MathanKumar Stalin

Solution Engineer

System Engineer

DevOps Engineer

Ethical Hacker

Cyber Security

MathanKumar Stalin

Solution Engineer

System Engineer

DevOps Engineer

Ethical Hacker

Cyber Security

Shell scripting

January 2, 2026 Catching Hackers with Observability (Yes, Your Logs Are Snitching)

Security tools scream!! Observability tools silently judge!!! And guess what? Hackers hate silent judgment. Let me show you how a…

December 30, 2025 Stop Ignoring Alerts: How to Send “Graphic” HTML Emails with Bash

As Linux engineers, we stare at terminal text all day. When we get an automated email alert that is just…

December 27, 2025 Simple Shell Script to Monitor CPU & RAM with Email Alerts (Clear & Critical)

We all face this issue—suddenly the server becomes slow, the website is loading like a tortoise, and we don’t know…