Articles by bob@lxer.com

linux

Get started with Joplin, a note-taking app

There seems to be a mad rush at the beginning of every year to find ways to be more productive. New Year’s resolutions, the itch to start the year off right, and of course, an “out with the old, in with the new” attitude all contribute to this. And the usual round of recommendations is heavily biased towards closed source and proprietary software. It doesn’t have to be that way.Here’s the first of my picks for 19 new (or new-to-you) open source tools to help you be more productive in 2019.read more

linux

What is a certificate?

Certificates, it turns out, are important.  Expired certificates can cause you huge problems – that’s what the stories in the news are telling us. But what is a certificate, why do they expire, and why would that have such a big impact? To answer these questions, let’s step back a bit and look at why you need certificates in the first place.read more

linux

What metrics matter: A guide for open source projects

“Without data, you’re just a person with an opinion.”Those are the words of W. Edwards Deming, the champion of statistical process control, who was credited as one of the inspirations for what became known as the Japanese post-war economic miracle of 1950 to 1960. Ironically, Japanese manufacturers like Toyota were far more receptive to Deming’s ideas than General Motors and Ford were.read more