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Linux ptrace() system call provides a means by which one process may observe and control the execution of another process. It is primarily used to implement breakpoint debugging with gdb and system call tracing with strace. In this article I will look at the security implications of ptrace, and how to overcome them using Linux PID namespaces.

Last year, we announced the Opensource.com Community Moderator program. It's been a huge success. We've learned a lot from our moderators and have recently made updates as we continually improve the program. The purpose of the Community Moderator program is to identify key Opensource.com contributors and advocates and to provide them with guidelines and a framework for how they can best participate, including advising our team on future decisions regarding the site and community.

For those of us who have been using Linux for a while we take for granted the fact that we know what a desktop environment is and that there are distros called Ubuntu, Debian, Fedora etc. People who have only just heard about Linux may find this confusing. This article/video gives a brief overview of what Linux actually is.

After chatting to the developers from Sword of the Stars we can exclusively confirm to you the ports are nearing completion.

I am a born nerd, born to take things apart and put them back together, and to combine unlike things in imaginative ways. I am one of those people you never want to go shopping with, because I have to stand in front of any item I might ever under any circumstances consider purchasing, and work through in my head the nine zillion ways in which I might use it.

That is right, Valve is giving away all their past and future games to Debian Developers.

David Herrmann has announced his latest work on his SimpleDRM driver plan for the Linux kernel along with a new sysfb concept. These latest eleven patches are considered a "major rewrite" of the earlier SimpleDRM code...

Today in Open Source: US Army buys Linux-powered rifles. Plus: Alienware Steam Machine problems, and Linux Lite 1.0.8 released.

Chrome can continue to access a computer's microphone after a person thinks a speech recognition feature is off, a web developer says. Google said there's no threat from a speech recognition feature in its Chrome browser that a developer said could be used to listen in on users.

Yesterday I ran the latest RadeonSI Gallium3D vs. Catalyst AMD Linux driver comparison, effectively another round of open-source vs. closed-source GPU driver testing. In yesterday's article it was found the RadeonSI performance is improving a lot but the AMD Catalyst Linux driver remains much faster.

On Friday, Roy Schestowitz posted an article on Techrights which seems to accuse Red Hat of being in cahoots with the NSA. According to the article, the company has been building back doors into RHEL for the spy agency. However, the article appears to be long on accusations and short on proof.

Premier Farnell has introduced a Linux-ready SBC with a 7-inch touchscreen and Atmel ARM9-based CPU module, aimed at HMI applications including home automation. With its integrated Embedded Display Module (EDM), the EDM6070AR-01 single board computer supports a variety of embedded HMI (human machine interface) applications, including industrial control terminals, intelligent instruments, medical products, network terminals, etc.

The battle's on. SkySQL, armed with the MariaDB MySQL clone, is going after Oracle's MySQL customers.

Add the iLinux icons to your Debian Linux computer. The iLinux icon set provides more than 18,000 different icons from various operating systems, including OS X and Windows.

Canonical has just announced a few minutes ago, January 23, the immediate availability of the second Alpha release of the upcoming Kubuntu, Edubuntu, Xubuntu, Ubuntu Kylin, Ubuntu GNOME, and Ubuntu Cloud 14.04 (Trusty Tahr) Linux operating systems.

Various flavors of Ubuntu 14.04 have come out today with their Trusty Tahr Alpha 2 spins.

Michael Davies, a part of the Linux.conf.au (LCA) conference talk review committee, spent a session at this year's conference talking about how they review talk submissions and choose which ones to accept for this large Australian open source conference. While he spoke specifically about LCA, his tips are largely applicable to those interested in submitting a talk proposal to any conference. The LCA papers committee consists of experienced LCA attendees and volunteers who are both active in their communities and familiar with the conference. They try to keep a balance from year to year of fresh voices with experienced reviewers. The repeat reviewers help ensure that the conference maintains the same feel from year to year, so they use the previous year's papers committee with a few new members. They also consider the balance of the committee members.

As scheduled, on the 14th of January 2014, we have launched LinuxCareers.com: a new niche job board, which allows recruiters of Linux talent to post their job offers to the targeted audience of Linux professionals. LinuxCareers.com specializes in Linux based careers and covers the US job market. Job advertisements posted on LinuxCareers.com feature positions suitable for Linux professionals with free and open-source software skills. The employer needs to specify three primary and up to four secondary skills, which are selected from our list of FOSS skills. This ensures that the ads posted on LinuxCareers.com are purely related to Linux and FOSS technologies.

Want to receive notifications from an Android device directly on your Linux desktop? LinConnect lets you easily add this functionality to any machine, as long as it's on the same wireless network as the Android device.

Red Hat introduced its latest OpenStack-based cloud service and its new virtualization program.