~/tags $ grep -l '#grafana' _posts/*
// #grafana
3 posts tagged.
Reading Proxmox Backup Server Index Files to Find What Deleting a Snapshot Actually Frees
Proxmox Backup Server shows a snapshot's logical size, so ten backups of one guest each look full size. Deduplication means deleting one can free almost nothing. I parsed the chunk index files directly to get the real...
Turning Three Smart Plugs Into a Multi-Site Electricity Cost Dashboard
I connected three energy-monitoring plugs across two sites to one time-series database, then turned frequent power readings and public regional tariffs into selected-period electricity-cost estimates. The difficult pa...
Building a Real-Time Temperature and Humidity Monitoring System with Flask, Prometheus, and Grafana
Learn how to build a real-time temperature and humidity monitoring system using a DHT22 sensor, Raspberry Pi, Flask, Prometheus, and Grafana. This project demonstrates data collection, metric exposure