Monitoring Archives - ITFROMZERO

Monitoring tutorial - IT technology blog

How to Install and Configure kube-state-metrics: Monitoring Pod Restarts, Deployments, and Resource Quotas in Kubernetes

By IT From Zero November 6, 2026

A complete guide to installing kube-state-metrics with Helm. Monitor pod restarts, deployment health, and resource quotas using production-ready PromQL alerts.

Monitoring

Monitoring Longhorn on Kubernetes: Prometheus & Grafana Setup with Real-World Troubleshooting

By IT From Zero November 4, 2026

Longhorn storage clusters can degrade silently while apps keep running, risking data loss on subsequent node failures. Learn how to set up Prometheus, Grafana, and fine-tune alerts to prevent false alarms.

Python

A Guide to Using prometheus-client in Python: Collecting and Exporting Custom Metrics for Prometheus and Grafana

By IT From Zero November 3, 2026

A detailed guide on using prometheus-client in Python to track Counter, Gauge, and Histogram metrics, avoid high cardinality traps, and build practical Grafana dashboards.

Development

A Guide to Integrating OpenTelemetry into Node.js: Setting Up Tracing, Metrics, and Logs for Microservices

By IT From Zero October 30, 2026

A detailed guide on integrating OpenTelemetry into Node.js applications to set up distributed tracing, metrics, and log correlation in a microservices environment.

Monitoring

How to Install and Configure Wazuh SIEM on Linux Server: Security Monitoring and Vulnerability Detection

By IT From Zero October 29, 2026

A hands-on guide to self-hosting Wazuh SIEM on Linux Server. Enable real-time File Integrity Monitoring (FIM), automate CVE vulnerability scanning, and block brute-force IPs with Active Response.

Monitoring

Monitoring Proxmox VE with Prometheus and Proxmox VE Exporter: Managing VMs, LXCs, and Storage

By IT From Zero October 28, 2026

A detailed comparison of Proxmox VE monitoring strategies and a step-by-step setup guide for Prometheus and Proxmox VE Exporter via API tokens. Efficiently track CPU, RAM, disks, and ZFS/Ceph storage.

Network

How to Configure Host sFlow on Linux: Real-Time Network Traffic and KVM Monitoring

By IT From Zero October 26, 2026

Host sFlow is an ultra-lightweight network traffic and server metrics collection tool for Linux. This comprehensive guide covers installing hsflowd, configuring collectors, and monitoring both bare-metal servers and KVM virtual machines.

Monitoring

How to Monitor HashiCorp Vault with Prometheus and Grafana: Tracking Token Leases, Request Latency, and Unseal Status

By IT From Zero October 25, 2026

A detailed guide to monitoring HashiCorp Vault with Prometheus and Grafana. Learn how to collect internal telemetry, measure request latency, manage token leases, and detect sealed cluster nodes early.

Monitoring

Monitoring Argo CD Application Sync and Health Status with Prometheus and Grafana

By IT From Zero October 23, 2026

A practical guide on configuring ServiceMonitors, writing PromQL queries, and importing Grafana dashboards to monitor Argo CD sync and health status.

Monitoring

Centralized Cloudflare Traffic and Security Monitoring with Cloudflare Exporter, Prometheus, and Grafana

By IT From Zero October 22, 2026

How to integrate Cloudflare Exporter with Prometheus and Grafana for centralized monitoring of traffic, cache hit ratios, and 502 errors. Includes production-ready Docker Compose, practical PromQL queries, and API rate-limiting tips.