Monitoring – ITFROMZERO – Share tobe shared!

Monitoring tutorial - IT technology blog

Monitoring Traefik Reverse Proxy with Prometheus and Grafana: Tracking Request Rate, Error Rate, and Latency

By admin July 6, 2026

A guide to enabling the Prometheus metrics endpoint on Traefik v3, setting up Docker Compose for the full monitoring stack, and building a Grafana dashboard with PromQL queries to track request rate, error rate, and P95 latency per service. Includes alert rules for automatic notifications when issues arise.

Monitoring

PHP-FPM Performance Monitoring with Prometheus: Tracking Active Processes, Idle Workers, and Slow Requests to Optimize Your Web Server

By admin July 1, 2026

A guide to setting up PHP-FPM monitoring with Prometheus: enable the status page, install php-fpm_exporter, configure scraping, and build a Grafana dashboard to track active processes, idle workers, and slow requests. Detect bottlenecks before users ever feel them.

Monitoring

Monitoring Elasticsearch and OpenSearch Clusters with Prometheus Exporter and Grafana: Tracking Index Health, Query Latency, and System Resources

By admin June 30, 2026

A practical guide to monitoring Elasticsearch and OpenSearch clusters with Prometheus Exporter and Grafana, covering a comparison of approaches, elasticsearch_exporter setup, and alert configuration for JVM heap, unassigned shards, and disk watermark. Hard-won lessons from 6 months running 50 million documents in production.

Monitoring

How to Install and Configure OpenObserve: A Next-Generation Logs, Metrics, and Traces Solution to Replace ELK Stack with 140x Lower Storage Costs

By admin June 29, 2026

OpenObserve is a Rust-based observability solution that stores logs, metrics, and traces at up to 140x lower cost than ELK Stack, thanks to Parquet format and efficient data compression. This post shares hands-on experience installing OpenObserve with Docker, configuring Fluent Bit for log collection, querying with SQL, and setting up Alerts to avoid alert fatigue.

Monitoring

Monitor Directory Sizes with Prometheus Folder Exporter: Don’t Wait for a Full Disk to Panic

By admin June 25, 2026

Stop SSHing into servers at 2 AM to find bloated log files. Use Prometheus Folder Exporter to monitor directory sizes and get early alerts.

Monitoring

Monitoring Systemd with Prometheus: Don’t Let Your Server Stay ‘Alive’ While Your App Is ‘Dead’

By admin June 20, 2026

Don't let a green dashboard fool you when internal services have crashed. Detailed guide on using Prometheus Systemd Exporter to monitor uptime and handle Linux service errors effectively.

Monitoring

Monitoring Node.js Applications with prom-client: Request Rate, Latency, and Custom Business Metrics in Real Time

By admin June 17, 2026

A guide to integrating prom-client into a Node.js Express app to expose HTTP metrics for Prometheus and Grafana, covering request rate, P95 latency, error rate, and custom business metrics. Compares monitoring approaches and walks through each step from installation to dashboard creation.

Monitoring

Comprehensive MongoDB Monitoring with Prometheus Exporter and Grafana: Replica Set, Connection Pool, Slow Queries

By admin June 16, 2026

A guide to setting up comprehensive MongoDB monitoring with Prometheus mongodb_exporter and Grafana. Focused on the 3 most common production issues: Replica Set health, Connection Pool exhaustion, and Slow Operations — with real-world PromQL queries and a tiered alert strategy to avoid alarm fatigue.

Monitoring

Monitoring Every Linux Command: Snoopy Logger and Grafana Loki Solution

By admin June 15, 2026

Forget .bash_history. Here is how to use Snoopy Logger and Grafana Loki to monitor every user action on Linux professionally and securely.

Monitoring

Grafana Mimir: An ‘Infinite’ Prometheus Metrics Storage Solution on Object Storage

By admin June 14, 2026

Running out of disk space due to Prometheus? Discover how to install Grafana Mimir for long-term metrics storage on Object Storage. A cost-effective, high-performance solution for DevOps.