Tech Couch

Configuring vagrant to use kvm

Easy VM automation backed by libvirt

Enabling gpu support in docker

Accelerating video and machine learning workloads inside containers

A practical guide to working with sudo

From basic usage to configuration

Setting up port knocking for SSH

Hiding important services from unauthorized eyes

Web security fuzzing with gobuster

Finding accidentally exposed files

Upgrading to the next linux debian release

From bookworm to trixie without the headache

Hardening sudo against privilege ecalation attacks

Preventing privilege escalation through privileged commands

Detecting suspicious filesystem changes with aide

Keeping track of changes made by intruders

Automating SSL certificates for web servers with certbot

Enabling painless traffic encryption for free

Automating backups with ansible

Confident backup automation from creation to recovery