Cloud, networks, AI & security—applied. Short, practical posts for practioners who want real configs, examples, guardrails, and measurable savings.
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Sep 21, 2025 · 1 min read · Analogy: School Play IAM User → Students An IAM user is like a student in the school play. They are real people with a permanent identity. IAM Role → Costume An IAM role is like a costume that a student (or another identity) can put on. When they...
Join discussionAug 18, 2025 · 4 min read · When studying AWS Identity and Access Management (IAM), one concept that often trips up both beginners and experienced practitioners is the dual nature of IAM roles. A recent discussion I had with my mentor highlighted a common point of confusion: Ar...
Join discussionJul 5, 2025 · 5 min read · I kept getting asked by my team why one misconfiguration shows up as CRITICAL while another similar one is just LOW. After digging into how Orca, Wiz, and AWS Security Hub actually calculate their scores, I realized most of us don't really understand...
Join discussionMar 27, 2023 · 2 min read · This tutorial provides guidance on hosting multiple PHP web applications on a single Ubuntu server using Apache web server and PHP-FPM with different versions of PHP. The process involves installing PHP, verifying PHP-FPM services, and enabling modul...
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