Tech Couch

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

power user

Practical wget use cases

From downloads to web automation

Getting started with KVM and virsh

From zero to a running vm without tripping over errors

Modern backup management with restic

Reliable backups from storage to recovery

Upgrading to the next linux debian release

From bookworm to trixie without the headache

Btrfs vs ZFS

Making informed decisions which filesystem is right for you

Configuring sleep and hibernate on linux debian

Enable, manage and debug power saving features

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

Configure linux debian to boot into a fullscreen application

Running kiosk-mode applications with confidence

Modern linux networking basics

Getting started with systemd-networkd, NetworkManager and the iproute2 suite