Homelab

Picking a self-hosted database in 2026 comes down to one question: when does it force you to migrate? SQLite holds until about one write-heavy app server (~10 GB, single writer). PostgreSQL 18 is the default that almost never makes you move. MariaDB 12.3 LTS earns its spot mainly when you already live in the MySQL world.

What are the best self-hosted databases for web apps in 2026?

For a self-hosted web app, three engines cover almost every case: PostgreSQL is the do-everything default, SQLite is the embedded single-file engine, and MariaDB is the MySQL-compatible community fork. All three are open source and free to run on your own box.

The Orange Pi 5 Plus is the better self-hosting board for Docker-heavy workloads thanks to its 8-core RK3588 CPU, up to 32GB RAM, and dual NVMe M.2 slots. The Raspberry Pi 5 wins for beginners and single-service setups with its superior software ecosystem and community support. Both boards draw under 18W, run Docker containers on ARM64 without issues, and can be purchased for under $200 in their mid-range configurations. The right pick depends on how many services you plan to run and whether hardware expandability or software polish matters more to you.

Can your consumer router do WireGuard VPN at 800 Mbps, isolate IoT devices into separate VLANs, and kill bufferbloat with a single queue management setting? Stock firmware almost certainly cannot. OpenWrt can.

OpenWrt is a full Linux distribution that replaces the limited manufacturer firmware on compatible routers. The router ends up behaving more like a managed switch and enterprise firewall than the box your ISP sent you. The current stable release is OpenWrt 25.12.2 (March 2026), which introduced the apk package manager (replacing opkg) and now supports over 2,200 devices. Flashing typically takes five minutes and is reversible if you keep a backup.

The Short Answer

When Zigbee devices keep dropping, the culprit is almost always the mesh topology, not the sensors. Add mains-powered routers every 10 to 15 meters. Move the coordinator away from the WiFi router and any USB 3.0 port. Switch to Zigbee channel 15, 20, or 25 to dodge WiFi. Use the network map in Zigbee2MQTT or ZHA to spot weak links. Roughly 90% of complaints trace back to three things: too few routers, a coordinator in an RF hot zone, and a Zigbee channel that clashes with WiFi.

Deploy Prometheus to scrape metrics from node_exporter on each Linux server. Then chart it all in Grafana with CPU, memory, disk, network, and systemd service health. The full stack (Prometheus 3.x, node_exporter 1.10, Grafana 11.6) can watch a 10-server homelab on one Raspberry Pi 4 or a small VM with 1GB RAM. The community Node Exporter Full dashboard (Grafana ID 1860) gives you production-grade views in under 30 minutes.

Connect a free 17track.net account to Home Assistant and you can pull tracking data from 3,200+ carriers into one place. From there, automations ping your phone, fire the porch camera, and toggle outdoor lights as boxes move through the system. Below is a working blueprint for the whole flow, from setup to multi-user alert tuning.

Setting Up the 17TRACK Integration

17track.net is a tracking aggregator. It pulls status updates from USPS, UPS, FedEx, DHL, Royal Mail, China Post, YunExpress, and roughly 3,200 other carriers across 220 countries. Once you add tracking numbers to your 17track account (by hand, through the mobile app, or via email forwarding), the Home Assistant integration mirrors them as sensor entities. You can then display them and build automations on top.