With a small GPS receiver on his wrist, Mike has been jogging through San Francisco neighborhoods. While catching his breath, safe at home, he visualizes the data he acquired while running with Perl.

With the right tools, you can create your own QR code squares with information you want to share, for example, on a business card, in a letter, or on your website.

If you can use your desktop environment, then you can also write programs: All you need is your mouse, the Alice IDE, and some time to experiment.

• RHEV 3.2 released
• FreeBSD 8.4 Released
• Cisco Introduces New Backbone Routers
• AMD Chips, Strategies, and Roadmap
• Java Enterprise Edition 7 Released
• Crafter Studio 2.2

Many logging and user-related commands can help you check on your system and keep track of security matters. We guide you through several helpful tools.

Sometimes sys admin Charly needs to know when exactly he did something ingenious on one of his servers. Finding an infallible memory aid is difficult, you might think. "Peanuts!" says Charly.

The simple but useful adtool lets you manage an Active Directory domain from the Linux command line.

Instead of manually rearranging windows in a development environment time and time again, the Tmux terminal multiplexer can restore them from a configuration script.

News

• US gov embraces open data
• Apache Cdorked.A exploit discovered
• News Bites

New Intel CEO

• FSF scolds W3C
• Torvalds releases Kernel 3.9
• Xen new LF collaboration project

Operating Systems

• Debian 7.0“wheezy” debuts
• Windows XP most likely to be victim of attack.