RHCSA 9 Exam Prep: Master 10 Essential Shell Scripts for Automating Linux Tasks
Are you preparing for the RHCSA 9 exam and want to master the essential skill of shell scripting? Discover 10 practical shell scripts that can automate tasks in Linux and help you excel in the exam. From conditional code execution to processing script inputs and outputs, these scripts cover all the key areas and will […]
Securing a PostgreSQL Database
Protecting your valuable data is crucial in the digital age, and one of the most important steps you can take is securing your PostgreSQL database with these ten essential strategies. Table of Contents Introduction PostgreSQL is an open-source relational database management system that is known for its scalability, reliability, and robustness. It was first released […]
Secure SSH with Ansible
Learn how to secure SSH with Ansible and protect your Linux systems from unauthorized access with this step-by-step guide. Table of Contents Introduction Ansible is a popular automation tool that is used for managing IT infrastructure. It was developed by Michael DeHaan in 2012 and has since then become one of the most popular automation […]
Add multiple IP addresses using NMCLI
In this article, we’ll show you how to quickly add multiple IP addresses using NMCLI, a powerful command-line tool for configuring network settings on RHEL8/9 or CentOS 8/9 OS, streamlining your network administration tasks. Table of Contents Introduction NetworkManager Command Line Interface (NMCLI) is a tool that allows network administrators to configure network settings on […]
Install and Configure Apache Hadoop on Linux
Learn how to install and configure Apache Hadoop on Linux, the open-source framework that revolutionized big data management with its fault-tolerance, scalability, and support for various data processing frameworks. Table of Contents Introduction Apache Hadoop is an open-source framework used for distributed storage and processing of big data. It was initially developed by Doug Cutting […]
Big Data – The Big Picture: How Big Data is Changing Our World
Linux professionals can unlock new career opportunities and stay ahead of the curve by harnessing the power of big data, a transformative technology that is changing our world. Table of Contents Introduction Big data is a rapidly growing field that has transformed the way we store, process, and analyze large amounts of data. The rise […]
Install and Configure Redis on RHEL9/CentOS9
Looking to Install and configure Redis for your next project? Look no further! Redis is a versatile and high-performance data structure store that can be used as a database, cache, or message broker. Our step-by-step guide on how to install and configure Redis on RHEL9/CentOS9, along with examples of its basic usage, will help you […]
Install EPEL on Linux
In this article, we will guide you through the process of installing EPEL on various versions of RHEL and CentOS. Table of Contents Introduction The Extra Packages for Enterprise Linux (EPEL) is a repository of additional software packages that are not included in the default package repository of Red Hat Enterprise Linux (RHEL) and its […]
Install and Configure Sendmail on RHEL9 or CentOS9
Are you looking to install and configure Sendmail on RHEL 9 or CentOS 9 but don’t know where to start? Look no further! In this article, we’ll guide you through the process of setting up Sendmail in just a few easy steps. Table of Contents Introduction Sendmail is a widely used mail transfer agent (MTA) […]
Install Python SciPy on RHEL9 or CentOS9
In this article, we will learn how to install Python SciPy on CentOS9 or RHEL9, the powerful library for advanced mathematics, statistics, and optimization! Table of Contents Introduction SciPy is a Python library used for scientific and technical computing. It provides a range of modules for optimization, integration, linear algebra, signal and image processing, and […]