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

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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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26 views

How do I remap capslock to shift exactly in Kubuntu 14.04?

My shift keys do not work and i used xmodmap before, but it seems reseting (.xinitrc file not triggering). I tried advanced keyboard settings, but there is no right choice of capslock behaviour( I can ...
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6 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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35 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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13 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
31 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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22 views

Is Gnome or KDE better for beginners? [closed]

I am new to linux. I took a few days studying on Ubuntu 14.04 64bit. The issue that I'm asking about is that I wanted to download a program and was given several options between Gnome or KDE. I don't ...
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29 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
26 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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19 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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70 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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32 views

How can I get a new account password using superx

okay I am using SuperX which is an Os based on KDE I am not sure if i can get much help here but lets give it a try. I am trying to install a new Os onto my computer, but it wont allow me to install ...
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1answer
31 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
20 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
27 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 ...
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1answer
78 views

Enable KDE Plasma 5 after installing in Ubuntu 14.04

I have installed the Neon5 plasma framework on my Ubuntu 14.04 but I can't enable it I tried to look at Unity Tweak Tool and CompizConfig but didn't find anything Any help?
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12 views

Xfce login sesion start

I am using xubuntu 14.04. I wanted to try the kde desktop environment and installed it. I didn't like it so I uninstalled it. But after that when I log in into xubuntu sesion a get a blank screen and ...
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3answers
40 views

Making Windows seasoned students feel comfortable with Kubuntu

After two years of endless campaigning by me and my schoolmate and comrade, Ask Ubuntu user Shubham Rao, we have finally succeeded in convincing our teachers to switch from Windows XP to Linux. A ...
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2answers
27 views

What is “camera:/” when I connect my Camera to Kubuntu?

Using Kubuntu. When I connect my Camera to the system through an usb cable, a prompt will be shown at the right bottom corner: After clicking "Open with File Manager": Dolphin opens with the ...
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2answers
31 views

Numeric pad always enter digits

In KDE there is an option to keep number work as if it is on: . But it does not work in edit area of Qt Creator. How can I solve this problem?
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31 views

Okular Crashing in xubuntu14.04 for LaTex generated pdfs with embedded videos

I have used the same method,package and set-up for generating and viewing LaTeX generated pdfs with embedded video in okular. It is working fine with say okular --version Qt: 4.8.3 KDE Development ...
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1answer
18 views

Can I disable Alt+Drag for some applications (under KDE/Kwin)?

Like a lot of window managers, Kwin lets you move windows by holding Alt and dragging them with button 1 on your mouse. This is really great... Until you're in Virtualbox and you try to move a guest ...
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40 views

Kubuntu - How to use Plasma Active?

Is there any way to switch to the Plasma Active Workspace on Kubuntu? The Kubuntu Active images are broken for me for over a year now and so I wanted to try to activate Plasma Active somehow within ...
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17 views

Opensource project development [duplicate]

I am trying to put my hands into in an open source project. I found this list to be pretty useful for finding opensource projects but, these are kde projects and I use Ubuntu 14.04. So, I would like ...
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23 views

How do I make the panel background invisible in Kubuntu 14.04 [duplicate]

I hope I am not wrong by asking a Kubuntu question. Previously there was a desktop theme called Bare Naked. It is my favorite, but no longer is available. Is there a way to make the panel ...
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1answer
21 views

How to delete a manually saved session

I'm still a newbie to linux and i'm using kubuntu,please is there a command to delete manually saved sessions that i saved,i know it is possible by going to settings and using the "start new session" ...
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18 views

Kubuntu is significantly slow to start some of the programs in X window

I have Kubuntu 14.04. There is no performance problems other than this. Since the installation of the OS some programs like Dolphin, Gweview, Dragon Player and Muon Discover take a couple of minutes ...
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18 views

A qdbus command error

Why do I get an error with this command in KDE: qdbus org.kde.klipper /klipper getClipboardContents qdbus: could not exec '/usr/lib/x86_64-linux-gnu/qt5/bin/qdbus': No such file or directory ?
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1answer
23 views

Cycle through windows in KDE on Ubuntu 14.04

I just switched from Gnome to KDE on Ubuntu 14.04. Is there a keyboard shortcut to cycle through applications in KDE, such that if the same application has multiple open windows, only the first is ...
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44 views

How do I use lightdm for login instead of light-locker?

I installed xubuntu on my laptop and recently removed nearly all of the xfce4 packages in favor of a kde desktop. However, light-locker is still used for the login screen. How can i remove it and ...
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26 views

menubar not showing with KDE 4.13.2/Ubuntu 14.04

The menu bar is not showing on any applications besides KDE applications. Anyone know how to get it to show?
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1answer
73 views

Qt 5 configuration

I have a problem setting Qt5 apps correctly on my computer. I'm running Ubuntu 14.04 with KDE4, I have configured the look in the KDE system settings and that look is used in every qt4 apps and gtk ...
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1answer
24 views

KGraphViewer replacement

Is there a replacement package for the deleted KGraphViewer? The qt dev pacakge is installed. Compilation of the latest Umbrello works. Also I tried to compile it from the git remake ...
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1answer
79 views

LightDM login fails for LDAP users

When trying to log onto a Kubuntu 14.04 LTS system. I noticed that all users would pass, when logging in via ssh, but graphical login (i.e. LightDM with the KDE greeter) would just be possible for ...
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15 views

kernel crash after applying kde window theme unsuccessfully?

I had been trying a bunch of different themes in KDE just because I kind of like to do that (don't judge me) and when applying a theme that emulates the windows 7 titlebar, kwin and kde started ...
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1answer
34 views

Can't type caret ('^') in Konsole [closed]

I can obviously type it my browser and even in Xterm, but not in Konsole. I'm using Kubuntu, 13.10. To be thorough, I am using a German keyboard (which is already a pain), but I don't see why that ...
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88 views

How to switch back to Ubuntu 14.04 desktop?

I have installed Ubuntu 14.04 LTS desktop and used for while successfully. Then I installed KDE Desktop using tasksel by slecting Kubuntu deskstop,I do $ sudo tasksel I got a Software selection ...
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1answer
26 views

Making Konsole to be login shell by default

I don't know why there are "login" and "non-login" shells in the first place, and i'm not very eager to know. The fact is that the RVM and NVM software that i use frequently require login shells, and ...
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1answer
45 views

How to stop NumLock toggling

Is there any way to stop NumLock toggling keypad in KDE? I want to use Numlock as a hotkey and toggle keypad with another key or with an application.
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146 views

0 Byte update Package

for some reason, every time I open the update manager (muon in my case) it shows me that I need to update "PlayBar" (an KDE:Plasma plugin I don't use..) to the Version 0.5.1 with 0 B to download.. ...
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18 views

kde-full and unistalling some of its packages

I installed KDE using kde-full - so far so good. But when I try to unistall some of its app wich is not so neceseary to me (like marble or kalgebra), apt-get remove will show me Reading package ...
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3answers
70 views

How to change login screen

After installing kde, I had an ugly splash and login screen that I didn't like. I managed to get the splash back to normal, but I can't get the login back to normal.
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2answers
70 views

How to change date and time format from Arabic to English

Hi I am using Kubuntu and my language system is english but when I am using date command the output result is arabic format like this جمعه ۱۸ ژوئیه ۱۴، ساعت ۰۲:۳۴:۵۸ (IRDT) what should I do to ...
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1answer
24 views

how do I change the default icon size of smooth tasks plasma taskbar?

By default the icons are completely square, so while I can make them wider, that has the effect of making them taller. I want to perfectly emulate the windows 7 taskbar, but changing the space between ...
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36 views

Kubuntu launcher menu without categories

I dont know if its right to ask about Kubuntu, but I hope not :) I'm trying Kubuntu 14.04 and I just found one disadvantage for me that's the way how the launcher looks. It contains categories, in ...
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2answers
19 views

Too Many Lock Screens

I installed a few different GUI environments for Ubuntu 14.04 and I finally settled on KDE. However, when I lock my desktop and come back to it I have to sign in twice... I have two different ...
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1answer
135 views

Kde. Set plasma 5.0 lockscreen

I want to set plasma 5.0 lockscreen. http://www.kde.org/announcements/plasma5.0/screenshots/lockscreen.png When I execute $ sudo dpkg-reconfigure kdm I see list with gdm, kdm, lightdm. There is ...
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1answer
425 views

Unable to locate package kubuntu-plasma5-desktop on 14.04

I am attempting to install kubuntu-plasma5-desktop on Kubuntu 14.04 amd64, following these instructions sudo apt-add-repository ppa:neon/kf5 sudo apt update sudo apt install project-neon5-session ...
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18 views

Why do konsole and kate have different menubar color than other apps?

Here are some screenshots: I am using Kubuntu 14.04.
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62 views

How do I get the OSD for brightness hotkeys on Kubuntu 14.04 KDE 4.13?

I am using KDE SC 4.13.2 on Kubuntu 14.04 (64-bit). The screen brightness changes with the brightness hotkeys on my keyboard (Lenovo G500) but the OSD showing the brightness level does not appear. The ...