@sbmagar13

Ubuntu Random Freezes Fix: Limit Power PL1

Mar 13 · 6 min read · My Ubuntu server kept freezing. No warning. No error. Just completely stuck. Screen frozen, keyboard dead, only option was to hold the power button and force restart. This happened randomly. Sometimes

Kernel Panic, No Display, and NVIDIA Drama - A Regular Day in DevOps

Feb 18 · 6 min read · Let me tell you about this week(Obv. mine). I pressed the power button on our office’s Ubuntu server. Fans started spinning. CPU light turned on. Everything sounded normal. But the monitor? Completely black. Nothing. Not even the BIOS screen showed u...

SSH Port Knocking: Knock Knock. Who's There? Not the Bots.

Jan 19 · 8 min read · I was casually checking one of my server logs one evening(around 9:30 PM😁) and saw something annoying. Hundreds of failed SSH login attempts. From Nepal, China, Russia, Brazil, everywhere. Bots were hammering my SSH door (port 22), as it owed them m...

Solve Mysterious MacOS Disk Usage: List and Delete APFS Snapshots

Aug 28, 2025 · 4 min read · I woke up to a full disk panic: Finder said I had almost no space. A quick dive into the terminal revealed something surprising… hundreds of gigabytes tucked away inside /System. If you encounter mysterious missing space after updates, APFS snapshots...

Updated: This is a test article using MCP server for hashnode

May 2, 2025 · 1 min read · This is a test article created using MCP (Multimodal Conversational Platform) server integration with Hashnode. What is MCP? MCP allows AI assistants like Claude to interact directly with platforms such as Hashnode, making it possible to create, edit...