Tech Couch

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

Written by engineers, not ai

server admin

Mounting filesystems on linux

Including device identifiers, mount options and common errors

The text encoding error field guide

Same bytes, different characters

An overview of incus features

Local cloud for containers and VMs, without the overhead

Choosing the right self-hosted S3 object storage service

A comparison of open source options and their tradeoffs

Working with disk image files in linux

From loop devices to mounting

Reducing internal tool sprawl with homarr

Replace scattered links with a role-aware web launcher

Passing secrets to applications

Comparing different methods and their tradeoffs

Limiting hardware resources for KVM guest VMs

Fairly dividing physical resources between vms

Scaling to zero is expensive

Runtime bills are only part of total cost