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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Make applications open at the screen they have been placed before

I have three screens attached to my Kubuntu 15.04 PC. Every time I start an application (like Dolphin, KMail, Kate, etc.) the corresponding window opens at an arbitrary screen and/or in an arbitrary ...
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14 views

starting apps from kde menu are delayed about 2 seconds?

I got an immediate start when I do run applications like dolphin from terminal but when I do click on them in KDE menu it takes about 2 seconds to fully run, I see the icon beside cursor bouncing ...
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1answer
284 views

kubuntu 15.04 trackpoint sensitivity

I'm running the latest kubuntu with plasma 5 on a t440s laptop. The trackpoint is very slow and there's no option to increase the sensitivity under the system input settings. The same laptop is ...
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1answer
310 views

Dual monitor won't work together (one screen blank)

Yes another dual monitor problem... :( I am using unbuntu 14.04 kde plasma 5 - Dell xps laptop - graphic card nvidia GeForce GT 550m. The problem is: Whatever I tried, both monitors won't work ...
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44 views

Kmail sets Subject, Sender, Receiver, Date to “Unkown”. How to rebuild akonadi index?

Mail that comes in is first as usual in the inbox - I am using POP3. But when I click on a mail, Kmail sets subject, sender, receiver, date to "Unkown". When I go online and at the messages from my ...
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1answer
768 views

How to increase KDE Plasma 5 icon-only task-bar icons' size?

I'm using Kubuntu 15.04 and Plasma 5.4. The icons on the task-manager is too small. is there a way to make them bigger?
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569 views

Does anything useful happen during the KDE Plasma5 splash screen load delay? It seems to just waste time

As far as I can tell the startup splashscreen after logging in on Kubuntu with Plasma5 seems to be a pointless busy loop that locks up the user interface for several seconds while nothing is achieved ...
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1answer
32 views

System requrements for running kubuntu 15.04 with kde plasma?

my laptop model is- Dell Inspiron 15 3543, intel 5th gen 1.9 GHZ, 4 GB ram, intel intregrated ghraphics. Can i run KDE plasma on my laptop? what are the minimum system requirements of running KDE ...
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1answer
3k views

Install Plasma 5 KDE ubuntu - Cannot add PPA

I am trying to install Plasma 5 KDE on my ubuntu 14.04 with the following commands: sudo apt-add-repository ppa:kubuntu-ppa/next-backports sudo apt-get update sudo apt-get dist-upgrade sudo apt-get ...
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34 views

How to tab a window to another via command line?

I have a program that opens a number of windows, which I want to attach as tabs to a main window. The program doesn't understand the KDE window tabs concept, so I would like to tab the windows ...
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1answer
77 views

KDE top bar in window

Why I can't see the top bar of a window in KDE? I mean, I can't see the options in the window of let's say, chrome. The options like, edit, tools, archive,etc.
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1answer
109 views

KDE/Plasma OSD message doesn't disappear automatically

I'm using Kubuntu 15.04. See the screenshot for the exact version. The on screen display (OSD) message "System Update Available" doesn't disappear automatically. It stays forever on the screen, but ...
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39 views

When will baloo find new files?

On my KDE desktop, baloo happily indexed my home directory (in a few days) and is generally working great. However, it is unexpectedly slow when it comes to indexing newly added files. For example, a ...
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21 views

Changed 32 gb SSD to 128 GB. Still shows 32 GB?

I have an Acer c720P chromebook. I installed ubuntu trusty kde. Under Devices, it says 31.ish gib hard drive. Do I really have 31ish GB as my storage in ubuntu, or is it the 106 GB under /dev/root ...
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90 views

Ubuntu 15.04 getting a KDE-like theme after a recent update

I had upgraded to KDE a few weeks ago, but I did not like it as much so I reverted back to Ubuntu. I was having troubles with uninstalling the KDE desktop, but I somehow got it to work. Although a few ...
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1answer
75 views

Konsole crashes right after start

I have a problem with the application "Konsole" in Kubuntu 15.04. A few weeks ago everything worked fine, but then this problem occurred: When I start Konsole it looks like this: ...
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27 views

Why are some parts of my XFCE displaying the wrong font?

Notice my terminator window title bar, then see the chromium tabs, and the top panel fonts (also terminator internal title bar font). I would very much like to have the panel, chromium and terminator ...
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96 views

Why are there two separate desktops with KDE?

Running Ubuntu 15.04, and I was fed up with Unity, so I installed kubuntu-desktop. Works fine, switch to it at login. There's a weird behavior that I can't find explained elsewhere however - I appear ...
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1answer
65 views

KDE Development on Ubuntu

I'm new to Ubuntu (14.04 LTS) and while I understand a bit about Linux I'm still confused about the entire concept because when I read terms like IRC, GTK, Gnome, Qt and so on, I get confused as to ...
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91 views

Kubuntu 14.04, KDE system settings no longer gives me control over pulseaudio

Under Device Preference in 'Audio and video settings' in kde system settings i now only have 1 "device" which is "PulseAudio Sound Server", previously i had 3 devices, 1 was my microsoft lifechat ...
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1answer
81 views

Kubuntu 15.04 - arrow in the scrollbar

is there a way to enable the little up and down arrows on the top and bottom (respectively) of the scroll bar? Some people are so used to it and miss it. Thank you!
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51 views

Is there an alternative way to install Kubuntu with live usb boot?

I have just downloaded Kubuntu 15.04 x64 iso and made a live USB and live DVD to install Kubuntu in live boot environment. but there is a problem. Plasma is far too heavy weighted and most of the ...
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1answer
482 views

Is there a kde dolphin thumbnail creator for video files that would use built-in thumbnails?

There are some video thumbnailers for Dolphin: kffmpegthumbnailer, ffmpegthumbnailer, etc. However, all of them just extract random frame from the video even if there is a built-in thumbnail in video ...
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38 views

X Windows Systems Install but does not work

I have Ubuntu 14.04 up and running. I install KDE using sudo apt-get install kde-full install runs to completion. Re-start machine and I get the lovely blue login window. Log in and the login ...
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1answer
293 views

Menu text is dark after installing KDE-desktop

I installed the package kde-desktop, and now my menus in Unity have dark text: Changing my theme in System settings > Appearance > Look does nothing to change the text color. How can I change ...
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140 views

Display kde-connect indicator in gnome top-bar

I've got kde-connect installed in Gnome 14.04. This is syncing fine with my mobile so it's all working ok. sudo add-apt-repository ppa:vikoadi/ppa sudo apt-get update sudo apt-get install ...
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2answers
553 views

“No protocol specified , Could not open X display” error when Running bleachbit as root on KDE

I have this error when running bleachbit through sudo or as root: ~$ sudo bleachbit No protocol specified /usr/lib/python2.7/dist-packages/gtk-2.0/gtk/__init__.py:57: GtkWarning: could not open ...
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786 views

Strange freeze when loading IntelliJ IDEA Editor

Since about three weeks IntelliJ is freezing when I'm trying to load any project. It's the same with a new project too. It seems like it freezes the whole xserver - I can't interact with any ...
2
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1answer
138 views

Is there a detailed user's documentation for KDE Plasma 5?

I just installed Kubuntu 15.04 and I can't find a single place with systematic description of all available desktop configuration settings. For example, I was setting Screen Locking Timeouts and I ...
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1answer
41 views

Custom locale settings when launching program from KDE menu

In KDE, I have noticed that GTK programs don't use the locale settings I specify in the KDE system settings, but rather the system-wide default locale. I want to change this behavior for Thunderbird, ...
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0answers
58 views

Digikam starts memory run

I am having trouble to run digikam on stock Ubuntu 14.04. I tried different approaches to install and run it using different ppa combinations. I installed it with the philip5 ppa. originally only with ...
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50 views

-Chroot- Ubuntu KDE Network Manageer

I'm running Ubuntu KDE through Crouton on the ChromeOS, and the network manager doesn't seem to show up (doesn't show up on XFCE either). I tried running it "Unknown Command". I tried reinstalling the ...
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41 views

Adjust limits of volumes using kmixrc configuration file

I want to be to adjust the volume level at 0% and 100% for a particular device (a USB audio device). It currently stops playing at 35% audio. I have not been able to find the documentation on the ...
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180 views

Issues while upgrading to plasma 5.4 in Kubuntu 15.04--freezes on boot

I have a fairly recent install of Kubuntu 15.04 that I upgraded to plasma 5.4. There were no errors on upgrading, but I noticed that it didn't fully upgrade. I didn't have the option of the new ...
0
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1answer
30 views

Search panel in KDE

I recently installed KDE. In unity when i press the "Windows key" or "meta key" I get a search panel where I can search for any programs or files or even it gets results from Web. In KDE I am not ...
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399 views

KDE on Ubuntu 15.04 - Missing .desktop Icons

I installed plasma 5.3 on my ubuntu machine and I am encountering a strange problem. Some application icons are just not displayed: this happens only with kde, while with other DE (unity, gnome and ...
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1answer
175 views

Using superkaramba widgets in Kubuntu 15.04

Is there a way to use superkaramba widget in Kubuntu 15.04? Some web pages say that it should be possible but I could not find out how. Since no package "superkaramba" was available I installed ...
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16 views

Add category to K menu

I know how to add an item to the K menu or add a submenu to a category that's already there. But how do I add a category (something like Graphics, say) to the K menu itself?
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55 views

KDE Plasma5 version

I have installed latest kubuntu with plasma 5. But when I go to the help -> about KDE menu in Dolphin it says KDE platform version 4.16.....is that expected? Have I missed (or messed up) something? ...
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51 views

KDE-theme is not showing in some programs after updating linux-headers

It seems my Kubuntu 14.04 LTS doesn't show the KDE themes (using Oxygen or QtCurve) in some programs (gnumeric, kazam, giggle, synaptic...) after updating the linux-headers. However, the KDE-theme ...
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84 views

Unable to start KDE on Kubuntu

Today I started my computer and I sudently had to follow a wizard to set the timezone, the user account and the keyboard layout. It restarted automatically and after that, nothing :/ I have the ...
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1answer
163 views

KDE's gui network manager can't connect to DSL using pppoe

I've tryed many linux distros with KDE (deb/rpm-based), there are always this problem. I have not a modem. There is no problem with connection with pppoeconf, but I wish do it using GUI. Would also ...
3
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4answers
6k views

How to Update Qt 5.4.1 to Qt 5.5?

I want to update qt 5.4.1 to Qt 5.5 or 5.4.2 because I want to test KDE Plasma on WayLand. Note: Please provide solution that consume least network resources as I have limited bandwidth. KUbuntu ...
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0answers
77 views

Manually selecting audio output

I just installed Kubuntu 15.04 and I am trying to configure audio output in a usable way. Since I am using both a USB headset and speakers at my system I need to manually (only manually) switch the ...
4
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3answers
11k views

How to upgrade to KDE Plasma 5 on Ubuntu 14.04.3?

I've followed many tutorial but my KDE is still version 4.12.2.... I've tested sudo apt-add-repository ppa:kubuntu-ppa/backports sudo apt-get update sudo apt-get dist-upgrade but nothing works ...
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2answers
427 views

How to preserve highlighting and annotations created in Okular?

I have to read through various research papers and during the course I have to highlight and annotate. But if I rename the file later or change machine the highlights and annotations will be missing ...
2
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1answer
128 views

how to pipe to a kdialog textbox?

echo "hello" | kdialog --textbox - I was hopping that row should pipe the word hello over to kdialog, and by setting the file argument to -, it should have used the piped text as content. Is it ...
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0answers
52 views

Double unlock needed with kde

I installed kde plasma desktop on my Ubuntu 14.04. The problem is that whenever the screen is locked, i have to type my password twice to unlock the session: once in the unity ubuntu and once in the ...
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0answers
28 views

The 'Run Command' dialog has corrupted graphics. Any ideas on fixing this?

I'm using KDE, and whenever I open the 'Run Command' dialog (e.g. with Alt+F2), the dialog is filled with corrupted graphics. Sometimes it's possible to see enough of the dialog to use it, but usually ...
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92 views

15.04 - Apple keyboard - remap Command button to become Right Alt

I have found some solutions to do what I want - remap Right Command key to become Right Alt on an external Apple (aluminum) keyboard - but all of the solutions were for the older versions of Ubuntu ...