Text Processing Tools in Linux: sed and awk Explained

Master Linux text processing: learn how to use sed for quick edits and awk for powerful field-based reports, with examples, tips, and command pipelines. Table of Contents đ Introduction In the world of Linux commandâline text processing, two tools reign supreme: sed (stream editor) and awk (pattern scanning and processing language). These tools provide extraordinary flexibility for transforming, filtering, […]
Enable and Use Remi Repository on RHELâŻ10 | CentOSâŻ10

Learn to enable and use the Remi repository on RHELâŻ10 / CentOSâŻ10 for installing modern PHP, MariaDB, and LAMPâstack components safely and selectively. Table of Contents đIntroduction The Remi repository offers up-to-date versions of popular server-side softwareâsuch as PHP, MySQL, and MariaDBânot typically included in the default Enterprise Linux distributions. Combining Remi with EPEL and […]
Install EPEL on RHELÂ 10Â |Â CentOSÂ 10

Learn how to install and enable the EPEL repository on RHELâŻ10 or CentOSâŻ10 step-by-step, with CLI commands, troubleshooting tips, and best practices. Table of Contents đIntroduction Installing the Extra Packages for Enterprise Linux (EPEL) repository on RHELâŻ10 or CentOSâŻ10 unlocks a vast collection of high-quality, community-maintained open-source packages that are not included in the default repositories. Whether you’re managing a server […]
Understanding Regular Expressions: A Beginner’s Guide

Learn the basics of Regular Expressions with this beginner’s guide. Discover how to use regex for text searching, validation, and data extraction in Linux, programming, and more. Table of Contents đIntroduction Regular Expressions (regex) are an essential tool for anyone working with text processing or data extraction in Linux, programming, or even everyday tasks. While […]
How to Use grep for Advanced Search in Linux: A Comprehensive Guide

Learn advanced grep techniques to search files efficiently in Linux. Discover how to use regular expressions, case-insensitive searches, recursion, and more with practical examples. Table of Contents đIntroduction In the world of Linux, grep is an indispensable tool for searching through files and data streams. Whether youâre a system administrator, developer, or data scientist, understanding […]
How to Set Up a Syslog Server on RHEL 9 and CentOS 9

Learn how to set up a Syslog server on RHEL 9 and CentOS 9. Follow this step-by-step guide to collect, store, and manage log data from multiple devices in your network. Table of Contents đIntroduction Setting up a Syslog server on RHEL 9 and CentOS 9 is a critical step for system administrators and security […]
More vs Less Command in Linux: Which Is Better?

Explore the differences between the more and less commands in Linux. Learn which command is better suited for large files, searching, and efficient navigation. Table of Contents đ Introduction Linux users often encounter long outputs in the terminal, whether it’s from running system commands, viewing log files, or analyzing process information. In these situations, it’s […]
How to Install and Configure Podman on CentOS Stream 10: A Step-by-Step Guide

Learn how to install and configure Podman on CentOS Stream 10 with this step-by-step guide. Discover the key commands, configurations, and troubleshooting tips to get started with container management. Table of Contents đIntroduction In today’s world of containerized applications and microservices, Podman has emerged as a powerful, secure, and lightweight container management tool. Unlike Docker, Podman doesn’t require a […]
How to Deploy GFS2 on Encrypted Volumes in a Clustered Multipath Storage Environment

Learn how to securely deploy GFS2 on encrypted volumes over multipath storage in a high-availability Linux cluster. Includes CLI examples, automation tips, and best practices. Table of Contents Introduction In modern enterprise IT environments, the need for secure, resilient, and high-availability storage systems is more critical than ever. Combining GFS2, multipath storage, and LUKS encryption provides a […]
Configuring Kubernetes Networking on Minikube

Configure Kubernetes networking on Minikube: learn how to set up Pod networking, Service networking, ingress routing, and network policies stepâbyâstep with CLI examples and troubleshooting insights. Table of Contents đ Introduction Kubernetes networking can be complexâbut when you’re running Kubernetes locally with Minikube, it’s much simpler. In this stepâbyâstep guide, you’ll learn everything you need […]