Today I Learned

42 entries

docker

Compose healthchecks and dependency ordering

Container DNS resolution between services

.dockerignore patterns that actually matter

Environment variable precedence in Docker Compose

Multi-stage builds for smaller images

Backing up Postgres in Docker named volumes

Volume mount UID/GID permission mismatches

host-setup

Alpine Linux Docker host gotchas

Running Docker inside a Proxmox LXC

Installing Docker on Alpine Linux

Installing Docker on Debian / Ubuntu

services

AdGuard Home with Docker Compose

Dockge with Docker Compose

Home Assistant OS setup

Immich with Docker Compose

Mosquitto MQTT broker with Docker Compose

Nginx Proxy Manager with Docker Compose

Portainer with Docker Compose

UniFi Network Application with Docker Compose

Uptime Kuma with Docker Compose

Vaultwarden with Docker Compose

Zigbee2MQTT with Docker Compose

Z-Wave JS UI with Docker Compose

linux

doas — a simpler sudo alternative

networking

MikroTik VLAN bridge configuration sequencing

OPNsense Unbound DNS gotchas

OPNsense policy-based routing and VPN killswitch

Tailscale subnet routing

nfs

NFS subdirectory mounts cause stale file handle errors

proxmox

API token scoping vs user auth

Cloud-init VM templates

Intel QSV hardware transcoding in a Proxmox LXC

LSI HBA passthrough requires iommu=pt

Proxmox Backup Server setup

PCIe passthrough VFIO prep

Two-node cluster quorum behavior

lxcs

Proxmox LXC backup and restore with vzdump

NFS in Proxmox LXCs via host bind mounts

vms

Alpine Linux VM

Debian VM in Proxmox