Linux tutorial - IT technology blog
Posted inLinux

Mastering Linux Memory Overcommit: Configure vm.overcommit_memory for Database and AI Workloads in Production

Linux memory overcommit lets the kernel promise more RAM than physically exists — a gamble that ends badly for production databases and AI services when the OOM killer strikes at 2 AM. This guide covers how vm.overcommit_memory modes work, how to configure them correctly for PostgreSQL and ML workloads, and how to monitor commit usage before it becomes a crisis.
Linux tutorial - IT technology blog
Posted inLinux

Immutable Linux: Taming Production Servers with Fedora Silverblue & NixOS

Tired of production servers crashing after routine updates or suffering from configuration drift? Immutable Linux distributions like Fedora Silverblue and NixOS offer a powerful solution. This article explains how these innovative approaches provide read-only base systems, transactional updates, and easy rollbacks to bring stability and predictability back to your server management.
Security tutorial - IT technology blog
Posted inSecurity

Linux Server Hardening Checklist: Prevent 2 AM Security Incidents

A server compromise at 2 AM is a nightmare no IT professional wants. This guide provides a practical Linux server hardening checklist, helping you understand common vulnerabilities and implement proactive security measures. Learn to secure your systems with strong passwords, robust firewalls, regular updates, and more to prevent incidents.
Programming tutorial - IT technology blog
Posted inProgramming

Python Basics for System Administrators: Your Essential Guide

Discover how Python can transform your system administration tasks. This guide covers essential Python basics, from installation and first scripts to advanced concepts like modules, file I/O, and subprocess management, all tailored for IT professionals looking to automate and streamline operations.