New and Improved Compression Formats for Linux

A few weeks ago we decided to look for alternative compression formats that we can use as a replacement for gzip. We take several backups of our MySQL & MongoDB data daily, and these are several gigabytes large, compressed. Any improvements on compression would benefit us in two ways :

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Self Updating Git Repos

TL;DR In this post I write a small bash script that updates your Git repos in the background. It is completely hands-free, and pops up a desktop notification whenever it syncs up.

At my workplace I commit to 11 different Git repos. And that doesn’t include my open-source work! If you, like me, have several active projects on Github, it’s not possible to remember to keep them updated. Continue reading

Parellel processing in Bash

The command line has been the primary interface for Unixes for over 40 years now. It’s design is reminiscent of it’s terminal roots, and it has remained much the same in form and function for decades now.

The terminal, or shell (as we will call it), is batch oriented, i.e: it runs one command at time. But that’s just one part of it. The shell also supports parellel processing, i.e the ability to run multiple commands, asynchronously from a single script. Parellel processing is an old problem and is supported in various ways. In this article I will explore some solutions in BASH , the ubiquitous shell on Unixes, and talk about the pros and cons of each.
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