Programster's Blog

Tutorials focusing on Linux, programming, and open-source

security UFW firewall

UFW Cheatsheet

A cheatsheet for using the uncomplicated firewall (UFW).

lectures SAML SSO

Lecture - OAuth vs. SAML vs. OpenID Connect - Michael Schwartz

A timestamped lecture from Michael Schwartz covering the history and differences between various SSO technologies/protocols.

Python github packages

Install Python Packages Hosted On Private GitHub

Learn how to install python packages through pip, when the packages are hosted within a private GitHub repository.

cheatsheet SSH

SSH Agent Cheatsheet

A cheatsheet for the SSH Agent.

VIM

VIM Cheatsheet

A cheatsheet for VIM.

iptables networking firwall port-forwarding

iptables Port Forwarding Generator

A simple PHP script to generate the iptables rules to import when one needs to set up port forwarding.

KVM networking Hetzner NAT

Configure KVM Private NAT With Guest Gateway

Configure a KVM private NAT with a guest acting as a gateway to the outside world. Internal guests will be accessible from the outside world via a reverse proxy and port-forwarding rules.

KVM networking

Add Network Interface To KVM Guest

Add another network interface to a KVM guest.

Debian KVM cloud-init

Create Debian 10 (Buster) KVM Guest From Cloud Image

Create a Debian 10 KVM guest using the cloud image.

Webpack

Add Obfuscation To Webpack Build

Add obfuscation to your Webpack bundling process.

Webpack

Getting Started With Webpack

Get started with using Webpack to bundle your Typescript files together.

Thunderbird office365

Connecting Thunderbird To Office 365 When Using 2FA / MFA

Learn how to connect Thunderbird to Office 365, once you have enabled 2FA in office 365.

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Programster's Blog Ⓒ 2025