Posted inCentos
Detailed Guide to Installing and Configuring CentOS Web Panel (CWP) for Effective Web Server Management
Real-world problem encountered: The pressure of manual server management and lessons from CentOS 8 EOLAs…
Posted inCentos
Package Management with yum and rpm on CentOS: Install, Remove, and Manage Repositories
A practical guide to package management with yum and rpm on CentOS: from installing and removing packages to adding repositories, handling dependencies, and rolling back after updates. Includes real-world experience from production server migrations.
Posted inCentos
Cockpit Usage Guide: Super-Efficient Web Interface Management for CentOS Stream 9
Manage CentOS Stream 9 more easily with the Cockpit web interface. This guide will show you how to install, configure, and use advanced features, along with practical tips for efficient server administration.
Posted inCentos
Saving a server at 2 AM: A detailed guide to DNF Package Manager on RHEL/Rocky Linux
At 2 AM, the server reported an error, and DNF was my savior. This article shares practical experience using DNF on RHEL/Rocky Linux, from basic commands to advanced tips, helping you confidently troubleshoot issues.
Posted inCentos
Install and Configure Apache HTTP Server with PHP-FPM on CentOS Stream 9: Practical Performance Optimization
This article provides a detailed guide on installing and configuring Apache HTTP Server with PHP-FPM on CentOS Stream 9. You will learn how to connect Apache with PHP-FPM to optimize performance and security for PHP web applications, along with effective system testing and monitoring steps.
Posted inCentos
Migrating from CentOS 8 to AlmaLinux 9: Comparing 3 Methods with Step-by-Step Instructions
A step-by-step guide to migrating your server from CentOS 8 to AlmaLinux 9 using a safe 2-step process: convert to AlmaLinux 8 with the official script, then upgrade to AlmaLinux 9 with ELevate. Compares all 3 migration methods, analyzes trade-offs, and provides a complete post-migration checklist.
Posted inCentos
Managing Services with firewalld on CentOS/RHEL: A Practical Guide
firewalld is the default firewall management tool on CentOS/RHEL, offering flexible zone-based policies that are easier to manage than plain iptables. This article covers practical usage from quick start to rich rules, port forwarding, and tips drawn from real production server management.
Posted inCentos
Configuring SELinux on Rocky Linux: Don’t Disable It Before You Understand What It Does
From firsthand experience migrating 5 servers off CentOS 8 EOL to Rocky Linux, this guide covers how to configure SELinux properly — from Permissive for debugging to Enforcing on production — with practical audit2allow, sealert, and semanage examples.
Posted inCentos
Installing and Configuring AlmaLinux as a CentOS Replacement: Real-World Experience
A guide to installing AlmaLinux and migrating in-place from CentOS 7/8 to AlmaLinux without rebuilding servers. Compares AlmaLinux vs Rocky Linux vs Oracle Linux from a practical DevOps perspective, with basic post-install security configuration included.