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..
Aggregation
Cybersecurity
SSH Secure Configuration
Overview on SSH secure configuration OpenSSH is the implementation of the SSH protocol. SSH Secure Configuration is recommended for remote login, making backups,.
Articles
Understanding the NIS2 Directive: A Comprehensive Guide
Introduction to the NIS2 Directive The NIS2 Directive (Network and Information Security Directive 2) is an updated European Union (EU) cybersecurity directive designed.
Cybersecurity
iptables setup guide
This iptables setup guide shows you how to uninstall nftables, install iptables on Debian 11, and configure basic security rules. It also explains.
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.
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
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.
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,.
Aggregation
Graylog Log Aggregation Cluster: Setup on Debian 12
Overview of Graylog Log Aggregation Cluster A Graylog Log Aggregation Cluster allows centralized log management, making it easier to analyze and monitor system.
Articles
Critical HARDN Security Scripts Vulnerabilities: A Deep Dive
Introduction HARDN is a collection of security hardening scripts designed to enhance system security by enforcing MAC address randomization, TOR routing, directory lockdowns,.