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Weekend Project: Linux Filesystem Tune-up

If the thought of getting up at 3AM on "Black Friday" and dragging yourself across town to stand in line for sales doesn't fill you with the holiday spirit, why not spend your weekend doing something more meaningful, like cleaning up your Linux filesystems? To be sure, a modern Linux file server probably isn't in need of being torn down and rebuilt, but if you're like a lot of us, you partitioned those disks several releases ago with lofty intentions of leveraging extents, delayed allocation, B+ trees, and all sorts of other advanced features, only to let them languish at their default settings instead. Well, the time to tune the filesystem is now: grab a storage medium, a terminal, and optionally a turkey leg, and let's get to work.

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Attack of the Backup: Clonezilla Linux Rampages Over Disaster Recovery

Disaster recovery and backups are the "eat your vegetables" of the IT world. Most folks just don't get excited about backups, or do it often enough. Buck the trend with Clonezilla, a Linux distribution that makes it dead easy to clone and restore systems.

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Zenmap Tutorial: Audit Your Networks using Nmap GUI

Network administrators have many tasks, and auditing the network is at the top of the heap. This isn't a problem if you have a small network. But what happens when that network outgrows your ability to simply walk around and manually make note of what is up/down, what OS a device is running, or what ports are open? When this happens you need to make use of one of the de facto standard open source network auditing tools — Zenmap.

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Weekend Project: Add PubSubHubbub Syndication to Your Site or Blog

Web syndication formats like RSS and Atom have revolutionized the way we get information, but even though these formats are standardized and widespread, syndication is still evolving. PubSubHubbub is one of the more interesting advancements in syndication technology, because it actually changes the update method used by clients, from traffic-heavy periodic polling to a publisher-push model. Luckily you don't have to choose one or the other; you can add PubSubHubbub support to your site's feeds without losing compatibility with your more "traditional" readers. This weekend, update your feeds to the latest and greatest in syndication and generate your own hubbub.

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Run Applications in Secure Sandboxes with SELinux

Have an application that you want to run, but without giving it full access to the rest of your system? Welcome to SELinux's sandbox utility. In a few fairly simple steps, you can box in an application and not have to worry about it having full access to your system.

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