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

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31
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5answers
1k views

How to safely try KDE?

There's a way to safely try KDE on top of an Ubuntu installation, keeping the possibility to revert the changes in case I dislike how it runs?
26
votes
7answers
13k views

How to turn off baloo in KDE 4.13?

I have Kubuntu 14.04 and just installed the newest updates. Looking at the process list I see baloo indexer running. I could not find a checkbox in Baloo settings to turn off the indexing.
19
votes
3answers
24k views

How to remove all traces of KDE installed

I have 2 computers with Ubuntu but on both I installed KDE to have another option for the users. Since Unity has come along very well, there has not been a need to use KDE for a while now. How can I ...
17
votes
4answers
8k views

What is a activity in KDE and what can I do with it?

In the top right corner of a standard KDE/Kubuntu installation you'll see this: But seriously, I seem to be unable to understand what those "activities" are and what it would enable me to profit ...
16
votes
4answers
6k views

How do I install KDE?

I want to have both KDE and Gnome shells on Ubuntu. Ubuntu has Gnome by default. How do I install KDE?
15
votes
3answers
125k views

Installing KDE in Ubuntu 12.04

Is it good to use kubuntu or Ubuntu with KDE? Well if I install KDE in Ubuntu will there be any instability or conflict? Will these two get mixed up with themes and icons? I had a bad experience ...
14
votes
7answers
12k views

How to Install Okular 0.15 on 12.04 LTS?

See here for reference: http://okular.kde.org/news.php The new version includes an option to save annotations to the PDF file itself. That's why I am very eager to try out. Is there any PPA from ...
14
votes
3answers
19k views

Make KDM the default display manager

I'm giving KDE another try - so far so good. I installed everything using apt-get install kubuntu-desktop. During the installation it asked me which login manager to use and I chose LightDM - however, ...
13
votes
1answer
11k views

How do I install/upgrade to KDE 4.9?

Recently kde released kde 4.9, I wanna test it from my ubuntu 12.04 . How to to install kde 4.9 in ubuntu? Is there any ppa available
13
votes
0answers
3k views

Uninstall kubuntu-desktop [duplicate]

I installed kubuntu-desktop using sudo apt-get install kubuntu-desktop but I no longer want to use KDE. How do I remove all the packages that were installed by this command ? Thank you
12
votes
2answers
380 views

How to add a keyboard modifier state applet to Unity panel?

I am a KDE user thinking about moving to Unity. Due to manual disability, I use sticky keys and in KDE I have an applet in the system panel which shows which modifier keys are active. I remember that ...
12
votes
2answers
382 views

KDE Sometimes Glitches On Wakeup

Well, a picture is work 1k words: Looks bad, huh? I am using the 331-updates latest 331.67 drivers from NVidia's website on a Dell Latitude e6400. Everything else is up-to-date. This only happens ...
11
votes
3answers
8k views

How can I safely shutdown/reboot/logout KDE from the command line?

I am not talking about shutdown and reboot commands. I want to initiate the same routine from command line that would be performed if I would press the logout/reboot/shutdown button inside the KDE ...
11
votes
4answers
2k views

How to make program autostart only in GNOME

I use both GNOME and KDE SC. In GNOME, I use Docky but I do not use it with KDE. So, I would like Docky to start up only when I login into GNOME not KDE. In KDE, there is an option to make a program ...
11
votes
3answers
6k views

Open new windows on main screen in KDE two-screen setup

I am using KDE (with Kwin) on two screens. Often when I run a new application the new window shows on the second screen eventhough the mouse as well as the active window is on the main screen. How can ...
11
votes
2answers
573 views

Why doesn't GNOME respect OnlyShowIn=KDE; in .desktop files?

I have both KDE and GNOME desktop environments installed on Ubuntu 10.10. When I add the entry OnlyShowIn=GNOME; in a .desktop file, the application doesn't appear in the KDE menu. However, when I ...
11
votes
2answers
593 views

How to change strange kde scrollbars?

From a fresh Ubuntu 12.04 install I tried multiple desktops, and settled on KDE. One problem I have with it is how scrollbars are displayed in Thunderbird: In Gimp, Dolphin, Firefox there are ...
10
votes
6answers
10k views

GTK+ in Kubuntu apps look bad

I have installed Evolution email client on Kubuntu 11.10 and it's not so cute as expected. Eclipse also looks bad. I have the GTK+ Appearance plugin in KDE System Settings and already tried QTCurve ...
10
votes
4answers
2k views

How do I go back to KDE splash / login after installing XFCE?

I started with Ubuntu Karmic, and wanted to try KDE. So I installed kubuntu-desktop. Then I wanted to see how XFCE progressed, so I installed xfce4. I now have Kubuntu with an XFCE splash and login. ...
10
votes
1answer
1k views

Is there a good mono-spaced font for Devanagari script in the Terminal?

All the terminal fonts I have tried result in inaccurate rendering of the Devanagari sript (and/or Roman script) in the Terminal In the Devanagari script, a vowel binds itself to a preceding ...
10
votes
5answers
756 views

How to make multiple DEs less messy? Specifically KDE on Ubuntu

On one of my laptops, I installed all of the popular DEs because I like to experiment with them. I have Unity, GNOME Shell, KDE, and xfce all installed. It seems that KDE and GNOME don't "get ...
10
votes
0answers
631 views

How to disable KDE's brightness OSD?

I am using lightum to automatically control the screen's brightness depending on the surrounding light (on a Retina MacBook Pro). The problem is, though, that KDE picks up the change and displays the ...
9
votes
1answer
7k views

What is the screen locking mechanism under KDE?

I installed KDE desktop on my Ubuntu: root@DESKTOP:/var/log# dpkg -l|fgrep -i kde-plasma-desktop ii kde-plasma-desktop 5:63ubuntu16 the KDE Plasma ...
9
votes
1answer
4k views

Is it possible to use multiple desktop environments on same system?

I am using Ubuntu 12.04. I want to try out KDE and other desktop environments. But I'm not sure if I'll like them enough to switch permanently. I want to be safe and make a transition in a piecemeal ...
9
votes
1answer
5k views

Kubuntu and KDE clock

I have some very strange behavior of the KDE clock in latest Kubuntu with KDE 4.10 backports. System clock is correctly set, although for some reason it uses UTC. This is correct: me@pinguino ~]$ ...
9
votes
2answers
4k views

Ugly font after KDE installation

You all know the nice default font that come with Ubuntu, right? I just wanted to play a little bit with Kubuntu and installed the meta package kubuntu-desktop Everything was fine, however the ...
9
votes
2answers
883 views

How do I make the login screens and boot splashes match when installing different desktops?

I wanted to try out different desktop environments so I installed XFCE, KDE, GNOME, etc on top of Unity in Ubuntu 12.04 After a while I decided that I didn't like those other DEs and would stick to ...
8
votes
1answer
2k views

How to fix choppy fonts after using KDE System Settings?

I used KDE System Settings to configure my KDE appearance settings (I wanted to make KolourPaint look native), even though I use GNOME. I changed some font settings through it, and now all of my fonts ...
8
votes
1answer
213 views

Expand window to free space on screen in KDE

I am using Kubuntu, and I want to expand the current window to the free space on the screen. To say it more precisely: I want to make the current window as big as possible without overlapping new ...
7
votes
4answers
8k views

How To Install And Test KDE Plasma 5 On Ubuntu 14.04

KDE Plasma 5 is hiting release candidate now. https://techbase.kde.org/Schedules/Plasma_5#5.0_Release_Candidate:_Thu_3_July_tagging.2C_Tue_8_July_release How can I install plasma 5 in ubuntu 14.04.
7
votes
5answers
20k views

Cannot make NVIDIA driver work with Ubuntu 12.10

I seem to have a problem similar to many but I didn't manage to get it solved: have a Lenovo N581 with an NVIDIA GeForce 610M have just installed a fresh Ubuntu 12.10 64 bits, + KDE and am trying to ...
7
votes
2answers
5k views

How do I control window placement in KDE with keyboard?

Is it possible in KDE to set up keyboard shortcuts similar to what Unity uses for window placement - i.e. Alt - Ctrl - Numpad 6 to make a window occupy the left half of the screen etc.?
7
votes
2answers
4k views

Restore default packages

Yesterday I installed KDE through gnome in Ubuntu 10.10 and after some time I decided to uninstall kde manually through the Synaptic Package Manager. I completely removed all the packages which I ...
7
votes
3answers
727 views

Clean removal of KDE 4

I recently installed KDE in to my Ubuntu 10.04 machine using apt. (i.e apt-get install kde-desktop) After a while I got enough with the testing and wanted to have gnome again. So I removed all the ...
7
votes
3answers
3k views

How to run Java application in KDE with Qt-like UI?

Continuing my question in Install Ubuntu or Kubuntu? I have tried Kubuntu (KDE), and it was very cool as cool as Ubuntu (GNOME). but there is little problem with its user interface when we start Java ...
7
votes
4answers
3k views

How to have the “close”, “maximize” and “minimize” buttons on the left in google-chrome in kde

I would like to achieve what I was able to do in Ubuntu. I've now switched to KDE and would like to have the buttons on the left hand side. I have already set it for the "native" windows and they ...
7
votes
3answers
556 views

Is it possible to execute an action by double clicking on the Desktop?

Is it possible to execute an action (a command or a Bash Script) by double clicking on the Desktop? I want to emulate the function that Fences does in Windows systems: By double clicking the desktop, ...
6
votes
2answers
7k views

How to return the login screen to the default

I've been experimenting with various Desktop Environments, including LXDE, XFCE, KDE. I'm returning to Unity, and I would like my login screen back to the default for 12.04. I think that it changed ...
6
votes
2answers
20k views

How do I restore my KDE desktop to default?

I am really a newbie in linux. Finally my sister gave me my old laptop back and i decide to install kubuntu 11.10 on it. i am really happy with this linux distribution and i already have personalized ...
6
votes
1answer
865 views

Ctrl+F4 doesn't work in KDE for Firefox

I observed that the shortcut for closing a tab in Firefox (Ctrl+F4) doesn't work on KDE. It seems it is being intercepted by KWin. Is there any fix or workaround for this problem?
6
votes
2answers
4k views

How to turn off screen (DPMS) together with locking session in KDE?

First of all, I'm aware a similar question for GNOME is asked here: "Switch off laptop backlight when locking screen". Objective I would like to turn off my screen on locking the session for power ...
6
votes
1answer
5k views

How do I install KDE or XFCE or LXDE to an Ubuntu 12.04 system with no internet connection?

How do you install a desktop environment such as KDE without an Internet connection in Ubuntu / Linux Mint? I want to install KDE 4.8.3 in Ubuntu 12.04 LTS without an Internet connection?
6
votes
5answers
6k views

How can I make KDE faster in Ubuntu 12.04. It's very slow

I installed the kubuntu-desktop package in Ubuntu 12.04 LTS, but the problem is KDE responses very slowly. If I click on an application's icon to run it, it appears after 10 seconds and sometimes does ...
6
votes
3answers
4k views

Ubuntu 13.10 suspend crashes KDE / black screen on wake

Setup I have a fresh install of Ubuntu 13.10, with KDE (installed via Ubuntu server disk and sudo apt-get install kubuntu-desktop). Problem Whenever I suspend the computer while in KDE (either via ...
6
votes
3answers
6k views

Disable touchpad while typing

How can I disable the touchpad while typing on KDE? Is there such a setting like in gnome?
6
votes
4answers
3k views

Restore GTK integration after removing KDE

I was trying KDE (kubuntu-desktop) on top of an Ubuntu Unity install. Now I have uninstalled KDE. However, I see that any non-GTK based application still showing the KDE theme. For example, below is ...
6
votes
1answer
2k views

How to change QT (KDE) application icons for gnome?

I'm running gnome3 on Ubuntu 12.04 and my dolphin looks like this: I really don't like these oxygen themed icons and want to use the Faenza icons. I tried backing up the oxygen icons and ...
6
votes
3answers
9k views

How do I remove the KDE 4 Plasma Tool Box/cashew icon from the desktop?

I'm looking to remove the "Tool Box" icon in the upper right hand corner of my KDE 4 desktop, but can't find any configuration setting anywhere to do so. I'm new to KDE 4, so it's quite possible I ...
6
votes
2answers
3k views

How to change language of KDE software installed in Ubuntu

I would like to know how to change the language of the KDE software (Gwen and Okular) that I installed in my Ubuntu. My Ubuntu is in French, but the KDE software is in English. When I "Switch the ...
6
votes
2answers
351 views

Is there a way to stop KDE from overwriting my other WM settings?

What is the problem? KDE does not respect other window manager/DE settings. Is there a way to safely run KDE alongside other window managers without having to reconfigure them every time after ...