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.

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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.

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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.

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Database Management

Creating and Managing Databases in MySQL

Overview This guide provides a comprehensive look at creating and managing databases in MySQL. MySQL is one of the most popular relational database.

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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.

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Articles Cybersecurity

Automated Security Hardening Belongs on Fresh Debian Installs

Automated Security Hardening belongs only on fresh Debian deployments. Security hardening is crucial for ensuring that your Debian server is resilient against threats..

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Cybersecurity

Security Machine Tutorial for HARDN-Hardened Debian

This tutorial builds upon the HARDN project’s baseline hardening, then layers in encryption, network obfuscation, kernel and runtime hardening, advanced authentication, secure boot,.

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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.

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Articles

The Do’s and Don’ts of Cybersecurity for Internet-Exposed Servers

Introduction to the Do’s and Don’ts of Cybersecurity With the increasing reliance on internet-connected infrastructure, securing servers exposed to the internet is a.

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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.

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