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Node Exporter: Collecting Linux System Metrics for Prometheus

By admin April 8, 2026

Node Exporter is an essential component of the Prometheus stack, responsible for collecting CPU, RAM, disk, and network metrics from Linux systems. This guide walks through installation, collector configuration, and verifying that Node Exporter is working correctly before connecting it to Prometheus.

Linux

Effective Linux Debugging: A Detailed Guide with journalctl and dmesg

By admin March 24, 2026

Debugging on Linux is an essential skill. journalctl and dmesg are two powerful tools that help you identify the root cause of any issue, from services to hardware. This article guides you on how to use them effectively.

Development

Build an Auto-Deploy Webhook: No More SSH at 2 AM

By admin March 16, 2026

A practical guide to building a Python Flask webhook server that automatically deploys when you push code to GitHub. From writing the script and configuring systemd to connecting with GitHub Webhooks — set it up once, use it forever.

Fedora

Managing Fedora Server Remotely with Cockpit: A Review After 6 Months in Production

By admin March 4, 2026

Cockpit is a web console built into Fedora Server that lets you manage your system remotely through a browser without needing an SSH client. This article compares Cockpit with pure SSH and Webmin, walks through installation and security hardening, and shares a real-world workflow from 6 months of production use.

Linux

Managing Processes with systemd on Linux: Practical Tips from the Trenches

By admin March 3, 2026

systemd is the default process manager on modern Linux. This article shares essential commands, how to create custom services, debug failures, and best practices from real-world server operations.