HTL systems security assignment
Anti Hardening
A distributed systems security writeup covering Kubernetes, PostgreSQL, JWT authentication, secrets, backups, Tailscale, and application hardening.
Docker
School presentation · practical guide
Docker Things
A practical introduction to container images, Dockerfiles, Compose, remote contexts, and Docker Swarm using one small Go and NGINX application.
HTL Linux administration writeup
GNU/Linux - Setting up a multi-user environment
Building and securing a multi-user Linux environment with containers, permissions, networking, and SSH keys.