Click "Play" (1) and select "Workshop Maps" (2) from the drop-down. Click the right hand side "Visit Workshop" link (3), find a map, select it, and click "Subscribe" (4) to download it.
Press Shift + Tab to return to the game, or click "Click here to return to the game" at the top. It should now be available under "Workshop Maps".
Gnome Boxes is an easy way to quickly try out other Linux distributions, for example the current or next release of Debian (Unofficial non-free images including firmware packages).
If you see a message during a slow or hanging shutdown (press ESC to see messages) about a stop job is running for CUPS, wait 90 seconds ... it might be due to an old print job in the system.
There are many ways to make quiet MP3 files louder ("Normalize"), but the easiest is by far using Audacity, since you can process multiple files at once (also known as batch processing) with the Macro tool:
Save paper by printing on both sides of the paper (duplex). If your printer is able to print on both sides and is installed to support CUPS, you can define default setting such as changing paper size from Letter to A4 and duplex printing at http://localhost:631/.
QGIS is an open source program which allows you to: "edit, visualise, analyse and publish geospatial information on Windows, Mac, Linux, BSD and mobile devices. For your desktop, server, in your web browser and as developer libraries."
