KDE (K Desktop Environment) is a Qt-based desktop environment as well as a suite of cross-platform desktop applications.

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Ubuntu fails to boot after kubuntu-desktop uninstalled

Some time ago I installed kubuntu-desktop on my Ubuntu 14.04 using these instructions. However, after some time I noticed that my Eclipse started crashing often under KDE so I decided to remove it. I ...
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13 views

Okular - blank screen for a few seconds after opening a file

After opening any file with Okular there appears black screen for a moment as if the graphics drivers were reloaded. The problem is absent if I use different PDF viewer, e.g. muPDF. I use Kubuntu ...
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18 views

Plasma Neon 5 ruined my eyes

I have recently installed the Plasma Neon 5 from the weekly PPA! Well, I went to synaptic, tick everything that has plasma-desktop- and then apply it. Then I restarted my PC, boot into Neon 5 (using ...
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0answers
26 views

KDE power management system could not be initialized

First of all, apologies but I am very new to using kubuntu, so I would need a very basic step by step answer to solve this problem. Since my last update I am getting this error message: KDE power ...
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13 views

Coasting stopped working on Kubuntu 14.04

I had some issues setting the touchpad the way I wanted it, but I finally succeeded with the help of xinput (I had to write a script that resets everything the way I want it after reboot, because KDE ...
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54 views

Ubuntu 14.04 freezes after staying idle/KDE freezes

I recently upgraded to Ubuntu 14.04 from 12.04. Before updating I was warned that my graphics driver AMD Radeon HD 7600M series might not be supported/out of date. I updated the system anyhow and ...
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19 views

Screen stops working after running the install-css.sh script to enable DVD support

I've done some research on this, but so far I've found little that seems relevant to my problem. The closest is at https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=711237, but the workaround that ...
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1answer
21 views

KOrganizer in desktop

I'm using Kubuntu 14.04. I want to see the KOrganizer in the desktop all the time like if it was a widget. I've only found information on how to show google calendar events in the calendar widget. ...
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1answer
26 views

How to do unattended installation for packages which ask the same question?

I need to automate apt-get installation of kde-plasma-desktop which winds up installing both kdm and lightdm Display Managers. I'm using debconf-set-selections prior to installation to set the ...
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11 views

Core Dump on KDE [duplicate]

a problem in running some apps on KDE what is the meaning of this Error? Aborted (core dumped) $ ~/genymotion/genymotion Logging activities to file: /home/linux/.Genymobile/genymotion.log Aborted ...
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18 views

How Windowing Systems work?

I'm trying to understand how Windowing Systems work, I looked at the Wikipedia article but the explanation there is very complicated, it points to lots of different links, as it explains it's a lot of ...
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1answer
57 views

How to update to kde 4.14.1?

I have Ubuntu 14.04. I installed Kde using: sudo apt-get install kde-full That provided me with kde Platform Version 4.13.3 How can i update it to 4.14.1? Thanks Edit: A terminal command would be ...
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53 views

Network notification after installing kde-nm-connection-editor

I have installed plasma-nm on my Ubuntu 14.04. Beside nm-applet's notifications plasma-nm also started generating notification about available networks and wlan0 association with selected networks. ...
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16 views

KDE spellchecker dropdown is empty

i run Ubuntu 14.04, installed packages are kile, aspell-de and aspell-en, the problem is that the dropdowns for dictionaries are empty (or show "()"). Changing the spellchecker language in ...
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1answer
49 views

Okular crashes Ubuntu 14.04

I recently installed okular using the ubuntu software center, but I haven been able to use it yet, once i run the program and I choose open document it crashes. This appears to me in the command line ...
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2answers
38 views

Right Alt is AltGr

My keyboard's right Alt is considered to be AltGr in KDE environment. How can i disable it? I want right Alt be the same as left one.
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13 views

How much time have I spent for a specific KDE activity?

I have created some KDE activities. Now I need to know how much time I spent for each of them. Someone said that this information is already tracked somewhere: What is a activity in KDE and what can I ...
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1answer
58 views

Kubuntu downloads [closed]

I downloaded two isos: kubuntu-14.04.1-desktop-amd64.iso Why is there no intel 64-bit choice like usual kubuntu-plasma5-14.10-beta1-desktop-amd64.iso (same question) i-386 is 32-bit right? I need ...
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16 views

KDE theme messing up while running GNOME

I am running an Ubuntu fork (14.04) which brings GNOME, KDE, and Unity by default. GNOME and Unity get on well, but KDE doesn't really. Whenever I start a GNOME session, right-clicking on some apps ...
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1answer
19 views

Winflip for ubuntu?

When I had both Vista and 7 I found one feature I was constantly using mostly because it looked cool while doing something was winflip, where all the windows were stacked in a full 3d card view when I ...
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26 views

Unity - desktop all empty [duplicate]

Ubuntu 14.04.1 froze completely trying to go into suspend mode while I closed the lid. After a hard reset I logged back in, but all I saw was the desktop background. I tried various suggestions from ...
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1answer
60 views

How can I change the KDE lockscreen?

I want gdm, lightdm, something--anything--other than the default one in KDE. I'm not talking about the login manager or anything, that I have set to gdm. I'm talking about the lock screen with the ...
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0answers
13 views

KUbuntu Screen Edge triggers no action

on my current install of Kubuntu 14.04 I cannot get Screen Edges working. I activate them the via (System Settings -> WorkSpace Bahavior -> Scrren Edges). After applying the change I get a blue glow ...
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1answer
60 views

porblem with running genymotion in KDE desktop

1- I have a problem in running genymotion in KDE Plasma desktop in ubuntu 14.04 but it works in default ubuntu desktop corectly! It gives me an error like this: linux@younes:~$ ...
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57 views

I can't run genymotion in KDE desktop in ubuntu 14.04

I can't run genymotion in KDE desktop in ubuntu 14.04 why? It runs corectly in ubuntu default desktop but not work in KDE I have problem with useing softwere center in KDE, I cant add or remove any ...
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34 views

Mac style application shortcut in KDE (focus existing instance or launch new one)?

In osx you can set a shortcut keybinding for any app (using Better Touch Tool), and when you press that key, if the app is not open, it will be opened, otherwise it will be brought in the front. I am ...
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13 views

KDE Panel goes COMPLETELY blank (transparent) and empty

I was trying to upgrade OpenGL. And when I restart, the KDE panel is completely blank. When I try to go to Desktop Effect and switch to XRender, it goes normal again. Everytime I use OpenGL to KDE it ...
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61 views

Windows 7 and Kubuntu 14.10 Beta 1 clock not right - again

I know this question have been answered before but the fix isn't working anymore. The usual fix on Ubuntu/Kubuntu is edit the /etc/default/rcS file and be sure to have UTC=no then save and reboot ...
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13 views

Faulty url routing from various utilities

Various utilities w/in Plasma eg "K" menu "Plasma Desktop Shell Add-On Installer" have actions that send a url to the default browser but what I'm getting is eg: ...
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49 views

How to use multiple Xscreen?

I have a setup with 2 different NVidia cards and 3 monitors. I was using Xinerama to unite them all under the same desktop, but some random crashes and lots of googling lead me to believe that ...
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1answer
59 views

Full screen mode under kde with any window

I found my new favorite shortcut (under kubuntu 14.04) Ctrl+Shift+f which brings applications like okular or kate to full screen. Unfortunately it does not work with konsole, chrome, etc. which brings ...
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1answer
20 views

Display the PPID in the system monitor?

Is it possible to display the PPID (parent process ID) in the process table of ksysguard ? There's no option for it when I right-click on bar up top.
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1answer
21 views

muon package manager can't find packages

I've a strange problem with muon package manager. For a few days I've been trying to install packages (umlet for example) without any succes. All the time I'm trying to install anything muon says that ...
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1answer
25 views

Samba share not in smb.conf

I'm creating a new File Server for a customer, and decided to load the KDE desktop so that the customer could manage shares and not have to use the CLI. I set up Samba and shared 3 folders through ...
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56 views

My system tray icons overlap

I'm using KDE 4.13.3 under Ubuntu 14.04.1 LTS. The icons in the System Tray widget overlap one another, and also overlap whatever is to the right of the System Tray in the same panel. Here are some ...
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46 views

switching kde activities in command line

I started taking a course on bash scripting, and i'm still a newbie in bash scripting...please i wan't to know whether it's possible to control and switch kde activities in kubuntu via the command ...
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36 views

Using both KDE and Unity desktops on separate screens in Ubuntu 14.04

I have downloaded the latest KDE and installed it successfully on my Ubuntu 14.04 - based PC. I can select which GUI to start on login, and all seems to work very well. Now what I would like to do is ...
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2answers
20 views

Can I delete Ktorrent *.dnd files?

I've noticed that *.dnd files in ~/.kde/share/apps/ktorrent consumed 8 Gb of disk space. As I understand, dnd means "do not download" -> just temp files? Wouldn't Ktorrent recreate/redownload it after ...
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1answer
113 views

Running KDE Connect in vanilla Ubuntu

So I'm new to Ubuntu but not inexperienced with customizing open source software, and I recently learned about an application called KDE Connect -- ...
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49 views

Dell M6300 with docking station DVI monitor is dark

2 Scenarios: Both scenarios are booted this way. This has nothing to do with hot docking or plugging/unplugging things while running. Without docking station: Primary monitor during BIOS POSTing ...
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108 views

Okular can't read pdf files

I recently have installed Okular on my Ubuntu 14.04. The problem is when I open pdf files, okular gives me the error "Can not find a plugin which is able to handle the document being passed." When I ...
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24 views

Lost kde desktop effect after installing nvidia drivers

I have lost all desktop effects after installing the new driver of my graphic card. When I try to start it manually, I got an error and the details I got is : For technical reasons it is not ...
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1answer
56 views

Why my Alt Tab has become ugly? under Kubuntu 14.04

I don't know why and when it happened, but now, when I use ALT+TAB, it only displays icons of the applications instead of previews. Also, when I moved the cursor of my mouse in the top left corner of ...
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115 views

any support in any Ubuntu flavor for per-display DPI scaling?

my question is about having multiple monitors with different density (DPI) to display the UI at approximately the same physical dimensions. The feature is supported by Windows 8.1 and Mac OS 10.9. ...
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1answer
40 views

Where are kde themes located?

I want to modify a few icons in the theme I am using for smooth tasks where I like two of the display states but one just doesn't look right. How would I go about modifying them, and moreover where ...
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0answers
28 views

*.desktop files opening in Kate

I've downloaded and am playing with the new Neon release of KDE. When I activate an item from the Kickoff menu, though, it opens up a *.desktop file in the Kate text editor instead of launching the ...
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0answers
299 views

How do you change display resolution in KDE Plasma 5?

I installed the project NEON ppa in Ubuntu 14.04 to check out the new KDE in a VM. I can't seem to figure out how to change the display resolution. Its stuck at 800x600. Edit: I'm using vmware player ...
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1answer
148 views

Huge KDE System Tray icons in Kubuntu 14.04

My KDE system tray icons are huge in Kubuntu 14.04: Notice that the Skype and wicd icons are sized properly, these are not KDE apps. However the KDE apps' icons (Klipper and Volume Control) are ...
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1answer
48 views

How to blanket change scaling of ui elements?

I have a large but not especially high resolution display. I don't want to change the font sizes, but rather I want to change how large everything appears other than text. I want to know how to do ...
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1answer
39 views

Change Notes plasmoid background

Is there any way to change the notes plasmoid background? I tried looking for the plasmoid in /usr/share/kde4/apps/plasma/plasmoids/ and ~/.kde/share/apps/plasma/plasmoids/ to change it myself(if ...