Storage Cluster with DRBD and GlusterFS
Two storage servers will use DRBD to replicate data and GlusterFS for sharing directories between MongoDB and Web Servers. Prerequisites Step-by-Step Guide Step 1: Install DRBD and.
Clusters
Automation with Scripting
Set up iptables-persistent on Debian
Introduction: If you set up iptables-persistent on Debian it allows your firewall rules to survive system reboots. This guide will walk you through.
Networking Basics
Understanding and Setting Up a Basic Firewall with UFW
Tutorial Overview Learn how to configure UFW (Uncomplicated Firewall), a simple interface for managing iptables. We will cover enabling UFW, setting rules for.
Automation with Scripting Clusters
HAProxy Config Sync and Reload Automation
HAProxy Config Sync is essential for high availability and consistent traffic routing. This guide covers setting up an automated system using inotifywait, rsync,.
Articles
High Performance Computing (HPC) Architecture Guide
What is High-Performance Computing (HPC)? High Performance Computing (HPC) architecture refers to the design and structure of systems that use multiple interconnected computers.
DevOps Practices
Unified DevOps Deployment Tutorial
This Unified DevOps Deployment Tutorial guides you through building a DevOps pipeline that integrates: We’ll use practical tools like Terraform, OPA (Open Policy.
Automation with Scripting Clusters
AWX k9s Dashboard on Kubernetes: Setup on Debian 12
Overview of AWX k9s Dashboard on Kubernetes This guide details the installation and configuration of the AWX k9s Dashboard on Kubernetes using a.
Automation with Scripting
Automated Email Sender from CSV or Excel File
Prerequisites: Step 1: Create the Script The script: Step 2: Install Dependencies Open your command line or terminal and navigate to the directory.
Clusters
Galera Cluster for MySQL/MariaDB
Overview: Galera Cluster is a synchronous multi-master database cluster designed for MySQL and MariaDB. It ensures high availability, redundancy, and scalability, making it.
Cybersecurity
Firewalld Configuration on Debian
Overview of Firewalld configuration on Debian Firewalld serves as a front-end to the Linux kernel’s netfilter framework, providing a dynamic interface for managing.