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I once read that a network firewall was as much a central point for getting visibility into your network as it was a point for restricting and securing your network. It is my personal belief that these things go hand in hand. How can you secure your network if you don't understand what is actually going on inside it? how can you differentiate between what is good and bad traffic, if you can't actually see the traffic? A few years ago, I invested a serious amount of time searching for an open-source firewall that I could insert into a network on some standard hardware and see what was happening, then respond to this. I was disappointed to say the least.

In this article, we will see different methods to change the delimiter in file content, for example: from a comma to a colon.

We interviewed the founder of PCBSD at Texas Linux Fest. He also works for iX Systems.

As the title suggests, Linux and performance in the same sentence makes for an interesting topic of discussion. Everyone knows there is a multitude of options available to us. In this article, I’m going to attempt to cover a few of them.

At the upcoming Hot Chips Conference in late August, Oracle, IBM and Fujitsu are all set to announce the release of new high-performance Unix chips.

Along with benchmarking the AMD A10-6800K "Richland" APU on Linux and its Radeon HD 8670D graphics, I provided some GCC compiler tuning benchmarks for this AMD APU with Piledriver cores. The latest Linux testing from the A10-6800K is a comparison of GCC 4.8.1 to LLVM/Clang 3.3 on this latest-generation AMD low-power system.

For those looking to test out the long-awaited Radeon dynamic power management support within the Linux 3.11 kernel, here's some information on the new debugfs and sysfs interfaces for dealing with this "DPM" feature. The Radeon updates for the Linux 3.11 kernel are very exciting as the GPU clock speeds and voltages can dynamically adjust based upon load. This leads to power-savings when idling, especially for battery-backed systems, and also to greater performance on newer hardware by being able to up-clock the GPU from its boot speeds.

Limit Theory is a crowdfunded Space Sim whose universe is based around the concept of procedural content generation: nearly everything in LT, according to the developer words, will be computer generated (quests, solar systems, enemies, nebulas, etc.).

Rob Clark has expanded his Freedreno efforts from just being a reverse-engineered user-space (Gallium3D) graphics driver for Qualcomm's Adreno/Snapdragon hardware. Rob has now written his own DRM/KMS kernel driver for dealing with the Snapdragon graphics hardware.

A couple of days ago, version 0.2.3 of the official SDK for the Oculus Rift was released with Linux support, and I thought now would be a good time to put together a belated unboxing/first impressions video.

eDeploy is a new generation tool to manage baremetal deployments and upgrades of Linux based systems. Upgrades have been the main focus with the possibility to rollback upgrades if needed.

After posting a preview screenshot for LXDE-Qt, I got quite a lot of feedback from various sources. Generally the responses from the users are positive, but there are also some people saying that LXDE is no longer lightweight.

Please, in the free world we’re all friends and let’s not spread FUDs to hurt each other. I’m not going to respond to groundless accuse or get involved in toolkit wars. Just see the screenshot.

I never liked the login sound of Linux Mint so I disabled it immediately after installing Linux Mint 15. If you want to do the same, here is how:

With this release we bring lots of enhancements and feature updates to the OS4 OpenLinux operating system. We have made several kernel enhancements that make the default kernel in OS4 OpenLinux that much faster and efficient. Also, many new hardware drivers are included that support more hardware, out of the box. Along with a new logo and an enhanced look and feel from our previous release, we have made OS4 OpenLinux one of the easiest to use operating systems that allow you to complete tasks quickly and efficiently. We have made some new changes in the application line-up.

Late last week Distrowatch decided to create some room for LXLE on their infamous distro discovery site. I was really happy to see an official page for LXLE with an official url. Mid this week DuckDuckGo contacted me after months of review, with news that LXLE would be accepted into the fold of distributions...

If you’ve ever bought a digital comic book, your experience probably went something like this: You opened up an app like ComiXology, paid around $1.99 to $3.99 — likely, the same price as a print issue — but never downloaded the file for the comic to your hard drive. That’s because you don’t really own it — you’ve simply licensed the right to look at it in someone else’s library.

Pre-release test images of Ubuntu Touch now launch an Ubuntu system directly, with the Android userland environment, used to run Android applications under Ubuntu Touch, running in an LXC Linux container within Ubuntu.

If you're not familiar with the world of big digital publishing, it works a bit like this: you can generally get digital versions of comics the same day they're released to brick-and-mortar stores, either through a subscription or a specialized app. Now when I say "get," I don't really mean "buy." Yes, money is leaving your bank account and going into the publisher's (with maybe a cut going to a middleman like Comixology), but the reality is that you're just renting the content. You buy a license to view the comic—you don't actually own it. Want to read it outside of the app you bought it from? Good luck with that.

The DRM pull request has yet to be submitted for the Linux 3.11 kernel and already there is another revision to the Radeon DRM kernel driver to be submitted. This latest Radeon DRM work provides additional dynamic power management fixes and some new sysfs features...

Recent Linux kernel releases have seen a number of crypto performance optimizations for this kernel subsystem by taking advantage of newer CPU instruction set extensions for accelerating various cryptographic workloads. This theme has continued for Linux 3.11.