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.
Articles
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.
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.
Automation with Scripting
Automated Package Management on Remote Hosts
Overview on automated package management Automated Package Management is essential for maintaining multiple servers efficiently. This guide demonstrates how to create and execute.
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.
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..
Monitoring and Performance
Monitoring System Resources with top, htop, and vmstat
Tutorial Overview This tutorial covers real-time monitoring of system resources using top, htop, and vmstat on a Debian-based Linux system. These tools help.
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.
Automation with Scripting Clusters
AWX k9s Dashboard on Kubernetes: Setup on Debian 12
Overview of AWX k9s Dashboard on Kubernetes This guide details the installation and configuration of the AWX k9s Dashboard on Kubernetes using a.
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.