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.
Cybersecurity
Clusters
Storage Cluster with DRBD and GlusterFS
Two storage servers will use DRBD to replicate data and GlusterFS for sharing directories between MongoDB and Web Servers. Prerequisites Step-by-Step Guide Step 1: Install DRBD and.
User and Permissions
Understanding and Setting Permissions with chmod and chown
Tutorial Overview This tutorial covers file permissions and ownership management on Linux. Using chmod and chown, you’ll learn to set specific access permissions.
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 Clusters
HAProxy Config Sync and Reload Automation
HAProxy Config Sync is essential for high availability and consistent traffic routing. This guide covers setting up an automated system using inotifywait, rsync,.
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
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.
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,.