KDE (K Desktop Environment) is a Qt-based desktop environment as well as a suite of cross-platform desktop applications. Its latest desktop environment is KDE Plasma 5.

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How to get my KDE4 back in Kubuntu 15.04?

I just upgraded to Ubuntu 15.04. KDE5 Plasma looks pretty but it brings too many bugs and glitches such that I want my KDE4 back. How can I install KDE4 instead of KDE5?
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583 views

install new splash screen and look and feel theme on KDE 5

i'm new in Kubuntu KDE 5 and i can not find any document about to how to install new splash screen and look and feel theme on KDE 5. in previous version of kde we can simply click on get new theme ...
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58 views

KDE “Authentication Errors”

I am having trouble using package managers on KDE. I have both Muon Package Manager and Apper installed, but both fail to ask for a password and give the error that I have "not authenticated". I have ...
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51 views

Kubuntu 15.04 problems

I've recently upgraded a fresh installation of an Ubuntu 14.10 to a 15.04 and after I've installed KDE. I'm having some problems with the new KDE system.. First of all, the most annoying one is ...
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48 views

Wrong Language of GTK applications in Kubuntu

I have Kubuntu 14.04, and am running some GTK applications, for example Shotwell. The "Preferred Languages" in the locale settings are set to: English German French All the application ...
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1answer
112 views

KDE Remote Desktop Client

I'm trying to connect to a Windows 7 professional box via KDE RDP. I'm able to connect, but RDP automatically logs off the Windows user when I sign on. Why can't I log in without disconnecting the ...
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32 views

How to translate missing parts of danish language in kubuntu

fellow ubuntu users. I will start by saying that i love KDE, especially the new 5.3 - looks & works amazing! But there are many untranslated words, that shows up in English - and that irritates ...
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88 views

Using two keyboards in KDE with a dedicated layout each (typically azerty / bépo)

I need to be able to use two keyboards (one standard AZERTY on my laptop) and a TypeMatrix 2030 USB (BÉPO layout). This I configured fine in xorg.conf by putting the following code in xorg.conf (which ...
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0answers
49 views

Kubuntu - unable to open remote files with wine

On Kubuntu 15.04 (and on Linux Mint 17.2 KDE) I am unable to open files from remote shares with wine. It seems Dolphin downloads the file first to a temporary directory and tries to open it from ...
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22 views

Installing KDE on 15.04 removes GTK3 features

I installed KDE on Ubuntu Gnome Vivid and now, when I switch back to the default GNOME desktop, I find that GTK3 features such as rounded window borders have been disabled. The fonts also seem to be ...
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554 views

Kubuntu 15.04 - how to use Intel HD graphics drivers?

I've been a Ubuntu user for many years now. Tonight, I decided to try out Kubuntu 15.04. I have noticed that Kubuntu uses the Nouveau drivers by default. This results in tearing and "wave-iness" on ...
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1answer
108 views

Kubuntu 15.04 File Open Dialog is not working

Once I try to open file in some editor or project in IDE, for instance file in Kate or project in QtCreator, the File open dialog shows up, but whatever location I click (home, root, mounted disks, ...
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93 views

Kubuntu panel freezes

We are using Kubuntu 14.04 for all PC's in our firm. Nowadays we are facing an issue that while working the panel freezes. Almost every PC's facing this issue. The load is normal. Please provide a ...
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328 views

Can't install icon theme KDE plasma 5

I have been trying to install a icon theme. The problem is when selecting the achieve or the index I get The file is not a valid icon theme archive. both of these 1 and 2 should work but they do not ...
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1answer
413 views

Kubuntu: Change proxy settings from console

I want to change proxy in whole system. I am using Kubuntu 14.04 64bit. I know that should change proxy variables like http_proxy="http://proxy.xxx.xx:80XX/" etc. But it will not change proxy in KDE ...
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63 views

Okular not opening after installing in Ubuntu 14.04

The application won't open after installation. If a file is opened from terminal, the following error is shown: zeenat@islamzee:~/Desktop$ okular ...
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1answer
62 views

Use Caps Lock as arbitrary shortcut key in KDE5

I'd like to run a bash script when I press caps lock in KDE5. I had this working just fine in KDE4. I can easily assign Caps Lock as the trigger to a command in system settings -> shortcuts -> ...
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1answer
74 views

Lag when dragging windows between monitors in KDE

When dragging a window from one monitor to the next (either with alt or by the title bar) there is a slight lag as the mouse passes the boundary. Although not a huge issue it's one of the first things ...
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59 views

How to upgrade to KDE 4.14

I am running KDE on top of Ubuntu 14.04LTS. The KDE version is 4.13.3 . I want to update it to 4.14 . I added the Kubuntu Backport PPA and did. sudo add-apt-repository ppa:kubuntu-ppa/backports sudo ...
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1answer
37 views

Help with install kde on Ubuntu 15.04

I was installing kde on my laptop all went well until, I restarted my laptop and was greeted with this: I tried hitting arrow keys and hitting enter it seemed like it was going through menus.
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56 views

Applications unreliably gaining focus on mouse click in Kubuntu 15.04

I recently upgraded to Kunbutu 15.04 and am having a problem where windows are not reliably gaining focus when I click on them. For instance, when switching to using PyDev, I often need to click ...
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35 views

Install Kde Plasma 5 on ubuntu 14.04 [duplicate]

i'm trying to install kde5 on ubuntu 14.04 but after update system and add some PPA, packages dont find in repository. sudo apt-add-repository ppa:kubuntu-ppa/next sudo apt-get update sudo apt-get ...
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90 views

Teminal does not show in Kate

I installed Kate in Ubuntu. But it is not showing Terminal in the application. I googled, which said me to install Konsole, as Kate is a KDE based application.I installed Konsole and ran Kate again ...
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1answer
1k views

Can't install Skype or update in Kubuntu 15.04

I am rather new to Linux, so I figured I would start "easy" with Kubuntu. My issue was immediate that Skype would not install. It is not in Muon Discover (software center) and adding the repo to ...
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74 views

How do I install KDE Plasma 4 instead of 5? Ubuntu 15.04

The deal is that I don't like KDE 5 but if I install KDE it installs 5.3.1... Is there a way to install KDE 4 or do I have to deal with it?
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1answer
22 views

Diffrent sets of applications for each user

I want to try out some alternative desktops, see whats going on, but I have a annoying issue, when I install a desktop package I get all the applications and stuff that come with it just added to the ...
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22 views

KDE Compositor “disconnecting”

When using KDE, I have the following occur after the desktop has been used heavily for several days: The compositor stops working properly for one or more applications. An example of this would be ...
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3answers
344 views

How do I make a window transparent in KDE?

I know I can do this in Unity with compiz. But didn't find a way to do same in KDE. I'm using Ubuntu 14.04 with full kubuntu-desktop installed. Btw, I noticed an option for inactive window. But I ...
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37 views

repetitive Wi-Fi password request

Kubuntu 14.04 recently asks for Wi-Fi password repeatedly. How can I prevent this repetitive password request?
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1answer
913 views

How to change the Desktop Manager

When I installed KDE Plasma in Ubuntu 15.04, I set the LightDM as the default manager, But I want to set KDM as the default, how can I change this?
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87 views

Can't use shift + key and ctrl + key key combinations in NDN (Necromancer' Dos Nav) and MC ubuntu/KDE plasma 5

I would like to use Necromancer's Dos Navigator on Ubuntu/KDE plasma 5 15.04 vivid, 3.19.8. NDN: http://ndn.muxe.com/ I have tried at least the following terminal emulators: konsole terminator tilda ...
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12 views

Audio Scratching when altering volume

Recently after installing Wine and getting the audio to work I've started noticing that whenever I alter the volume for any application audio scratching occurs. Not sure what to do to fix it. The only ...
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233 views

How do I install Plasma Desktop on Ubuntu 15.04?

Anyone can show me how to install Plasma Desktop on Ubuntu 15.04, I've tried one method and it works for a moment, but after few minutes I have obtain errors in Unity and in Plasma and more that.. In ...
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1answer
298 views

How do I set custom application icons in KDE?

I have several Virtual machines (VMs) that run through VirtualBox that I have created desktop configuration files for and set custom icons (usually in .svg format, although to see whether this issue ...
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154 views

How do I install KDE on Ubuntu 15.04?

I am trying to install KDE on Ubuntu 15.04. I ran sudo apt-get install kubuntu-desktop and got this output: http://paste.ubuntu.com/11858746/. I ran sudo apt-get -f install and got this output: ...
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1answer
104 views

Kubuntu 15.04 black bar at the bottom of the screen covering panel

I recently installed Kubuntu 15.04, and after a programm I ran in wine changed my resolution, I've had a black bar at the bottom obscuring my activity panel. I can still click on everything and it ...
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98 views

Recovering unity desktop after installing gnome3

I was using Ubuntu 14.04 . I wished to have multiple desktop environment. so for installing KDE is tried sudo apt-get update sudo apt-get install kubuntu-desktop so this worked and I was having ...
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1answer
215 views

Thinkpad W520 DisplayPort/HDMI sound

On my Thinkpad w520 with Nvidia Optimus (using Nvidia properietary drivers) I connected an external monitor via DisplayPort, using a Displayport -> HDMI adapter cable. The monitor has integrated ...
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12 views

Can I remove KDE and replace it with Unity? [duplicate]

I want to switch KDE with Unity. Is there a way?
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167 views

How can the keyboard layout in KDE be changed to Apple Alu Keyboard with US (international)

I am using KDE under Ubuntu 15.04 and cannot change the keyboard layout to apple alu keyboard with the international variant (ie for typing umlauts with AltGr/cmd + u, space and then for example an ...
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67 views

How to prevent pausing unactive user session?

For a while now when I switch between two user sessions the inactive one in some cases will stop executing GUI processes. This way I'm forced waiting for another session to load and can't do something ...
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30 views

G sense smart status changes all the time in KDE Partition Manager

I've a Hitachi hard disk that is supposed to withstand shocks up to 250G when active. According to the SMART status in KDE Partition Manager the hard disk has a detection capability that counts the ...
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50 views

Tried to install KDE but it got hanged up

I tried to install KDE on Ubuntu 14.04 using package manager. It worked once when second time I started my system it was not getting on and got hanged up at ubuntu logo. Following is the screenshot at ...
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1answer
93 views

What have i missed that i need to run Redshift Plasmoid?

I've installed Redshift through synaptic, adding the ppa as described. I've built the KDE itself and installed Eclipse (including the cdt). Yet, nothing happens when I run redshiftautostart as ...
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82 views

How can I change to one of the many system installed fonts in KDE5 konsole?

I have KDE 5 installed and would like to install a patched font for powerline. I already ran the script to install the fonts into ~/.fonts but when editing the konsole profile, I see a very limited ...
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346 views

Plasma 5.3 segfaults on monitor restart

I have an Intel NUC connected to my TV via HDMI. The NUC runs 24/7, power saving features such as "turn off monitor" are all disabled. The system works great, I am really pleased with it. However... ...
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67 views

KDE gtk theme problem

I have just installed KDE 4.14.2. My problem is that nemo and synaptic file manager look horrible: I tried to install kde-config-gtk-style and tweak the GTK2 - GTK3 themes like this: but, after ...
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131 views

How to modify KDE Network Configuration GUI for Custome OpenVPN settings

KDE Plasma 5 is a thing of beauty, to be sure. But how do I modify the network manager client OpenVPN gateway settings to accommodate custom connections? For instance I need to connect to a gateway ...
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1answer
206 views

Ubuntu 15.04: Change KDE application's icons

is there a way to change the icon theme that is used by KDE applications like Krusader in Unity? KDE systemsettings don't work any more. Can't I just edit some file? Thanks
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1answer
47 views

Running Tux Typing in window

How can I run Tux Typing on Ubuntu 15.04 in window mode? I've dual screen and by default it runs on both screens, which makes it hard to use.