Issue #140 / Jul 2012
Cover Theme: Chips & Gadgets
DVD: Kubuntu 12.04 LTS "Precise Pangolin"
KNOW-HOW: LinkCheckerFinding dead links with LinkChecker
LinkChecker helps you keep your site free of broken links.
SYSADMIN: Charly’s Column: BtrfsThe sys admin’s daily grind – Converting to Btrfs
Btrfs might not be complete, but conceptually, it combines so many useful filesystem functions that Charly couldn’t wait to play around with it.
SYSADMIN: Security Lessons: Hacking HardwareDon’t forget your hardware
Now that your networks are secure and you’ve convinced your users to secure their passwords and software, it’s time to turn your attention to your hardware to keep it from being attacked.
KNOW-HOW: PHP-CLIPHP for the command line
PHP is not just for websites. Command-line PHP scripting has been around for more than 10 years, which makes the language and its comprehensive libraries eminently suitable for the toolbox of any administrator who manages web servers.
SYSADMIN: oVirtOpen source data center management with Red Hat’s oVirt
The days when administrators were forced to manage virtual machines at the console are gone. Competitors of VMware and Citrix now offer equally sophisticated GUIs. One promising alternative is Red Hat’s oVirt – a free Java interface for Libvirt.
KNOW-HOW: CmdfsBuilding virtual filesystems with cmdfs
Cmdfs builds a filtered virtual filesystem based on a source directory tree. You can even integrate other programs to convert data on the fly.
KNOW-HOW: Ask Klaus!Klaus Knopper answers your Linux questions
Klaus Knopper is the creator of Knoppix and co-founder of LinuxTag expo. He currently works as a teacher, programmer, and consultant. If you have a configuration problem, or if you just want to learn more about how Linux works, send your questions to: firstname.lastname@example.org
PROGRAMMING: Perl: Travis CIHeadache-free continuous integration
A new service on travis-ci.org picks up GitHub projects, runs new code through test suites, and notifies the owners if the build fails. Its API enables Perl scripts to gather historical build data, including who-broke-the-build tabulations.
LINUXUSER: Command Line: Vim OutlinerVim Outliner orders your thoughts
If you need to outline an essay, make a list, or write something highly structured like a CSS file for a website, then look no further than the command line, especially if you’re already comfortable with the Vim text editor.
Vendor D-Wave scores big with a sale to NASA's Quantum Intelligence Lab.
Many package updates and Steam integration highlight the latest from the Mandriva-based community Linux.
Richard Stallman calls for the W3C to remain independent of vendor interests.
The new release supports nine architectures, 73 human languages, and zero non-Free components.
Fedora developers release the first alpha version of Fedora 19, known as Schrödinger’s Cat, for general testing. The final release is expected in July 2013.
ack is a grep-like, command-line tool that has been optimized for programmers to search large trees of source code.
New features in SUSE Studio 1.3 include enhanced cloud integration, VM platform support, and lifecycle management.
The Linux Foundation recently announced that the Xen Project is becoming a Linux Foundation Collaborative Project.
Open source version of LiveCode is now available for developing apps, games, and utilities for all major platforms.
OpenDaylight is an open source software-defined networking project committed to furthering adoption of SDN and accelerating innovation in a vendor-neutral and open environment.