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.
Monitoring and Performance
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,.
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.
Cybersecurity
AppArmor on Debian 12
Overview of AppArmor on Debian 12 AppArmor on Debian 12 provides mandatory access control to enhance system security by confining applications. It protects.
Cybersecurity
HAPS Setup on Debian 12
Overview of HAPS Setup on Debian 12 This guide details the HAPS setup on Debian 12, or Elite proxy (as others call it).
Clusters
Web Servers with HAProxy for Failover
Two web servers will be load-balanced using HAProxy. Prerequisites Step-by-Step Guide Step 1: Install Apache or Nginx on Web Servers 1. Install Apache or Nginx: Step 2:.
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.
Backup and Recovery
Creating System Backups with rsync
Tutorial Overview This tutorial provides a comprehensive guide to using rsync for creating backups of important files and directories. rsync is a powerful.
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.
User and Permissions
Understanding and Setting Permissions with chmod and chown
Tutorial Overview This tutorial covers file permissions and ownership management on Linux. Using chmod and chown, you’ll learn to set specific access permissions.