Issue #177 / Aug 2015

The beginning for high-performance computing is understanding what you are trying to achieve, the assumptions you make to get there, and the resulting boundaries and limitations imposed on you and your HPC system.

Charly starts the tomato and dill season aboveground with a traffic light and underground with a soaker hose, along with assistance from two gardeners and the ubiquitous Raspberry Pi board.

FSlint detects the source of filesystem problems and remedies or mitigates them while cleaning up the hard drive.

The RAW format preserves the full splendor of digital image data. You can develop this material into a format for everyday use with LightZone.

LibreOffice Writer is a serviceable desktop publisher with more typography features than most users imagine.

We take a look at apt-cache, an essential utility for command line-based package management.

You can create pixel art in just a few mouse clicks with the paint program mtPaint, and it can even teach your works of art how to walk.

Although Marble might look like a rather bare-bones map application, it has a few tricks up its sleeve that make it a useful mapping tool.

"maddog" looks at some ways that computer science education can be made available to students of all ages.

Chronicler Zack Brown reports on the latest news, views, dilemmas, and developments within the Linux kernel community.