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System & Utilities

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Living in Berlin? The Geeko comes to you!

System & Utilities
Geeko is coming to Berlin! Today, Javier Llorente arrived at my place and has organized an 'openSUSE meetup' at C-Base, Berlin's most awesome Geek Spot. It starts around 17:00 and lasts until about 20:00 - but who knows what else will happen.

We will give an overview of what's new and then it is time for some testing and playing with the new release. We will bring some USB sticks with openSUSE 13.1 RC2, so if you bring a laptop to test it on that'd be awesome!

Even without laptops you're very much welcome - a bunch of Geekos meeting always results in fun, no worries about that. Anybody is welcome, even if you happen to run another distribution...

See you there!



  
Подробнее | Разместил: Planet KDE | Дата: 31.10.2013 | Прочитано: 299 | Комментарии

kdev-python update: version 1.5.2 released

System & Utilities

I'm happy to announce the availability of a second stabilization update for the 1.5 series of kdev-python, the Python language support plugin for the KDevelop development environment. See the 1.5 announcement for more information.

kdev-python version 1.5.2
http://download.kde.org/stable/kdevelop/kdev-python/1.5.2/src/kdev-python-v1.5.2.tar.xz.mirrorlist
SHA256:84ae7015623a3848b1c1ce8e8f958c32778e9ba0afafa3ea3b3dd70687e1fe40

The kdev-python 1.5 series is compatible with KDevelop 4.5 (kdevplatform 1.5) and is suitable for working with Python 2.x source code.
If you're only interested in using (as opposed to packaging or developing) kdev-python, you should consider installing kdev-python from your distribution's package manager instead of downloading the source code.
kdev-python running in KDevelop master
Changes in this release (relative to 1.5.1):
  • Fix a bug which led to the PEP8 checker running on non-python files in some cases
  • Properly support unicode docstrings (thanks to Alexandr Zamaraev)
  • Fix a crash in code completion which happened in some rare cases
  • Fix a crash which could happen ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 30.10.2013 | Прочитано: 336 | Комментарии

OpenMandriva Lx preview

System & Utilities

OpenMandriva Lx beta has been released. This is the first beta edition of what will become the first stable release of OpenMandriva Lx, a distribution built around the latest K Desktop Environment and desktop technologies from ROSA Desktop and what??'s left of the old Mandriva.


  
Подробнее | Разместил: KDE News | Дата: 28.10.2013 | Прочитано: 387 | Комментарии

publishing content with bodega

System & Utilities

The other day I wrote about Bodega, an open market for digital content. It was impossible to get everything into one blog entry, however, as Bodega engages with people in three different ways: as consumers, as creators and as distributors. In that previous entry, I focused on what Bodega is to you when you are interacting with it as a consumer. Today we'll be exploring Bodega from the perspective of a content creator.

Warehouses and Stores

As a creator, Bodega strives to empower you. Most of the digital content systems that currently exist have you give your content to a publisher then controls where it can be delivered on your behalf. Unfortunately, this usually means that when you upload something to a specific online store, that becomes the only place people can get it from. 

This is actually a fairly odd result if we compare it to how things works in the atom-based economy. Out in the physical world, people make things and they tend to pass it through a wholesaler to distributes it to multiple retailers. Rarely ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 24.10.2013 | Прочитано: 424 | Комментарии

How Code flows – about Upstream and Downstream

System & Utilities

The FLOSS ecosystem consists of a large amount of independent projects which develop their software. In the end this software should be used by a user and we have the “distributions” to provide the software to them. As the name implies it’s about distributing the software. A distribution takes software from a large amount of independent projects and integrates them to provide a working set applications. A huge and impressive task and that’s the main task of a distribution: they are software integrators.

Various software products depend on each other and there is the chance of conflicts. The distributions need to ensure that this all works. The best matching metaphor for how this works is a river. It flows from the spring to the sea and takes on the water of many other rivers. The code flows from one project to the other to reach at the end the user.

upstream-downstream

Although that looks rather linear, it is not. In truth each independent project has many upstream and many ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 24.10.2013 | Прочитано: 397 | Комментарии

Every time you use CONFIG+=ordered, a kitten dies.

System & Utilities

QMake users: public service announcement. If you use CONFIG+=ordered, please stop right now. If you don't, I'll hunt you down. I promise to god I will.

There is simply no reason to use this, ever. There's two reasons this might be in your project file:

  1. you have no idea what you are doing, and you copied it from somewhere else
  2. you have a target that needs to be built after another target, and you don't know any better
If you fit into category 1, then I hope you're turning red right now, because by using CONFIG+=ordered, you're effectively screwing over multicore builds of your code. See a very nice case of this here.

If you fit into category 2, then you're doing it wrong. You should specify dependencies between your targets properly like this:

TEMPLATE = subdirs
SUBDIRS = src plugins tests docs
plugins.depends = src
tests.depends = src plugins

And then you'll have docs built whenever the build tool feels like it, and the rest built when their dependencies are built.

If you have subdirectories involved in this, ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 24.10.2013 | Прочитано: 384 | Комментарии

Welcome "ownCloud Documents"

System & Utilities


A couple of weeks ago I blogged about the new features in ownCloud 6. I promised a special surprise in the coming weeks. And here it is. ;-)

In the past few month we have worked on a feature that will be super useful and popular. All the development happened in a public repository on github but we haven't talked about it in public and perhaps it wasn't obvious what it was for people who found it by accident.

I'm talking about collaborative editing! This feature is implemented in an app called "ownCloud Documents" and will be part of ownCloud 6. People can view and edit their ODF text documents directly in the browser, inside your ownCloud. Another cool thing is that you can invite users from the same ownCloud to work collaboratively on the same document with you. Or you can send invitation links by email to  people outside your server to collaborate with you on the document.

Several people can navigate in the same document with different  cursors at the same time and you can see the ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 24.10.2013 | Прочитано: 434 | Комментарии

Yo, dogg, about those HDDs

System & Utilities

HDD cleanup continues apace. I did like the wisecrack about semantic storage — although it’s not quite correct, since these are drives removed from otherwise decommissioned machines, or tarballs rolled of my university student account before the departmental Solaris server was decommissioned. It’s more like moving boxes never before opened (I know there’s several that I moved house with 8 years ago that are still awaiting an opening moment). In the mean time I’ve discovered a bunch of academic papers I had forgotten I had ever written and a bunch of OCaml I wrote that I no longer understand, as well as several versions of my bachelor’s thesis written in the winter of 1998.

Anyway, while futzing about with all these drives I’ve set up my main machine as FreeBSD 9.2-STABLE, running KDE 4.10 (which is as new as the KDE-FreeBSD ports are — 4.11 introduces some interesting new breakage which hasn’t been dealt with yet). I could repeat what I wrote several years ago: with KDE on top, noone knows what you’re running underneath and ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 24.10.2013 | Прочитано: 445 | Комментарии

Linuxcon Talks

System & Utilities

KDE Project:

DSCF8731
I gave a lightning talk at Linuxcon about KDE and Kubuntu highlighting some of the mega rollouts with Kubuntu such as the one which is about to take over Taipai.

DSCF8729
Dan Shearer wins my award for nicest guy at the conference by introducing me to Cloudsoft who are interested in providing some cloud power to Kubuntu and generally making sure I've enough energy (I just came out of eye surgery so feeling fragile). Here giving a talk on zero knowledge proofs.

DSCF8733
Thiago giving a talk about Qt project and its many successes (and a few challenges) over the two years of its existance.


  
Подробнее | Разместил: Planet KDE | Дата: 23.10.2013 | Прочитано: 332 | Комментарии

Calligra 2.7.4

System & Utilities

The Calligra team has released version 2.7.4, the third of the bugfix releases of the Calligra Suite, and Calligra Active in the 2.7 series. This release contains a few important bug fixes to 2.7.3 and we recommend everybody to update.

Bugfixes in This Release

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

Krita

  • Fix bug 293708: Cannot paint on duplicated layer
  • Fix bug 288714: Fix layer lock after exposure change
  • Fix bug 325193: Fix crash if there are multiple local selection masks

Kexi

  • Fix bug 325070: Saving new table design for the first time does not clear history of edits

Try It Out

As far as we are aware, the following distributions package Calligra 2.7. This information will be updated when we get more details. In addition, many distributions will package and ship Calligra 2.7 as part of their standard set of applications.


  
Подробнее | Разместил: Planet KDE | Дата: 17.10.2013 | Прочитано: 468 | Комментарии

Discover your System with Kubuntu 13.10

System & Utilities

KDE Project:

Packaged full of lovely goodness is the upgrade to 13.10, grab it now..

http://www.kubuntu.org/news/kubuntu-13.10

Highlights include...

New Software from KDE - KDE Plasma and Applications 4.11
New app installer - Muon Discover
New accounts setup - User Manager
Easier to get everything during install - Wireless Setup in Installer
KDE Telepathy with Better Text Editing and Improved Notifications
New Network Manager applet
Easier to report what you're using with About System
documentation returns at http://docs.kubuntu.org
still using good old X.org and planning to follow the rest of the ecosystem with Wayland

Remember Commercial Support is available and you can help Kubuntu with buying Merchandise and giving Donations

Enjoy it all.


  
Подробнее | Разместил: Planet KDE | Дата: 17.10.2013 | Прочитано: 353 | Комментарии

Kubuntu 13.10

System & Utilities

Kubuntu 13.10

Welcome to Kubuntu 13.10, a brand new version with the latest KDE software to enjoy.
Upgrading from Previous Versions Download a Disk Image
To upgrade to Kubuntu 13.10 from previous releases, click on the notification which will appear in your panel.

  
Подробнее | Разместил: Planet KDE | Дата: 17.10.2013 | Прочитано: 393 | Комментарии

HDD Cleanup

System & Utilities

Last week I sat down with a pile ‘o hard drives of varying vintage (although all of them SATA-era), ranging from 80GB to 500GB, which had been used in machines over the past ten years. The idea being to sort out what’s where and why and to consolidate the interesting bits. First order of business on each drive was figuring out what partitioning scheme and filesystems were on there. I suppose if you stick to one OS over time that’s a simple thing, but I have fdisk+ext2 filesystems, gpt+zfs, gpt+gmirror+gstripe+ufs and other things in the mix. Reconstructing the path from two physical drives labeled “Comice” and “Anjou” to a readable filesystem can take a while.

Anyway, interesting bits have been recovered, like an older mp3 collection of mine ripped from CDs I can no longer find (they must be somewhere in the house, in a box labeled “beware of the leopard” or something like that).
Some of the drives were once in various KDE servers or machines I gave acces to for KDE ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 17.10.2013 | Прочитано: 439 | Комментарии

PIM Sprint, here I come!

System & Utilities

I just booked my train tickets to Brno for the KDE PIM Sprint 2013 this November!

There I plan to discuss the future of KMail Active with Michael Bohlender, my ideas for task-centric communication using KPeople with the KPeople people (muahahaha!), as well as general KDE PIM usability stuff with everybody who does UIs in KDE PIM. And, given that people like Àlex Fiestas, David Edmundson, Jan Grulich, Vishesh Handa or Martin Klapetek are there as well, there will probably also be quite some non-PIM-related stuff to talk about.

Since sprints are mostly “hacking time” for the devs, I will have to find some non-discussion stuff to do during the times when all you can hear in the room is the clacking of keyboards, so maybe I’ll use the time to improve my QML skills (a KDE sprint is surely a good occasion for that because there are always people around who know QML quite well already).

I’m looking forward to seeing so many nice ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 16.10.2013 | Прочитано: 428 | Комментарии

CobraWinLDTP added to PyPI

System & Utilities

Cobra WinLDTP is based on Linux Desktop Testing Project - http://ldtp.freedesktop.org LDTP works on Windows/Linux/Mac/Solairs/FreeBSD/NetBSD/Palm Source, yes its Cross Platform GUI testing tool.


  
Подробнее | Разместил: KDE News | Дата: 09.10.2013 | Прочитано: 372 | Комментарии

Bodega Asset Ratings

System & Utilities
One crucial feature for a content store are the ratings of an asset,
every content store needs some ratings in its assets. So we had to figure
out how to handle the ratings in in bodega, my idea was to
use the 5-star rating system. I was thinking “What could go wrong? Its the system that most of
the content systems are using.” well here is what it could go wrong http://xkcd.com/1098/ :)
The image from the xkcb explains how meaningless is the 5-star rating system. Then Aaron proposed an alternative solution and is the one which we use. Every category of assets would have a few rating attributes
which would have a description and a value. So, here is an example, all the assets of the category games would have rating attributes such as:
  • performance
  • stability
  • playability
those attributes can have values from 1-5 which will have guiding text to help the user decide how to rate the item. for instance, stability might have as 1 star the value ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 26.09.2013 | Прочитано: 460 | Комментарии

New Wraparound Tool!

System & Utilities

Krita 2.8 will have some really awesome features! Today we are going to show you the new "Wraparound Tool" that will be available in the next release.

This cool feature is for creating infinitely tilable textures, just press "W" key and start to enjoy:

{youtube}9ICGks0-InQ{/youtube}

Thanks to Paul Geraskin (Mifth) for this video!


It consists of two parts:

  1. View Part: repeats your image on the display.
  2. Brush Engine: painting outside of the image borders will look like the borders are connected to each other, that will seem that you are painting being inside a closed sphere. It will never end!

Above usual painting, you can use "Move Tool" in this mode. Try it and get a nice, psychedelic effect :)

Image creds: David Revoy

Image creds: Paul Geraskin (Mifth)

 

...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 26.09.2013 | Прочитано: 428 | Комментарии

Switching to Kubuntu comments

System & Utilities

KDE Project:

Some comments on switching to Kubuntu from a recent Slashdot article...

I switched to Kubuntu ... I haven't looked back. I like *buntu distributions simply because they're the easiest to get up and running. Unless you need a highly customized Linux system, you can't argue with *buntu's simplicity when it comes to installation.

I can't upvote this enough. Kubuntu is a perfectly decent distro. KDE 4 has finally come of age.

I just wiped my box after a drive failure and went Kubuntu. It's early days but so far I love it. It's very polished, responsive and easy to get "functional" IE with binary NVIDIA driver, non-free codecs etc. It feels like a premium product I should have to pay for.


  
Подробнее | Разместил: Planet KDE | Дата: 26.09.2013 | Прочитано: 371 | Комментарии

Help test Kubuntu 13.10 Beta 2

System & Utilities

KDE Project:

Download and test the beta 2 candidates and report on that iso testing site. Upgrades also need testing. If you're wondering how to help Kubuntu, this is how. Virtual machines and real hardware needed. Join #kubuntu-devel to chat.


  
Подробнее | Разместил: Planet KDE | Дата: 26.09.2013 | Прочитано: 378 | Комментарии

The End of the Google Summer of Code

System & Utilities

The GSoC coding period has ended last Monday. In this blog post, I will summarize what I have done during the summer, to give a general idea of what you can expect from a future version of Nepomuk, if my work is accepted by the Nepomuk maintainers.

The source code of the first two projects is available in the steckdenis-gsoc2013 branches of the nepomuk-core and nepomuk-widgets Git repositories. The browser plugin can be found in the scratch/dsteckelmacher/nepomukintegration.git scratch repository.

The Nepomuk Query Parser

The first part of my GSoC project was to implement a new user query parser for Nepomuk. This parser is responsible for translating queries entered by the user into a formal representation suitable for querying the Nepomuk database.

Project Goals

The current version of the parser (that is used for years now) is based on regular expressions. It recognizes a language close to what you can use on Google (“foo -bar title:something”). At the beginning of the project, Vishesh Handa explained me that this parser has limitations (it is not able to parse file sizes, and its parsing of date-time ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 26.09.2013 | Прочитано: 812 | Комментарии

Frameworks 5: KDE Libraries Reworked Into Portable Qt Modules

System & Utilities

The KDE Frameworks, designed as drop-in Qt Addons , will enrich Qt as a development environment with functions that simplify, accelerate and reduce the cost of Qt development.


  
Подробнее | Разместил: KDE News | Дата: 25.09.2013 | Прочитано: 375 | Комментарии

Reminder: register from the KDE PIM autumn sprint!

System & Utilities

Quote from Dan Vratil:

===============================================================

A friendly reminder that deadline for requesting travel and/or accommodation
sponsorship from e.V. is in 6 days, on October 1st, so please register on
sprints.kde.org if you haven’t done so yet.

Also if you want to have your accommodation arranged by organizers, please fill
it in sprints.kde.org until the same date, so that I can book the hotel as
soon as possible.

Looking forward to see you all

Cheers,
Dan

===============================================================


  
Подробнее | Разместил: Planet KDE | Дата: 25.09.2013 | Прочитано: 1459 | Комментарии

How KDE Connect encryption works

System & Utilities

The goal of this post is that the security experts out there find flaws in our design so we could improve the security of KDE Connect, which is an important point. Probably this will get too technical if you don’t know what RSA keys are, so proceed under your own responsibility ;) .

The first thing we need in KDE Connect is the discovery of other devices. At the moment we provide a single backend that uses network UDP broadcast to achieve this. When a devices connects to a new network, it sends a broadcast message with its unique ID and name and how reach it (that is: ip and port). Other devices will react to that broadcast sending back their own information, so both devices will know each other.  (Note: We tried Avahi instead of a manual UDP broadcast, but finally we didn’t use it because we found two main problems: the Android implementation is of extreme poor quality, plus multicast is sometimes blocked by routers :( ).

At this point the ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 19.09.2013 | Прочитано: 353 | Комментарии

Frismakers Festival Berlin – “Open Source as a corporate culture”

System & Utilities

Is it possible to convey an idea comprehensively  in 5 minutes? The Frismakers movement seems to think so. I had a chance to try it at the recent Frismakers Festival in Berlin, where I presented on how we apply the Open Source way to build Endocode and its corporate culture. This was a challenge for the five minute format because it is just not a trivial idea.

Endocode Frismakers PresentationThe question I raised in the talk was how experienced Open Source contributors would design a company. When asked about what motivates them, contributors often say it is the sense of creative accomplishment and working with others that share their interests. When we started Endocode, we wanted to retain and channel that kind of intrinsic motivation. While others are searching for the Open Source business model, we wanted to create a business that allowed us to work in the Open Source Way, a place where contributors like us would want to work. Among other things, ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 19.09.2013 | Прочитано: 360 | Комментарии

Some updates

System & Utilities

Hello everybody!

It’s been a while since my last post, and it’s about time i tell you some of the progress on the kmix2 project. At last, kmix has now multimedia players support. For now, all major mpris-enabled audio players are ready and stable. Supported players for now are: Amarok, VLC and Clementine! I’ve having some thoughts about the libraries needed to support them. First thought was to create a generic mpris library and call every player using its respected dbus path. That seemed a little inconvenient, as long as differnt players support different/or unique features that other players don’t. That said, at some point we would need a different class for amarok, an other class for vlc etc supporting those features. The best idea (so far) was to create a different class for every player, in which I code its mpris implementations plus all the other features via dbus. All these classes are exposed to a central class by the name «Players», so everybody who wants multimedia players support can just create a Players class instance in his/her code ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 18.09.2013 | Прочитано: 339 | Комментарии

10 reasons why you should try Krusader

System & Utilities

Find out 10 reasons why you should try Krusader, a twin-pane file manager that might be faster than Dolphin on older computers or just a better match for your computing habits.


  
Подробнее | Разместил: KDE News | Дата: 17.09.2013 | Прочитано: 351 | Комментарии

Short Tip: Fix input/output error while creating LVM backed VMs with libvirt

System & Utilities

shell.png
Today I run into a strange error where I was not able anymore to create new VMs with virt-manager: I always got an input/output error when I tried to start the machine after installation.

A look into /var/log/syslog showed quite some errors on the dm-device – note that my VMs disks usually are on logical volumes.


Sep 12 15:27:55 example kernel: [19298.163712] device-mapper: snapshots: Invalidating snapshot: Unable to allocate exception.
Sep 12 15:27:55 example kernel: [19298.243980] Buffer I/O error on device dm-5, logical block 1081985
Sep 12 15:27:55 example kernel: [19298.243983] lost page write due to I/O error on dm-5
Sep 12 15:27:55 example kernel: [19298.243994] Buffer I/O error on device dm-5, logical block 1081986
Sep 12 15:27:55 example kernel: [19298.243994] lost page write due to I/O error on dm-5

The fix is pretty easy: when you create the disk and thus the LV for the virtual machine, make sure you tell virt-manager that it should allocate the entire disk right from the start. ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 12.09.2013 | Прочитано: 504 | Комментарии

Amarok 2.0

System & Utilities

Finally, Amarok 2 has been released. The 1.x series were the champions on music management (on BSD and Linux) and playing during KDE 3.x time. Actually, it was preferred on all desktop environments, shells or plain windows managers.


KDE 4 meant (and means) an enormous refactoring of basely all KDE. Amarok developers decided that was the moment for a new GUI (Graphical User Interface). At first users, seemed to be happy about it (they were they beloved Amarok creators), however, as time passed they truly started hating the new interface, some adapted, other are still using Amarok 1.4.x, and the majority, completely migrate to another application.

After that little introduction, let's explore how, the controversial, Amarok 2 is:

Amarok 2
As always, let's begin by how it looks the first time you run it, in this regard Amarok has definitively improved, the old wizard ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 12.09.2013 | Прочитано: 598 | Комментарии

Plasma 2 Snapshot Demo

System & Utilities

For those interested in the progress of KDE Frameworks 5 and Plasma 2, I’ve recorded a demo video which shows a few aspects of the current state of development of the upcoming version of your favourite Desktop.

The demo video shows the new Plasma shell running, including a panel with the task manager. It shows a demo applet doing some OpenGL tricks. The Kwin window manager and compositor is running in its Qt5 / Frameworks 5 incarnation, and there’s konsole, which has also already been ported to Frameworks 5.

Of course, all the usual warnings apply: This is a very early state of development, many things are missing, unstable or do not perform well yet. There’s also a fair bit of user interface cleanup and streamlining to be expected.

We are just about to enter a state where the desktop becomes dogfoodable, so we can use it ourselves regularly and find and iron out all kinds of bugs. The good news is of course that this ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 11.09.2013 | Прочитано: 456 | Комментарии

GSoC – Plasma active vs Plasma-nm

System & Utilities

We released the first stable version of plasma-nm today, but that was not the only thing I was working on during the last (3) months. I was working on my GSoC project and because GSoC almost ends I would like to show you my results. My GSoC project has two parts, the first part is network applet optimized for Plasma active and the second is active settings for configuring network connections.

Applet

The first idea was to have two versions of plasma-nm applet, one version for desktop and one for plasma active, but we had a session/discussion at the Akademy with Thomas and Bjorn and we came up with the perfect design which is suitable for both parties. No additional changes are needed to make the applet easily usable on Plasma active.

Some screenshots from Plasma active running on Nexus 7

applet1applet2applet3
Active settings

My focus in this GSoC was especially the network active settings, ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 11.09.2013 | Прочитано: 312 | Комментарии
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