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.
Articles
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.
Automation with Scripting
All iptables rules list
Overview of All iptables rules list script This article provides a Python script that exports, parses, and transfers all iptables rules list from.
Networking Basics
Setting Up Static and Dynamic IP Addresses
Tutorial Overview Learn how to configure a static IP address manually on a Debian-based system using the Netplan tool and revert to DHCP.
User and Permissions
User Accounts: Create and Manage
Tutorial Overview This tutorial explains how to create, manage, and configure user accounts on a Debian-based system. You’ll learn how to add new.
Clusters
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.
Monitoring and Performance
Disk Usage Analysis with df, du, and ncdu
Tutorial Overview Learn to analyze and manage disk space usage using df, du, and ncdu on Debian-based systems. These tools help identify storage.
Cloud Computing
Cloud Computing: A Comprehensive Guide
Cloud computing has revolutionized modern IT infrastructure, offering scalable resources, flexible deployments, and cost-efficiency. This guide provides a comprehensive introduction to cloud computing.
User and Permissions
Implementing Sudoers File for Fine-Grained Access Control
Tutorial Overview In this tutorial, you’ll learn to configure the sudoers file to grant specific commands and permissions to individual users, allowing fine-grained.
Backup and Recovery
Restoring from Backups
Tutorial Overview This tutorial describes how to restore files, directories, and databases from backups, focusing on both rsync file backups and mysqldump database.