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,.
Cybersecurity
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.
Clusters
HAProxy Cluster Setup
Overview of the HAProxy Cluster Setup This article walks through a two-node HAProxy cluster setup with high availability using Keepalived. It covers configuring.
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.
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..
Automation with Scripting
Use a Service Monitoring Script to Check and Start Services
How to Check and Start a Linux Service Using a Bash Script Ensuring that critical services are always running on your Linux system.
Networking Basics
Configuring SSH Access and Security
Tutorial Overview SSH (Secure Shell) allows secure remote connections to your server. This tutorial covers installation, configuration, and security best practices to protect.
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.
Aggregation
ELK Stack on Debian: Step-by-Step Deployment Guide
Overview on ELK Stack on Debian deployment The ELK Stack on Debian is a powerful solution for centralized logging and real-time data analysis..
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.