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.
User and Permissions
Clusters Database Management
MongoDB Replica Set
Introduction In this tutorial, we will guide you through the process of setting up a Replica Set, a critical feature for ensuring high.
Monitoring and Performance
Monitoring System Resources with top, htop, and vmstat
Tutorial Overview This tutorial covers real-time monitoring of system resources using top, htop, and vmstat on a Debian-based Linux system. These tools help.
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.
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.
Aggregation
Prometheus and Grafana Monitoring
Overview on Prometheus and Grafana Monitoring Prometheus and Grafana Monitoring is a powerful combination for collecting, analyzing, and visualizing server metrics in real-time..
Cybersecurity
UFW Firewall Configuration
Overview of UFW Firewall Configuration UFW (Uncomplicated Firewall) is a front-end for managing iptables firewall rules on Linux. It simplifies the process of.
Articles
Supersolid Light: A Quantum Computing Revolution
Recent advancements in physics have introduced a groundbreaking discovery: the creation of supersolid light, a unique state of light that combines the characteristics.
Automation with Scripting
Mouse Movement Simulator for Windows
Mouse Movement Simulator for Windows is a detailed step-by-step tutorial on how to create, configure, and use the MoveMouse.ps1 PowerShell script to simulate mouse movement.
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.