Monitoring Archives - ITFROMZERO

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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.

Monitoring

Integrating CrowdSec with Prometheus and Grafana: Linux Server Attack Monitoring and Alerting

By IT From Zero November 2, 2026

A battle-tested guide from 6 months of running CrowdSec with Prometheus and Grafana in production: monitor attacks in real time, visualize metrics, and eliminate alert fatigue on Linux servers.

Monitoring

Monitoring BorgBackup and Restic with Prometheus: Catching Silent Failures and Overdue Backups

By IT From Zero October 30, 2026

Set up BorgBackup and Restic monitoring with Prometheus via the Node Exporter Textfile Collector. Track exit codes and configure smart 27-hour overdue alerts.

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.

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.

Monitoring

How to Install and Configure ntopng on Linux for Real-Time Network Traffic Monitoring and Analysis

By IT From Zero October 21, 2026

A hands-on guide to deploying ntopng on Linux: Inspect Layer 7 traffic in real time, diagnose bandwidth bottlenecks, and eliminate alert fatigue.

Monitoring

Monitoring ClickHouse with Prometheus and Grafana: Query Performance, Mutations, and RAM

By IT From Zero October 19, 2026

A comprehensive guide to leveraging ClickHouse's native OpenMetrics endpoint with Prometheus and Grafana. Master critical PromQL queries to monitor QPS, Part Mutations, and RAM usage to prevent downtime.