Tech Couch

A Comfy Corner for Software, Security, Cloud, and AI

Measuring software performance with percentiles

Understanding what insights P99, P95 and P50 percentiles provide

Compiling native applications for alpine containers

Making glibc programs run in musl environments

Running LLMs locally with ollama

Painless AI text models on localhost

Writing user-friendly bash scripts

Meeting user expectations from cleanup to help output

Exploring CPU caches

Why modern CPUs need L1, L2 and L3 caches

Extracting video covers, thumbnails and previews with ffmpeg

Generating common metadata formats from video sources

PHP image upload exploits and prevention

Safely handling image files in PHP environments

Automating web server setups with ansible

Reliable web server setups across multiple hosts

The downsides of source-available software licenses

And how it differs from real open-source licenses

Configure linux debian to boot into a fullscreen application

Running kiosk-mode applications with confidence