ubuntu

2 series · 4 posts

Series

Series · 4 parts

WireGuard VPN

In this compelling guide to VPN networking basics, you'll discover the essential concepts that empower your online privacy. Learn about IP addresses, the crucial differences between public and private networks, subnet masks, and CIDR notation. Embrace the power of effective routing and understand the significance of ports and DNS within VPN configurations. Equip yourself with the knowledge needed to navigate upcoming VPN tutorials seamlessly!

New part: Feb 10, 2026Start Series →
Series · 4 parts

Linux PPA Packaging

Unlock the secrets of Launchpad key management with this guide. From GPG keys that authenticate your packages to SSH keys that secure your access, ensure your digital fortress is impenetrable. Misaligned keys mean blocked uploads! So, back them up, rotate them, and master your coding destiny before hackers do.

New part: Feb 10, 2026Start Series →

Posts

ASUS ProArt X870E-Creator WiFi: NIC Investigation and Wake-on-LAN on the Intel I226-V

The ASUS ProArt X870E-Creator WiFi motherboard running Linux has a notable limitation: the onboard Intel I226-V 2.5GbE NIC does not support Wake-on-LAN, despite correct configurations, while the Aquantia AQC113CS 10GbE NIC functions properly. This issue stems from the chipset's architecture, and users cannot update the NIC firmware without restricted access. The Aquantia NIC is recommended for reliable Wake-on-LAN functionality.

May 8, 2026

Ubuntu: Install PostgreSQL With pgAdmin4

A quickstart guide that includes the part how to connect pgAdmin4 to your local postgresql install by registering your server after installing PostgreSQL and pgAdmin4.

Oct 22, 2022

Secure Your Linux Laptop With iptables

Your linux powered laptop is open and vulnerable. Let's harden it a little with the linux iptables firewall. It's not that hard, honest... it is just a text file.

Sep 23, 2022

Generate SSH keys with ssh-keygen

A quick start guide to generate your own SSH public/private keypair. A look at generating both RSA and the more secure Elliptic Curve Ed25519 key type.

Aug 24, 2022