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When to choose C or Python for a command-line interface

Take lessons from the history of C and learn how to write useful CLI programs in Python.

When not to use a JavaScript framework

Helpful hints on where frameworks make sense, and where they don't.

Plan your own holiday calendar at the Linux command line

Link commands together to build a colorful calendar, and then whisk it away in a snowstorm.

Introduction to the Domain Name System (DNS)

A beginner's guide to collecting and mapping Twitter data using R

Learn to use R's twitteR and leaflet packages, which allow you to map the location of tweets on any topic.

Python scripting in Scribus: Making pie charts

Scribus is a robust open source page layout application developed with and relied upon by the open source community since 2001. According to the project's website, Scribus is…

Linux firewalls: What you need to know about iptables and firewalld

Here's how to use the iptables and firewalld tools to manage Linux firewall connectivity rules.

Top 4 JavaScript code editors

Learn more about advanced text editors for JavaScript developers.

Human Interface Guidelines (HIG) for the Unix shell

As a command line person myself, I was very intrigued when I saw Klaatu's talk, HIG for the Unix Shell, on the upcoming All Things Open schedule. While I have always been…

What happens when a non-coder tries to learn Linux

I wanted to learn Linux, so here's my account of what I did to achieve that goal. To give you some idea of what it means to me to learn more about Linux: When I was at OSCON…

Challenges to expect when open sourcing your SaaS business

Moving your SaaS business to an open source model is challenging, but the ROI could be worth the effort. Here's what you need to know.

Ship captain sailing the Kubernetes seas

Kubernetes namespaces for beginners

What is a namespace and why do you need it?

Stumbling into Linux and open source from Vietnam to Amsterdam

Five, short personal stories about first introductions to the world of open source software.