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Linux server tutorials

Step-by-step tutorials for a Linux server: VPNs, web servers, databases, containers, security and backups. Each one names the distributions it was tested on.

2 of 45 tutorials in Networking and VPN tested on Ubuntu 24.04 LTS

  1. How to check open ports on Linux with ss and nmap

    List the ports your server listens on with ss, find which program owns each one, then scan the server from outside with nmap to see what the internet can reach.

    beginner · 10 min · Ubuntu 24.04 LTS

  2. How to set up a WireGuard VPN server on Ubuntu 24.04

    Install WireGuard on Ubuntu 24.04, write the server config, route clients' traffic through it and connect a laptop and a phone.

    intermediate · 30 min · Ubuntu 24.04 LTS

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