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Screenlocker architecture in Plasma Next

Filed under
KDE

The 14.04 release of Unity unfortunately shipped with a few security vulnerabilities in the newly introduced screenlocker. As we will also ship a reworked screenlocker in Plasma Next I started to do another code audit, add more unit tests and try to make the code easier to understand and maintain. Furthermore I think it’s a good reason to explain how screenlockers work in general on X11 (and why it is easy to introduce security vulnerabilities) and the screenlocker in Plasma Next in particular. To make one thing clear: this post is not meant to shame Ubuntu for the issues. Some of these whoopies would have been possible in Plasma, too, and that’s the reason why I looked at the code again in more detail. On the other hand I think that our screenlocker in Plasma Next could be a solution for Unity’s use cases and I would appreciate if Ubuntu would adpot our solution.

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Debian: Call for help from KDE Team

Filed under
KDE
Debian

For quite a while now the KDE team has been severely understaffed. We maintain
a lot of packages, with many different kinds of bugs, but we don’t have enough
people to do all the work that needs to be done. We have tools that help us
automate the update to new upstream releases, but that’s just the tip of the
iceberg of our work and so we are writing to invite more people to get
involved in the team and help us get KDE software in Debian into better shape.

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The development of SlideViewer – a QML based presentation program

Filed under
KDE
Software

So SlideViewer was born. The beauty of it is that all our Qt developers can help to add features and fix bugs, and even more importantly, we no longer have to stare at incomprehensible error messages from LaTeX, or hunt down a book that will tell us how to get page numbers in the table of contents.

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Konqueror vs Firefox

Filed under
KDE
Moz/FF

Firefox has extra features that Konqueror doesn't have and the add-ons might be a deal breaker for some people. The page rendering worked perfectly on every site I tried and to be honest I use it everyday so if it didn't work I wouldn't use it.

Konqueror would be fine for most circumstances but there was at least one example of a page not rendering properly. This could be the reason that openSUSE ships with multiple browsers.

Have you used Konqueror? What have been your experiences?

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Calligra 2.8.1 is Out

Filed under
KDE

Packages for the release of KDE's document suite Calligra 2.8.1 are available for Kubuntu 12.04 LTS and 13.10. You can get it from the Kubuntu Backports PPA (alongside KDE SC 4.13). They are also in our development release.

Bugs in the packaging should be reported to kubuntu-ppa on Launchpad. Bugs in the software to KDE.

To update, use the Software Repository Guide to add the following repository to your software sources list.

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Qt 5.3 Release Candidate Planned For End Of Week

Filed under
KDE

Jani Heikkinen of Digia has announced the RC candidate packages for Qt 5.3 via the Qt Project web server. These packages will become the official Qt 5.3 release candidates should no serious issues be uncovered in the next few days. It was shared that the goal is to put out this release candidate on Friday, 2 May.

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KDE Ships April Updates to Applications, Platform and Plasma Workspaces

Filed under
KDE

Today KDE released updates for its Applications and Development Platform, the fifth in a series of monthly stabilization updates to the 4.12 series. This release also includes an updated Plasma Workspaces 4.11.9. Both releases contain only bugfixes and translation updates, providing a safe and pleasant update for everyone.

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KDE Telepathy Sprint

Filed under
KDE

In KDE Telepathy we provide several plasma widgets, which need to be ported in order to run on Plasma Next. In order to do this we first had to port our libraries to work on top of KDE Frameworks. By the end of the sprint we had the contact list and chat plasma widgets fully running and working on Plasma Next. We hope to release the widgets so that they are available for Plasma Next users

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Subsurface 4.1 Beta released

Filed under
KDE

Ah, it’s that time of the year again, that time when the summer is rising up, the temperatures are warming, you are getting your gear around and planning to go to the beach to do a swim and suddenly you discover that there is a dive software for linux and you wanna try it doing a scuba diving on your nearest beach resort.

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Re-sort KDE control modules

Filed under
KDE

To look for a particular system settings can be annoying when you do not know in which control module you have to look for. KDE SC has a bunch of top level categories that partially overlap (e.g. Application appearance and Workspace appearance) or rather seem to coincide to normal users. So it’s a good idea to take this arrangement under investigation.

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More in Tux Machines

Security Leftovers

  • NSA backdoor detected on >55,000 Windows boxes can now be remotely removed

    After Microsoft officials dismissed evidence that more than 10,000 Windows machines on the Internet were infected by a highly advanced National Security Agency backdoor, private researchers are stepping in to fill the void. The latest example of this open source self-help came on Tuesday with the release of a tool that can remotely uninstall the DoublePulsar implant.

  • Turns out, pacemaker security is terrifying

    Ultimately, St. Jude Medical's stock plunged as much as 10 percent in the aftermath. The company launched a lawsuit against MedSec and Muddy Waters, and the three firms skirmished in the press again when MedSec's findings were allegedly reproduced by security firm Bishop Fox. What's more, the second set of researchers claimed they could take over the pacemakers at a distance of around 10 feet.

  • Chrome, Firefox, and Opera users beware: This isn’t the apple.com you want
  • [Older] Phishing with Unicode Domains

    From a security perspective, Unicode domains can be problematic because many Unicode characters are difficult to distinguish from common ASCII characters. It is possible to register domains such as "xn--pple-43d.com", which is equivalent to "аpple.com". It may not be obvious at first glance, but "аpple.com" uses the Cyrillic "а" (U+0430) rather than the ASCII "a" (U+0061). This is known as a homograph attack.

  • New Strain of Linux Malware Could Get Serious [Ed: ECT thinks that people having default username+password is a "Linux" issue? Seriously?
    A new strain of malware targeting Linux systems, dubbed "Linux/Shishiga," could morph into a dangerous security threat. Eset on Tuesday disclosed the threat, which represents a new Lua family unrelated to previously seen LuaBot malware.

12 Features That Made Unity The Best Linux Desktop

There I said it. So, naturally, I am feeling a little sad that Unity is retiring from its role as the default Ubuntu desktop. It will be replaced by (the also-awesome) GNOME Shell in Ubuntu 17.10 onwards. For the past 6 and a half years I, like millions of Ubuntu users, have been able to rely on Unity. From Qml to Compiz, from controversy to controversy, the Unity desktop has held firm. As (arguably) the one element that helped to define and mould the Ubuntu identity it’s only natural that one wonders what Ubuntu is without it. Read more

GStreamer 1.12 and More

  • GStreamer 1.12 Multimedia Framework to Support Intel's Media SDK and CineForm
    The GStreamer 1.12 major release is coming next month, but Collabora's Olivier Crête is sharing with us today some of the most important new features implemented so far by various developers. Collabora made several contributions to the widely-used open-source and cross-platform multimedia framework, and now that many of you already managed to get an early taste of the new features coming with the GStreamer 1.12 release during the RC (Release Candidate) testing phase, let's take a look at the upcoming changes.
  • Receiving an AES67 stream with GStreamer
    GStreamer is great for all kinds of multimedia applications, but did you know it could also be used to create studio grade professional audio applications? For example, with GStreamer you can easily receive a AES67 stream, the standard which allows inter-operability between different IP based audio networking systems and transfers of live audio between profesionnal grade systems.

Testing F2FS With Its Multi-Drive Capabilities

Late last year F2FS picked up multiple device support for this Flash-Friendly File-System. This F2FS multi-drive capability isn't native RAID support like Btrfs but just allows a single F2FS file-system to span multiple devices. But it's more than that in that block allocation and the garbage collection policy is modified to boost I/O performance by taking advantage of the multiple SSD/flash devices. Read more