The most recent articles
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The Problem With AI Assistants Is the Window Switching
AI assistants are supposed to save us time. And often they do. You ask a question that might otherwise take ten minutes of searching, and
Could Open-Source AI Be the Ultimate Defense Against Digital Surveillance?
In an age where every click, search, and conversation potentially feeds into corporate data repositories, a quiet revolution is emerging from an unexpected corner: open-source
I Let an AI Take Care of My Plants – Here’s What Using PlantFocus Is Really Like
I’ve always liked the idea of having plants around me. The reality, though, is that my relationship with them has been… inconsistent. Some
Hidden Linux Performance Hack: RAM-Based Caching via /dev/shm
On most modern servers, RAM is abundant but underused. While CPUs and disks get all the optimization attention, RAM often sits idle, especially in web
Fix FileZilla Notepad.exe File Associations on Windows
Last reviewed: October 2026. If FileZilla reports that it cannot find notepad.exe when you choose View/Edit, inspect FileZilla’s editor setting and the association for the
Introduction to Containers and Docker on Linux: Basics and Setup
If you’ve ever heard the terms “containers” or “Docker” and felt a little out of your depth, don’t worry—you’re not alone. Containers are transforming how
Configuring the Linux Kernel: Basics and Considerations
The Linux kernel is the heart of every Linux-based operating system. It bridges software with the system’s hardware. Whether you’re trying to squeeze the best
Backup and Recovery Strategies: A Practical Overview for Data Protection
One of your most critical responsibilities for Linux Admins is ensuring the availability and integrity of your organization’s data. It’s not a glamorous job, but
Quick Guide: How to Brute Force with Burp Suite
This tutorial walks you through a simple brute force attack using Burp Suite. It’s hands-on, and while concise, it covers the essentials. For the best
Networking Basics in Linux: Network Settings and Multiple IPs
Setting up multiple IP addresses on a single network interface, allowing for more flexible and efficient management of services and resources is a common task
Process Management: Monitoring and Controlling Processes in Linux
As a Linux System Administrator, process management is one of the most crucial skills to master. Efficiently monitoring and controlling processes ensures the system runs
Galera Cluster: A Practical Guide to Setup on Debian/Ubuntu, Example With Two Nodes
Galera Cluster is a high-availability solution for MySQL databases, offering synchronous replication across multiple database nodes. Designed for MySQL, MariaDB, and Percona XtraDB Cluster, Galera
Use rsync on Debian for Backups and Restore Checks
Last reviewed: October 2026. Commands below use rsync’s upstream option definitions. The small local dry-run, copy and restore example was checked with rsync 3.2.3 on
Shell Scripting Basics: Automation To Streamline Linux Administration Tasks
Linux administration is tightly linked to efficiency and precision. One of the best ways to achieve this is through shell scripting. Whether you’re managing hundreds
Using AppArmor on Debian: Enhancing Security on Linux Systems
Securing your system is no longer optional—it’s essential. As a Linux System Administrator, you are tasked with ensuring the security and stability of your systems,
Exploring Wireshark: A Powerful Tool for Sniffing Unencrypted Traffic
With countless devices and users connected to networks at all times, ensuring that sensitive data remains secure is a top priority. Yet, despite advancements in
SELinux Explained: Why You Need It and How to Set It Up
We all know that in today’s computerized landscape, security is of paramount importance. As cyber threats continue to evolve, securing systems, especially servers and endpoints
Guide to Linux Security: SSH Hardening, SELinux, AppArmor, Firewalls, and Security Audits
As a Debian/Ubuntu Linux System Administrator, ensuring the security of your server is not just an optional task; it’s a critical responsibility. The security landscape
WordPress Optimization For Speed and Security: A Comprehensive Guide
WordPress, the most popular content management system (CMS) in the world, powers over 40% of websites globally. However, as your website grows in complexity and
Wazuh and VirusTotal: Configure File Hash Lookups
Last reviewed: October 2026. Applies to the Wazuh 4.14.x File Integrity Monitoring (FIM) and VirusTotal configuration documented in October 2026. The source article includes a
How to Perform a Cybersecurity Risk Assessment: A Practical Guide
Cybersecurity threats are more sophisticated and pervasive than ever before. For organizations and individuals alike, the ability to anticipate, identify, and mitigate risks is critical
Phishing Scams to Watch For: A Breakdown of Current Tactics and How to Avoid Them
Cybersecurity threats are constantly evolving, but one tactic has remained persistently effective for attackers: phishing. Phishing scams—where cybercriminals trick users into providing sensitive information—continue to
Secure Your Organization with Password Managers: Why Browser Storage Falls Short
Protecting sensitive data is more important than ever, and passwords are the first line of defense. Unfortunately, weak password management practices leave organizations vulnerable to
How to Secure a Server Running CentOS from SSH and Application Layer Attacks
Securing a server running CentOS involves multiple layers of defense, starting from the network level and extending all the way up to the application layer.