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Configuring VXLAN on Linux: A Layer 2 Network Extension Solution for Containers and VMs

By admin June 1, 2026

Want to connect virtual machines across multiple physical servers as if they were on the same switch? This Linux VXLAN configuration guide will help you build a professional Layer 2 overlay network, overcoming the limitations of traditional VLANs.

Network

How to Deploy a Mesh VPN with Nebula: Securely Connect Thousands of Servers from Slack

By admin May 25, 2026

Nebula is an open-source mesh VPN from Slack that enables peer-to-peer connections between thousands of servers without a relay, encrypted via the Noise Protocol. This guide covers installation, lighthouse configuration, group-based access control, and real-world connectivity testing on Linux.

Docker

Practical Docker Networking: When to Use Bridge, Host, or Overlay?

By admin March 9, 2026

From the frustrating 'Connection Refused' error when containers can't find each other, to mastering different Docker network types. This article is my hands-on experience with Bridge, Host, and Overlay networks, helping you choose the right tool for each specific problem.