How to Build a Responsive Dashboard with React and Tailwind CSS on RHEL 9 | CentOS 9

Responsive Dashboard with React and Tailwind on RHEL 9

Learn how to build a responsive React dashboard with Tailwind CSS on RHEL 9 or CentOS Stream 9. Includes CLI commands, deployment tips, and full code examples. Table of Contents 🔈Introduction Deploying modern frontend applications in enterprise environments like RHEL 9 or CentOS Stream 9 comes with its own challenges, from package management to security […]

Splunk Email Security Risk: How to Fix allowedDomainList Warning in alert_actions.conf

Splunk allowedDomainList configuration

Learn how to fix the Splunk allowedDomainList security warning in alert_actions.conf. Prevent unauthorized alert emails and protect sensitive data by configuring domain restrictions correctly. Table of Contents 🔈Introduction Splunk administrators often encounter a critical security warning: ⚠️ Found an empty value for ‘allowedDomainList’ in the alert_actions.conf configuration file. This alert points to a significant security misconfiguration […]

How to Configure SSL for Splunk Enterprise on RHEL 9 | CentOS 9

Configure SSL for Splunk Enterprise on RHEL 9

Learn how to configure SSL for Splunk Enterprise on RHEL 9 or CentOS 9. This detailed guide covers certificate generation, secure web interface setup, and SSL forwarding configuration for maximum security. Table of Contents 🔈Introduction Securing your Splunk Enterprise deployment is crucial, especially when dealing with sensitive data and enterprise-level monitoring. One of the most […]

Install MongoDB on RHEL 10 | CentOS 10

Install MongoDB on RHEL 10 | CentOS 10

Learn how to install MongoDB (Community or Enterprise) on RHEL 10 / CentOS 10 with step‑by‑step repository setup, CLI commands, SELinux tips, and troubleshooting.” Table of Contents 🔈Introduction MongoDB is a leading NoSQL document database often used in production and development environments. If your organization is running RHEL 10  or CentOS 10, you may want to deploy […]

How to Safely Migrate from MySQL to PostgreSQL (Step-by-Step)

Migrate MySQL to PostgreSQL

Learn how to safely migrate your MySQL database to PostgreSQL with this step-by-step guide. Get tips on tools, data migration, schema conversion, and performance optimization. Table of Contents 🔈Introduction Migrating from MySQL to PostgreSQL is an important yet sometimes tricky process. Whether you’re moving to PostgreSQL for better performance, richer features, or scalability, understanding the […]

Upgrade to PHP 8.4 on Ubuntu 22.04 | 24.04

Upgrade PHP 8.4 Ubuntu 22.04 24.04

Upgrade to PHP 8.4 on Ubuntu 22.04 or 24.04 with this complete, step‑by‑step guide. Includes commands, configuration, Apache & Nginx setup, troubleshooting, and best practices to ensure a smooth migration. Table of Contents 🔈Introduction Modern PHP releases bring faster execution, new features, and better security. PHP 8.4, though still developing in mid‑2025, is increasingly adopted by developers. If you’re […]

How to Install and Configure Podman on CentOS Stream 10: A Step-by-Step Guide

Install and configure Podman on CentOS Stream 10

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 🔈Introduction 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

GFS2 with Encrypted Volumes

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 […]

Setting Up KVM High Availability with Fedora and Pacemaker

KVM High Availability with Fedora and Pacemaker

Learn how to set up KVM high availability with Fedora and Pacemaker to ensure seamless failover and minimal downtime for your virtual machines. Step-by-step guide with CLI examples. Table of Contents 🔈Introduction In today’s fast-paced digital world, downtime is a luxury that businesses cannot afford. For mission-critical systems, high availability (HA) setups ensure that applications […]

Configuring Kubernetes Networking on Minikube

Kubernetes networking on Minikube

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