-source package manager that is designed to make it easier for users to manage software packages on their systems. DNF stands for "Dandified Yum, " which is a reference to ... Read More

Python and Perl are two popular programming languages used for a variety of purposes. Both languages have their own strengths and weaknesses, and choosing between them can be a difficult decision for aspiring programmers. In this blog post, we will take a deep dive into the Python vs Perl debate and help you make an informed decision on which language to learn. Python vs Perl: An Overview Python and Perl are both high-level, interpreted programming languages that are used for a wide range of applications. Python was created in the late 1980s by Guido van Rossum, while Perl was created ... Read More

Linux is one of the most widely used operating systems in the world, thanks to its stability, security, and flexibility. One of the key components of the Linux operating system is the package management system. There are different package management systems in use, but one of the most popular is the dpkg system. In this blog post, we will explore the dpkg command in Linux, what it does, and how to use it effectively. We will also provide some examples to help you get started with using the dpkg command in Linux. What is the dpkg command? dpkg is a ... Read More