In the current GNOME shell, Xinerama, the feature that supports more than 2 adjacent displays, is broken. With my nVidia card, the native Nouveau driver doesn’t even detect the 3rd output. The proprietary nVidia driver detects 3 outputs, but cannot…
Author: Arnon Weinberg
Science and technology enthusiast.
The Research Lab
Nautilus open-with / mime-type associations
Using the native GNOME file manager Nautilus, you can double-click on a file to open it with its default application. If you don’t like that, are not sure what the default application is, or want to modify it, then you…
Perl regular expressions – limit
Just ran into a limitation of Perl regular expressions. It’s mentioned (in brackets!) here: http://www.foo.be/docs/tpj/issues/vol1_2/tpj0102-0006.html, but I didn’t see mention of it in the Perl manual, so this wasn’t easy to track down. It’s stated as: “Perl currently has an…
Customizing the GNOME Shell menu
The GNOME Shell (GNOME 3) menu, is customized using the alacarte application. Install this application if you wish to edit the menu. If you want to know more about how the menu works in order to write a script to…