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Boost Network Performance: Setting Up a Local DNS Server on Linux with Dnsmasq

March 22, 2026

This guide helps you set up a local Dnsmasq DNS server on Linux for improved network performance and straightforward internal domain management. It covers installation, configuration, and integration, offering a lightweight alternative to complex DNS solutions.

Linux

Systemd & Systemctl: Essential Guide to Managing Services on Modern Linux

March 12, 2026

Mastering Systemd and Systemctl is crucial for any Linux engineer facing critical service outages. This tutorial demystifies service management on modern Linux, providing practical commands and a step-by-step guide to creating your own custom services. Equip yourself with the knowledge to troubleshoot effectively and maintain system stability.

Linux

Linux Monitoring Tools: htop, iotop, and nethogs for Real-Time System Visibility

March 5, 2026

htop, iotop, and nethogs each target a different resource — CPU/memory, disk I/O, and network traffic per process. Here's how to use all three together to pinpoint performance problems before they escalate.