TCH OO Ooi Han Yi Virtualization Is Not One Thing: Hyper‑V, KVM, and OLVM Explained Virtualization on modern platforms can feel confusing — especially when you’re presented with multiple options that all seem to “do VMs.”…
GEN OO Ooi Han Yi LF vs CRLF: Why Line Endings Still Matter in Modern Development If you’ve ever worked on a project across Windows and Unix-like systems, chances are you’ve run into the infamous line ending mismatch…
TCH OO Ooi Han Yi Understanding S3 Encryption: Breaking Down SSE-S3, SSE-KMS, and SSE-C When building modern data platforms — whether on AWS, MinIO, or any S3-compatible system, one question always comes up:
OO Ooi Han Yi POP, IMAP, and SMTP: How Email Worked, How It Still Works, and What’s Replacing It Email is one of the oldest and most resilient technologies on the internet. Despite being invented decades ago, it’s still at the core of…
OO Ooi Han Yi MQTT vs AMQP: How to Choose the Right Messaging Protocol When you’re building a system that needs devices, apps, or services to communicate reliably, you eventually face this question:
SCI OO Ooi Han Yi Understanding Citrix, ETX, XenServer, and AWX: How Enterprise VM Environments Actually Work If you’ve ever worked in a large enterprise environment, chances are you’ve come across tools like Citrix, ETX (Rocket Exceed TurboX)…
