Quantum Cryptography: Securing Data in the Quantum Era
Introduction As we edge closer to the age of quantum computing, the very foundation of our digital security is being challenged. Quantum computers,.
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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.
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.
Cybersecurity
Vanguard Elite – Comprehensive Hardening and Monitoring Tutorial
1. Overview of Vanguard Elite Vanguard Elite is a set of scripts and tools available HERE designed to harden Debian-based servers by: This.
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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.
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.
Automation with Scripting
Automate ppp0 Interface Monitoring and Restart
Are you facing issues with your ppp0 interface losing its IP address? This can disrupt your network connectivity and create unnecessary downtime. Automate.
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.
Backup and Recovery Database Management
Creating Database Backups with mysqldump
Tutorial Overview This tutorial explains how to back up MySQL databases using mysqldump, ensuring data recovery options are available in case of a.
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.