ubuntu

2 tutorial series · 3 posts

Tutorial Series

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!

4 Parts · Feb 2026 Start Series →

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.

4 Parts · Feb 2026 Start Series →

Posts

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