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Message to the Universe: Thunderbird 3.3 is Approaching

Mozilla Messaging is the Mozilla Foundation's dedicated communications division, which develops the Thunderbird email client just like Mozilla Corporation develops Firefox. And just like Firefox, a new release of Thunderbird is being polished for release. Let's take a look at what's new and what's improved in Thunderbird 3.3, examining the latest testing release, 3.3 alpha 3.

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Using SELinux and iptables Together

One of the things I have wanted to do with SELinux for years is figure out a way to make SELinux and iptables work together, but each time I looked at it, my use cases became too complicated. James Morris and Paul Moore worked on a tool called Secmark way back in the Red Hat Enterprise Linux (RHEL) 5 time frame. My simple implementation of Secmark is to use iptables rules to define labels on packets as they flow within an SELinux system.

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Five Great Games for Linux

Most of the time you hear about how great Linux is for business, how companies can save money deploying Linux on the desktop or server. What doesn't get enough attention is that Linux can be really good for play, too. Linux users have plenty of games to pick from, though they don't get as much attention as they deserve. Let's fix that by highlighting five great games for Linux.

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Scheduling Magic: Intro to Cron on Linux

You might not be aware of this, but magic happens in the background of the Linux operating system. Without your help or intervention, programs start and daemons run. These things happen because Linux has an outstanding scheduling system known as cron. Want to make some magic? Let's get to know cron.

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Weekend Project: Benchmark Your Browsers on Linux

With the Firefox 4.0 release right around the corner, the big question for a lot of users is how fast is Firefox 4.0? How does the new Moz compare with Google Chrome, Opera, and the rest? If you're curious, take some time this weekend to perform your own benchmarks and see for yourself. Consider this an audience participation article: We're looking for your feedback as well.

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