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
Articles
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,.
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.
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.
Cloud Computing
Extended Terraform Tutorial for AWS Deployment
In this Extended Terraform Tutorial, we’ll guide you through the process of deploying scalable infrastructure on AWS using Terraform. This tutorial covers everything.
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.
Automation with Scripting
Automated Script Deployment and Execution with SSH
Purpose of the Script The provided script automates the process of uploading and remotely executing various Bash and Python scripts on multiple servers..
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,.
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.
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..