Archives: NOC Articles

Complete guide comparing coding chatbots: OpenCode, Hermes, OpenClaw, Copilot, Claude, ChatGPT. Learn when to use each tool without confusion.

A comprehensive guide on the dangers of blindly copy-pasting AI commands into your VPS terminal, AI hallucination phenomena, safe troubleshooting practices with ChatGPT/Claude/Gemini, and proper etiquette for hosting support tickets.

Getting Memory cgroup out of memory Killed process lsphp errors on your server? Learn the difference from regular OOM, how to read the logs, identify root cause, and fix it with practical NOC engineer solutions.

MySQL/MariaDB keeps crashing on 1GB–2GB RAM VPS? Learn how Linux OOM Killer silently kills your database, how to check logs, and 3 concrete solutions: SWAP setup, innodb_buffer_pool_size tuning, and max_connections limits.

Complete guide to checking Linux server RAM health from an experienced NOC engineer — covering free -h, htop, smem, dmidecode, and automated monitoring scripts.

Learn how the internet works from scratch using simple everyday analogies. Written by an experienced NOC Engineer for beginners who want to truly understand the internet.

Learn what Redis is, how it benefits websites on cPanel, how it compares to Memcached, step-by-step installation, WordPress configuration, and troubleshooting common issues — all from a practicing NOC engineer’s perspective.

Want to know the difference between shared hosting, VPS, and dedicated server? Get the full breakdown from simple analogies to technical details, plus troubleshooting tips from an experienced NOC engineer.

Virtualizor “Could not make the Query” error with servers.MYD not found? Learn the root cause, step-by-step fix, and prevention tips from an experienced NOC engineer.

Learn how to read OOM kill logs on a hardware node, understand the impact on VPS instances, and practical prevention steps from a NOC engineer’s perspective.