Tag: prometheus

VictoriaMetrics vs Prometheus

VictoriaMetrics as a Prometheus drop-in replacement: lower RAM footprint, longer retention, better compression. When the switch actually pays off.

Node Exporter Internals That Actually Matter

Which 30 Node Exporter metrics matter for Prometheus monitoring. Skip the 200 noisy ones. Textfile collector trick included.

Push vs Pull Metrics: Pushgateway, Pushprox, and Why

Prometheus pull metrics are great until they aren't. When batch jobs, NAT, and ephemeral containers break scraping, Pushgateway, PushProx, and alternatives explained.

Blackbox Exporter: HTTP/TCP/DNS/ICMP Probes

Blackbox exporter Prometheus probes HTTP TCP DNS ICMP synthetic monitoring without paying for Pingdom or SaaS uptime tools

SLO/SLI for Home Lab Services

SRE error budgets for home lab. Build Grafana SLO dashboards, understand SLI/SLO, pick sane availability targets.

Alertmanager Routing Trees That Don't Lie

Master Alertmanager routing trees: severity labeling, inhibition, grouping, and multi-receiver logic for reliable home lab alerts that work at 3 AM

Mimir + Grafana: Long-Term Prometheus Storage

Mimir for long-term Prometheus storage. S3-backed, horizontally scaled alternative to Thanos for capacity planning and compliance.

Prometheus Federation for Multi-Site Home Labs

Prometheus federation for multi-site home labs: hierarchical scraping, cross-cluster aggregation, federation vs remote_write, practical config.

cAdvisor + Prometheus: Per-Container Metrics Done Right

Stop guessing which container is eating your RAM. Set up cAdvisor + Prometheus to get real per-container CPU, memory, and network metrics in your homelab.

Prometheus Scrape Intervals: The Hidden Tradeoff

Shorter intervals = more data. But also more storage, CPU load, and potential instability. Here's the tradeoff you're actually making.

Prometheus + Grafana on Docker: Know When Your Server Is Crying Before It Dies

Set up a self-hosted Prometheus and Grafana monitoring stack with Docker Compose. Stop flying blind, get metrics, dashboards, and alerts in under 30 minutes.

Observability and Monitoring for Containers

Logs, metrics, and traces for Docker containers, Prometheus, Loki, Grafana, and OpenTelemetry to know what's happening inside your stack.