If you get this error (or similar) while trying to run **bundle install** on one of your Ruby projects or trying to install the **pg** gem:

Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

...

Bought a new keyboard, the DAS Keyboard Professional S. Maybe now i'll finally learn how to code properly :)

Also, took some time to create key bindings for media and brightness controls (for...

Here's a neat trick: Measuring your Internet download speed from the command line.

Basically you need wget to download a big file (download to /dev/null will not waste disk space ;)) and simply check the average speed at the end.

Something like:

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Because of this: