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System & Utilities

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LOCATION CHANGED: KDE 4.10 Release Party in Karlsruhe, Fr 8th February 2013

System & Utilities
Important: The location of the release pary in Karlsruhe I announced has changed! I'm really sorry, I hope this message reaches everybody in time!
This is the first time I'm trying to organize a release party -- and of course everything went wrong ;)

I wanted to wait a while before reserving a table at the restaurant to have somewhat accurate information about how many people are coming. That was a mistake, of course -- there's a football game on friday, and "Der Vogelbräu" is full already, no tables are available for reservation. Thus, we will now meet at

Badisch Brauhaus,

instead. Time is the same, still Friday the 8th at 20:00. This time, I already have a table reserved for us (name is "Brauch") -- so everything should be alright now :)

Подробнее | Разместил: Planet KDE | Дата: 07.02.2013 | Прочитано: 524 | Комментарии

KDE SC 4.10 packages for openSUSE

System & Utilities

As of today KDE SC 4.10 final packages are available for openSUSE 12.2 and Factory users. The new KR410 repo got built and you can replace your KR49 repos with it. KDE SC 4.10 will be part of openSUSE 12.3 and all minor updates for that KDE release will be shipped via the official update channel. Of course KDF does also contain KDE SC 4.10 final.

Currently there are no major bugs known. As already mentioned before, kio_sysinfo got replaced by kinfocenter because kio_sysinfo for openSUSE is unmaintained.

It is recommended to run nepomukcleaner to get rid of all legacy data. Beware though that it might take a long time. If you have nothing valuable in your nepomuk database, it is probably quicker to just remove its data from ~/.kde4/share/apps/nepomuk and start from scratch.

Another thing to note: if nepomuk crashes while indexing you might encounter an almost two years old Qt bug which according to the report, Qt devs are reluctant to fix. The problem of this bug is that after the crash more...

Подробнее | Разместил: Planet KDE | Дата: 06.02.2013 | Прочитано: 576 | Комментарии

KDE 4.10 Released, the Fastest KDE Ever

System & Utilities

It brings many improvements, features and polishes the UI even further, which already is one of the most polished, stable and mature desktop environments.

Подробнее | Разместил: KDE News | Дата: 06.02.2013 | Прочитано: 680 | Комментарии

FOSDEM: Open Science and Open Chemistry

System & Utilities

I will be talking about the Open Chemistry Project at FOSDEM this year in the FOSS for scientists devroom at 12:30pm on Saturday. I will discuss the development of a suite of tools for computational chemists and related disciplines, which includes the development of three desktop applications addressing 3D molecular structure editing, input preparation, output analysis, cheminformatics and integration with high-performance computing resources.

Open Chemistry

On Sunday Bill Hoffman will be speaking in the main track about Open Science, Open Software, and Reproducible Code at 3pm on Sunday. Bill and Alexander Neundorf will also be talking about Modern CMake in the cross desktop devroom on Saturday.

FOSDEM is one of the first conferences I attended (possibly the first, I can't remember if I went to a science conference before this). It will be great to return after so many years, and hopefully meet old colleagues and a few new ones. Please find me, Bill or Alex if you would like to discuss more...

Подробнее | Разместил: Planet KDE | Дата: 31.01.2013 | Прочитано: 597 | Комментарии

hanging out

System & Utilities

Yesterday I mused on Google+:

I used to do a "seigo on kde" live video cast back in the day ("straight from his bedroom, heeeeeeere's aaron!" ;) with viewer interaction, and they were a lot of fun and pretty well attended.

Years have passed, and I'm considering starting up again using Google+ Hangout, though with a slightly broader scope to encompass the bigger world of things that make up the Free software user experience landscape. It'll retain a KDE perspective, but not be limited exclusively to "things KDE makes".
The response was quite good .. and so I've decided to go ahead with it. I'll be hosting the first Hangout tonight (!) at 18:00 UTC. Why the short notice? This will be something of a dry run to get the feel for "on air" Hangouts, both in terms of the production bits and the audience management. If all goes well tonight with the technical details, I"ll make this a weekly thing more...

Подробнее | Разместил: Planet KDE | Дата: 31.01.2013 | Прочитано: 606 | Комментарии

Announcement: KDE 4.10 Release Party in Karlsruhe, Fr 8th February 2013

System & Utilities

The KDE 4.10 release is near, and since Lydia Pintscher moved to Berlin :( there have not been any more release parties! This state is unacceptable and needs to be changed. Thus:

There will be a KDE 4.10 release party in Karlsruhe, Germany, on Friday, the 8th February 2013. Start of the event is 20:00 at "Der Vogelbräu". Please add yourself to the wiki page if you already know you'll come!
Those events have proven to be a very nice opportunity to meet other KDE enthusiasts and developers from nearby in the past (also there's beer!) -- so if you live near Karlsruhe and you like KDE, there's no reason not to drop by!

Please observe the wiki page for eventual updates.

Подробнее | Разместил: Planet KDE | Дата: 31.01.2013 | Прочитано: 547 | Комментарии

kjs finally under 1000 fails!

System & Utilities

Hello again planet,

I finally got time to konquer the kjs world once more. I was kinda busy in the past month and I still am. Many month have past and kjs was still over 1000(1004) fails in the ECMAScript Testsuite. But finally I broke the 1000 fails border, with implementing Function.prototype.bind, there are now under 1000 fails, even better also under 900! „Only“ 895 fails now.


But if you look more closely at those 895 fails… ~700 are from strict testcases, which is like no gain for the user, ~100 are some not deletable properties of the standard builtin Objects, minor gain in some special situations for the user, and ~50 are because of some special call usage with null and undefined, maybe minor gain. So overall kjs is not in a bad shape…. function wise…

But sadly… I couldn’t commit any patches, they are still waiting for review, so don’t be surprised if your konq still shows 4147 fails. more...

Подробнее | Разместил: Planet KDE | Дата: 31.01.2013 | Прочитано: 521 | Комментарии

Nepomuk Cleaner

System & Utilities

Nepomuk has a unique problem of maintaining an RDF store. Unlike traditional SQL based stores, RDF offers a very loose schema, which is a HUGE advantage. Unfortunately all of the current RDF stores do not support any form of schema enforcement. It's up to the client code to make sure that the data being pushed is valid.

This has resulted in a number of problems such as strings being stored where an integer should go.

With the KDE Workspace 4.7 release, we started employing our own form of schema enforcement in the Nepomuk Storage Service, but the old incorrect data still remains. Also, as Nepomuk has evolved as a project, we have found better ways to store data. Since the schemas are so loose, we could easily store both the old and the new data without any problems on the database level. This obviously results in more complex client code which has to handle both legacy and new data.

For this release, we decided to clean up the code to a certain extent and stop supporting some of more...

Подробнее | Разместил: Planet KDE | Дата: 30.01.2013 | Прочитано: 812 | Комментарии

Plasma NM

System & Utilities

Plasma NM

SHA256Sum: 926e9bbbc848219ea6314cc84325216397732c8ad1b94ba41b5c9e53b54773b2

Because of bug 313291 I really recommend upgrading to this new version.


. fix version string (it is wrong in Plasma NM
311837: fix Metric edit box in VPN's routes window.
304466: add workaround to prevent crash when disabling wireless also disconnects the wifi card from motherboard.
313291: fix Ok button when adding/editing connections.
312305: add support to IPv6 Privacy Extension.
312656: quote file names when exporting openvpn configuration file in case they contain white spaces in their names.
. improve vpn import/export error handling.
311032: ignore "ghost" connections.
311348: workaround visual glitch in Back button in interface details window.
311894: fix disabling IPv4 configuration (usefull if you only use IPv6).

The following languages have more than 80% of strings translated:

bs ca cs da de el es et fi fr gl hu it kk km lt nb nds nl more...

Подробнее | Разместил: Planet KDE | Дата: 30.01.2013 | Прочитано: 606 | Комментарии

LibreGraphicsMeeting 2013 coming soon

System & Utilities

Once a year all or most of the applications around graphics from the free software world come together and work on new ideas and features for there software. The event where they come together is called LibreGraphicsMeeting. Oyranos participated always the last years in that meeting and got a lot of feedback and ideas from it. This year the LibreGraphicsMeeting will take place in Madrid/Spain and there is still time to submit interesting presentations around free software and graphics. As always the LibreGraphicsMeeting tries to collect some money for travel costs of the participating developers.

But there is more, last year we tried to get Gustav Gonzalez to the LGM and it didnt happen. This year Sirko started an campaign very early, as Gustav needs an visa for Spain he has to show flight tickets and accomodation for get it until 15th of February. Now we have nearly the sum for the flights, we looked for more...

Подробнее | Разместил: Planet KDE | Дата: 24.01.2013 | Прочитано: 641 | Комментарии

Skrooge 1.5.1 released

System & Utilities

Blog Tags: 

The Skrooge team is pleased to announce the release 1.5.1 of its popular personal finances management application. The attentive reader will notice that there is no annoucement for version 1.5.0... This is because I was too slow to make it before Stephane published a new version Tongue Out.

This new version's highlights contains :

  • Automatic import through weboob. In spite of the [funny | questionnable | silly] (pick your choice) name and general tone, weboob is a quite interesting technology allowing to fully automate the process of downloading data from your bank, by parsing its html page. Backends are available for a few banks, but writing additional backends is actually quite easy with some python knowledge, and their community will welcome your contributions.
  • Overall performance improvement
  • Nicer line graphs more...

Подробнее | Разместил: Planet KDE | Дата: 24.01.2013 | Прочитано: 611 | Комментарии

First User Developed KDE-LightDM Theme Created

System & Utilities

As KDE-LightDM prepares for heading into extragear, I'm busy tying up all the loose ends and final bits of polish on the product. One of the final items left is working on making it easy for modders and hackers to build their own themes and make these really easy to install for all users.

In recent weeks, I've had two people contact me with regards to making their own themes which is really encouraging.

Stoica-Marcu Andrei (FlowRiser) has developed a login manager theme that looks like the login theme that mimics the video game "League Of Legends". As an old person I don't really know what that is, but I do know it looks very nice. The still screenshot shot does not do it justice, there's things animating and moving and there's sound and all sorts.

Whilst this obviously isn't to everyone's taste and won't ever be shipped with KDE-LightDM, it's really encouraging to see someone take the flexibility the QML-powered theme engine provides and make something really unique with it more...

Подробнее | Разместил: Planet KDE | Дата: 24.01.2013 | Прочитано: 653 | Комментарии

Professional Graphics Creation on Linux

System & Utilities

There is far more to multi-media production on Linux than GIMP , the beloved drawing and painting program, though it seems that is all there is because it gets all the attention.

Подробнее | Разместил: KDE News | Дата: 24.01.2013 | Прочитано: 625 | Комментарии

Very Important Update for Calligra 2.4 and 2.5 Released

System & Utilities

Attention, this is a crucial update!

The Calligra team releases updates to the 2.4 and 2.5 series at the same time: versions  2.4.4 and 2.5.5. These releases include fixes for two major bugs in the Sheets application which made recalculations of spreadsheet contents go wrong under certain conditions. We urge all users of Calligra Sheets to update immediately.

In addition these releases contain a number of other important bug fixes.

Bugfixes in This Release

Here is an overview of the most important fixes that are in 2.4.4 and 2.5.5. There are several others that are not mentioned here.


  • 2.5.5: A few build issues on Windows.


  • 2.4.4 and 2.5.5: A very nasty bug which made recalculations of spreadsheet contents go wrong under some circumstances (BUGS: 312981, 313010)


  • Kexi Forms:
    • 2.5.5: Description was ignored in Command Link button
    • 2.4.4: Make palette background color property in text editor work (BUG: 309274)
    • 2.4.4: Fix “data source tag” for text box (regression because of changes in KDE libraries’ line editor) more...

Подробнее | Разместил: Planet KDE | Дата: 24.01.2013 | Прочитано: 761 | Комментарии

The Road To KDE Frameworks 5 and Plasma 2

System & Utilities

On Linux, they will run atop Wayland or Xorg as display server. The user interfaces move away from widget-based X11 rendering to OpenGL.

Подробнее | Разместил: KDE News | Дата: 23.01.2013 | Прочитано: 673 | Комментарии

Update: Nexus 7 & PlasmaActive vs. 3G

System & Utilities

Just a small update to (partly) answer my own question: apparently, the 3G modem in the Nexus 7 can be accessed via the cdc_acm Linux kernel driver. Great thanks to whoever activated that option in our hardware-adaptation kernel (I suspect Tuomas did this. :) ).

To cut a long story short. After inserting my SIM card into the Nexus 7 (Note that I have disabled the PIN for this particular card.) a new “Mobile Broadband” device showed up in the network manager applet. According to the info there it is the device /dev/ttyACM0. Note that I have two ttyACMx devices here on the Nexus 7 3G version, 0 and 1. According to the modem-manager debug output the 3G modem is identified as “XMM6260″, which corresponds to the other sources that say this chip is built into the Nexus 7.

So far so good, however, there is the problem that the XMM6260 seems to use a (slightly?) different command set. Apparently ofono already has an according driver implementation for this chip but not modem-manager. I uploaded the more...

Подробнее | Разместил: Planet KDE | Дата: 23.01.2013 | Прочитано: 571 | Комментарии

PublicTransport 0.11 now in beta

System & Utilities

Since alpha 2 there have been many crash and bug fixes and some visual polishing. There were some random crashes with script providers and some rare crashes like trying to expand a departure item, that currently gets removed (animated).

Stop IDs are now used by the applet instead of stop names, if available. The data engine distinguishes between names and IDs, scripts know whether or not an ID was given and can use different URLs then. For providers with slow web servers the timeouts were fixed. A global timeout of 60 seconds is now used for script execution and asynchronous network requests (synchronous requests are counted as script execution time). Previously there was a global ~10 seconds timeout, making the default timeout for network requests of 30 seconds senseless.

Getting additional data for multiple timetable items at once now works much faster, because all requests get started together, not one after the other.

Besides fixing bugs I did some visual polishing of the applet. All route items now use the same angle for the stop names. The more...

Подробнее | Разместил: Planet KDE | Дата: 17.01.2013 | Прочитано: 652 | Комментарии

Active, images and devices

System & Utilities

As I wrote before, we are trying to make PA4 as stable as possible, and as well as it was noted by some people, this involves also having images for a wide variety of devices.

What I'm doing, is kindof even another step: making the image creation as easy as possible, so that is possible for people to contribute easily in the creatoin process of those images, (especially images for previously unsupported devices).

In Mer, that is the base of Plasma Active the OS images are created from an instruction file called kickstart. you can find a source repository that creates kickstart files for plasma active here:

git clone git://

Then, what you have to do is installing a Mer SDK, following the instructions here. This is very easy, is more or less uncompressing a tarball and running a shell script inside it, and should work on any distribution.

Then, from inside the SDK chroot environment, go where you downloaded the git repo (your home is accessible from there) and do:

mer-kickstarter -e . more...

Подробнее | Разместил: Planet KDE | Дата: 17.01.2013 | Прочитано: 675 | Комментарии

Post Google Code-in - an exhilarating journey ends

System & Utilities

How long had I been waiting for this to commence - every month, every week, every day passed so painfully slowly - it seemed like eternity. I sometimes felt like a little kid imagining weird things - imagining being in some limbo land where the clock just wouldn’t tick any further.

And finally it happened on the 26th of November, 2012. The Google Code-in ‘rocket’ had launched from the lands of the ‘Google empire’ to many thousand homes where young developers were ready to explore the world of Open Source in the next 50 days of their life. I am one of those students. I’m not exaggerating - seriously. I’m just giving voice to the feelings of hundreds of teenagers who participated in Google Code-in 2012.

After contributing to KDE in GCI ‘11, I was determined that this year I would be doing the same. Thankfully I got this opportunity and I grabbed it with both hands!  

I was able to do 71 tasks for KDE and acquired a lot of knowledge while doing each one of them. And by knowledge I don’t mean more...

Подробнее | Разместил: Planet KDE | Дата: 16.01.2013 | Прочитано: 716 | Комментарии

Using Conky on KDE – My setup

System & Utilities

I had grown tired of the look of the system meter plasmoids in my desktop. I was looking for a more minimalistic yet complete system information.

Browsing around, I came across several desktop screenshots with Conky and KDE, and I liked them. Previously, I had the idea that it was suited only for Gnome, but these screenshots changed my mind. So I got to the task of finding a suitable configuration to replace my current plasmoids and some blink in the process.

First, I wanted a big clock. I had come across several examples with a big clock on the desktop, and I liked that. This is what I came up with.

conky2Yes, I know there’s a clock on the panel. This one was just for the looks. Here is the conkyrc file for it. conky_clock

Then, on to the real interesting setup, with system information, and weather. The system meters one weren’t hard, save for the temperature and fan rpm. I had to install lm-sensors more...

Подробнее | Разместил: Planet KDE | Дата: 16.01.2013 | Прочитано: 597 | Комментарии

Mobile Linux Rivals Ubuntu And Sailfish Could Share APIs

System & Utilities

"Linux phone platforms Ubuntu and Sailfish could move closer together along with Plasma Active from KDE, as the groups behind them are talking about using common Application Programming Interfaces in their work on User Interface design.

Подробнее | Разместил: KDE News | Дата: 15.01.2013 | Прочитано: 740 | Комментарии

[Help KWin] Create a KConfigXT file for KWin’s configuration

System & Utilities

Just the other day a user in IRC complained about a default in KWin. I thought that the default he expected, is the one which is set in KWin sources. So I opened the respective source file and saw my assumption confirmed. But still the user claimed that there is a different default and I believed him. Further investigation showed that the source code of the configuration module had a different default set. It’s probably like that for years but it shows a problem: the config values are written and read at different places and the hard coded default values might diverge.

This reminded me of the great project we had last year to migrate the configuration of the KWin effects to KConfigXT and of the project to transform the configuration modules in KWin to have ui files. The combination of both calls for a new project: let’s migrate KWin core to KConfigXT. Now this isn’t a project which we will be able to do in one go. So I will split it into more...

Подробнее | Разместил: Planet KDE | Дата: 10.01.2013 | Прочитано: 610 | Комментарии

QML component API's to come together?

System & Utilities

Just another day at the office...

The #active channel on is a place where people from a wide variety of projects that use various common bits of technology hang out. In Plasma Active we do a lot of work with Qt, QML and Mer, for instance; so we have people there from the Mer project as well as various QML focused projects.

Yesterday was therefore "just another day at the office" for us as a conversation between a Jolla (Sailfish) developer and a Canonical (Ubuntu Phone) developer about QML component API started up in the Plasma Active irc channel. Not only was everyone "Ok" with this, but consensus was that it was pretty awesome that we have a space for people to come together like this. People even said that to each other rather than let it remain silently unsaid. Contrast that with the attitude we sometimes see in development communities that discourage such "off-topic" communication between "competitors".

Well, one thing led to another and Zoltán posted an email to the Qt more...

Подробнее | Разместил: Planet KDE | Дата: 10.01.2013 | Прочитано: 593 | Комментарии

Let's see how the community reacs

System & Utilities

Hi all, this is my first 2013 post. My last post was 5 months ago because I did finish my studies (I'll graduate on March) and I had to do some work so I had no time to blog about Arch or the KDE projects in which I'd like to join (stay tuned!).

Here we come to the reason of this post: I got a mail yesterday from Laszlo Papp:

Laszlo: Hi Andrea,

Qt5 was out a while ago. Do you have any estimation for producing Qt5
packages for Arch? Do you need any help with those?

His request is fully reasonable and expected. Laszlo, you are talking with a maintainer of a bleeding edge distro: I want the latest software before it's released. Knowing that a qt5 package is already available on AUR, I replied quicly:

Andrea: There's no real hurry about that.
KDE will not use qt5 until 2014 (ok, maybe some month before) so there's no
hurry to put qt5 in [extra] IMHO.

The I got another mail from Laszlo:

Laszlo: Well, Qt5 is not just for KDE. more...

Подробнее | Разместил: Planet KDE | Дата: 10.01.2013 | Прочитано: 596 | Комментарии

More is worse: About Detail in Icons

System & Utilities

A statistical analysis shows that icons with less detail score better in terms of usability.

It seems to be an easy truth: Too much detail in icons confuses the users. So we wondered whether we could find any evidence for this truth in the data of our large scale test of the LibreOffice Icons.

First we did an expert rating and sorted the icons in two groups, depending on the level of detail in the icon.

Group 1 – Low Detail Icons

copycutnavigatornewnonprintingpdfredosavetableundoDocAsEmail copy cut more...

Подробнее | Разместил: Planet KDE | Дата: 10.01.2013 | Прочитано: 651 | Комментарии

Activity Blobs

System & Utilities

Albert’s item about Okular contributors (a great idea to thank those who contributed their time over the past year — and I’ll say thank you to all the Okular developers who make my document-reading-life a nicer place) and also Seif writing about Mozilla contributions spurred me to quickly hack together a tool to give an idea of the activity in one of KDE’s git repositories. It’s much like the venerable green-blobs graph that Paul Adams makes. It’s just an indicator — I’ve written about this time and time again, the graphs from one repository cannot be compared with other repositories, and the best you can quickly conclude based on these pictures is whether development activity in a repository is carrying on “as usual” or has changed.

So here’s a graph of Parley, a small program that is probably considered feature complete.
This is three different graphs mashed into one. There’s no dates on the graph, but it covers roughly the past year of development.

Подробнее | Разместил: Planet KDE | Дата: 09.01.2013 | Прочитано: 647 | Комментарии

System & Utilities

Over the Christmas season we bought an electronic drum kit so that my daughter can practice at home; she’s 9, but I hope that some day we can play “Ace of Spades” together. But the most exciting item in the large box was the empty box! I have not opened it up to ascertain if, indeed, the box is empty. Who knows, it might even contain KDE 4.9.3 packages for FreeBSD.

ObKDE: I found David Narváez post about the term “real-life” intriguing. Way back, Sebas and I used the terms “work-work” and “kde-work” to distinguish between “the time spent developing software for which (time) we are paid” and “the time spent developing software which is fun”. That seems a little less pejorative (and sometimes the two overlapped). But there’s another angle, not one pitting “KDE time” against “useful time” like David suggests. It may be that people writing about “real life” use that as a contrast to “that portion of life spent in virtual environments”, i.e. that it’s about computer-vs-non-computer related more...

Подробнее | Разместил: Planet KDE | Дата: 09.01.2013 | Прочитано: 488 | Комментарии


System & Utilities

This tutorial shows how to install Ubuntu 12.10 on the btrfs filesystem on a Hetzner server with two hard drives.

Подробнее | Разместил: KDE News | Дата: 07.01.2013 | Прочитано: 482 | Комментарии

Red Hat Bachelor & Diploma Theses about KDE projects

System & Utilities

Every year Red Hat Czech offers a list of topics for bachelor and diploma theses to students from local universities. The topics are usually suggested and posted by Red Hat employees who then work with the students as technical consultants and mentors.

We see this as a good opportunity for students to learn about open source software, communities and collaboration and for us to find potential future employees Smilie: :-) (so there’s a great motivation too). We want students not to see their diploma or bachelor thesis as some boring obligation, but rather a “fun” way to learn new things, meet people and gain experience. And last but not least they are potential contributors to the projects they are involved in.

This year I managed to get several students I’m mentoring to pick a topic related to KDE.  Although all projects are somehow related to KDE Telepathy, it’s a good start Smilie: ;-)

Today I want to introduce work of first two students, Stanislav Láznička and Artur Dębski.


Stanislav more...

Подробнее | Разместил: Planet KDE | Дата: 03.01.2013 | Прочитано: 647 | Комментарии

KDAB contributions to Qt 5.0 (part 4)

System & Utilities

Continuing the series on KDAB contributions to Qt 5.0 (part 1, part 2, part 3), this time we cover C++11, and various optimizations

C++11 support

There have been many people and companies working on C++11 support in Qt 5. KDAB was involved in several Qt 5 features which relate to C++11. An overview of the features in Qt 5 which relate to C++11 is available from a presentation last Autumn.

One of the porting issues in a Qt 4 to 5 transition is that the QSKIP macro now takes only one argument where previously it took two. This is a source incompatibility for users to deal with. As macros can not be overloaded the way that functions can, a different solution is needed. That’s where  variadic macros become useful. If C++11 is enabled when compiling a file which uses QSKIP, the definition of that macro looks like this:

#define QSKIP(statement, ...) QSKIP_INTERNAL(statement)

The QSKIP_INTERNAL macro is the implementation of the regular more...

Подробнее | Разместил: Planet KDE | Дата: 03.01.2013 | Прочитано: 711 | Комментарии
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