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 do I change the Ibus input panel system tray icon in KDE?

As you can see, It's hardly legible with a dark theme. I'm running the newest version of plasma 5.6
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1answer
52 views

Help installing kubuntu-desktop on Ubuntu 16.04

Well, the problem is that I'm trying to install KDE alongside Unity on Ubuntu 16.04. I'm using the command sudo apt-get install kubuntu-desktop* kdm* but I'm not sure if this is correct. If it isn't, ...
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1answer
50 views

15.10 Dolphin: R-click anything -> mouseover “Activities” = Dolphin disappears/insta-crash

This started just recently. In Dolphin if I right-click on a file or folder and then move my mouse cursor over the "Activities" selection, even fleetingly, Dolphin will instantaneously shut down. ...
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8answers
29k views

Have tearing (no Vsync) in movies (Nvidia proprietary driver)

This is more of KDE than Ubuntu question, but... I have visible tearing on screen. KDE composition, flash video in Firefox, and simple games like kpat are vsynced, but in steam games and in movies ...
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5answers
844 views

Broken fonts in KDE (Kubuntu 14.10)

From time to time I experience a very strange bug: Fonts are broken not only in Firefox, but in the whole KDE environment. What can I do to fix it? UPDATE #1 Installed Kubuntu from scratch and ...
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0answers
13 views

How can I hide and protect devices in Dolphin (and other places in KDE)?

On most KDE file open dialogues and Dolphin, my devices (mounted and otherwise) are displayed as options. Clicking these convenient takes you to their mounted path (and mounts them first if they ...
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0answers
22 views

Wrong keyboard layouts

I want to be able to switch my keyboard layout between German and English (UK). As default I set it system-wide to English (UK, extended WinKeys), using sudo dpkg-reconfigure keyboard-configuration ...
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0answers
18 views

How to get an uniform look for Qt and GTK applications in xenial

Since I upgraded to xenial all the applications but the ones using Qt4 look uniform. For some reason the Qt4 applications like SpeedCrunch or Okular use the Plastique theme by default. The Plastique ...
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2answers
68 views

KDE 5 - How to easily switch between audio outputs?

I currently have KDE 5 Plasma installed which I like a lot. However, it is not possible to easily switch between Audio outputs from One Soundcard (SPDIF and analog) like it was possible in Unity. Is ...
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1answer
14 views

How to copy files from one directory to another after closing the Dolphin file manager in Kubuntu 16.04 LTS?

Please, I need your help with the following: The Problem: I can't copy/move one file (or more) from one directory to another unless if both directories are opened using the file manager. In other ...
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0answers
7 views

kwallet + gpg kubntu

I've installed kubuntu 16.04 and create gpg key. But when I try to create a new wallet with kwallet it can't find no one encryption key. I tried to create pair of keys with gpg and kgpg, in both cases ...
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3answers
468 views

Ubuntu Studio 15.10 - icons not appearing in Kdenlive

I get no icons in the toolbars of Kdenlive in Ubuntu Studio 15.10. There are two of them, the usual one below the menu bar (New, Open, Save, Undo, Redo, Copy, Paste) and the Render (not a button, only ...
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1answer
41 views

Alternative for the 'system settings' application?

Is there a "good" alternative application for the system settings application that comes with Ubuntu? I mean I know that KDE and gnome come with their alternatives, but I would like to have one ...
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0answers
26 views

Visual changes of the applications with root in Kubuntu 15.10/16.04

The problem is: when I start apps in Kubuntu with sudo or kdesudo, these apps change their visual themes and some of them are displayed with issues. As an example: Dolphin in normal mode: Dolphin ...
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vote
1answer
99 views

Kubuntu shows black screen after upgrading to 16.04

I upgraded my Kubuntu 15.10 machine to 16.04 yesterday. Everything was working fine. Today, I did a reboot. Upon logging in, my desktop doesn't show so I have a blank black screen. Thankfully, Plank ...
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5answers
37k views

Can I restart the KDE Plasma Desktop without logging out?

I'm just talking about the standard KDE desktop. After a while (many days) of running the task bar stops working properly. This is due to some sort of undiagnosed bug but that's really not my boggle ...
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1answer
18 views

KDM accepting username and password but doesn't load desktop

I installed kde with sudo apt-get install kde-full on my ubuntu 14.04 desktop, then I got a warning about running out of space (I can't remember it exactly) and kde was still installing so I killed ...
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0answers
27 views

Will installing kdeconnect-plasma in 16.04 come in conflict with an existing installation of kdeconnect?

Currently on Ubuntu 14.04 I installed kdeconnect 0.8 from a ppa, because 14.04 only has the 0.7 release packaged (https://launchpad.net/ubuntu/+source/kdeconnect). After upgrading to Ubuntu 16.04 I'd ...
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1answer
85 views

How to move, resize or remove KDE widgets since Plasma 5.5.5 (xenial) [duplicate]

Until Plasma 5.4.2 (wily) widgets could be unlocked and showed a side menu when hovering over them with the mouse. The side menu allowed moving, resizing and removing the widget. With Plasma 5.5.5 ...
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1answer
74 views

How to resize a Folder View widget on the desktop?

It's surely my fault, but I am not able to resize the folder view widgets I've put on the desktop. In the previous release (14.04, KDE 4) the folder view widgets all had auto-appearing hanldes for ...
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0answers
37 views

Installing KDE in Ubuntu GNOME 15.10

I'm trying to install KDE on Ubuntu GNOME 15.10, but I cannot get it to work. I'm trying to install it through the command line, using sudo apt-get install kubuntu-desktop but it doesn't work. It ...
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0answers
9 views

Black stripes in screen

I have a problem with my raspberry pi 2B, when I hooked it up with a hdmi to dvi converter to a DVI screen it worked flawlessly for about 2 and a half hours, since then I have been randomly gettings ...
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3answers
8k views

Disable touchpad while typing

How can I disable the touchpad while typing on KDE? Is there such a setting like in gnome?
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0answers
17 views

Plasma device notifier failing to start (kdeinit/kioexec)

When I plug in a USB storage device, I try to double-click it in the device notifier that comes up in my tray, but all I get is messages like: Examining: Finished // mtp:// blah blah blah /ALCATEL ...
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0answers
14 views

Kubuntu 15.10 - Session save doesn't work

This machine was originally installed with Kubuntu 14.10. Then I upgraded to 15.04, and since then it fails to properly restore my previous session. I recently upgraded to Kubuntu 15.10, hoping to fix ...
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0answers
17 views

I can't download new Plasma widgets and Plasma themes in Kubuntu 15.10

Each time I try to download the new Plasma widget from the Plasma Add-On Installer, I get the following error: Loading of providers from file: http://download.kde.org/ocs/providers.xml failed ...
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1answer
24 views

How to fix the problem of drop-down menus being transparent and not readable in Kubuntu 15.10

The Problem: The task manager dropdown menus are all transparent and not readable at all. The same goes for all the dropdown menus of libre office. I have tried to change the desktop theme but the ...
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1answer
22 views

Power management dies after suspend in Kubuntu 15.10

Ever since I upgraded to Kubuntu 15.10 from 14.10 power management dies after waking up from suspend (to disk or ram). The only thing that still works is dim display but it won't even un-dim. Screen ...
4
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2answers
107 views

How to deactivate all the desktop effects of KDE permanently?

I am aware that the shortcode of "Shift + Alt + F12" disables all the desktop effects of Kubuntu 15.10. However, is there a way to disable all those effects automatically and permanently in every ...
5
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1answer
5k views

KDE Plasma 5 Missing Removable Devices Option

I have upgraded my Kubuntu from 14.10 to 15.04 via Package-Manager. Now, Plasma 5 is used. But with Plasma 5, I am missing some functions: e.g. Removable Devices in System-Settings. (I used this to ...
0
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1answer
52 views

How can I quickly change the audio stream to a different device in KDE Plasma?

In Unity, if I click sound settings in the system tray, the window that comes up will allow me to change the default audio device live in one click. In KDE plasma, if I right-click on the speaker icon ...
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6 views

Graphical effect disappeared on kde4

Afternoon I had to reinstall xorg for some problems with the nvidia driver. Now all the effects are enabled (for example flickering windows) but do not work. and now all without as animations .. do I ...
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1answer
13 views

Accidentally killed plasma

I accidentally pressed ctrl + alt + esc, clicking on the process in the task manager, but it didnt work, and it selected the whole plasma desktop and got killed, is there a quick fix to start up ...
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0answers
12 views

KDE + VNC under Amazon EC2?

Starting with a 14.04LTS AMI, what are the magic incantations to get a remote desktop, preferably KDE? I tried the obvious: apt-get install kubuntu-desktop apt-get install tightvncserver ...
2
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0answers
131 views

Apps running with wine looking ugly

I've installed notepad++ with wine. If I run this application it looks like Win95. So now twenty years have past and I would appreciate a look that is a tiny bit more state of the art. I found this ...
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0answers
14 views

Akonadi/ Kmail is broken cannot get my POP3 messages/ accounts

Today kmail stopped working and I get the following while running akonadictl start: Starting Akonadi Server... Unable to register service as "org.freedesktop.Akonadi.Control.lock" Maybe it's already ...
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1answer
109 views

Krusader/dolphin safe to use for sftp without sha256?

I always use Krusader for (s)ftp. The dual pane is a sheer delight, better feel then Nautulis/Files. Version 2.4.0-beta3 Ubuntu 14.04 LTS Recently I got error messages connecting on some updated ...
1
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1answer
70 views

Screen Goes Blank After Boot

Once I start my computer Ubuntu starts to boot by showing the splash screen. Then once the splash screen goes away the login screen appears, but then quickly goes blank. I uploaded a YouTube video ...
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0answers
19 views

Audio mute button not working in KDE Plasma 5 Kubuntu 15.10

How do I get the audio mute button on my keyboard to work on Kubuntu 15.10? I read somewhere that changing global shortcuts for KMix in Global shortcut settings would work, but I couldn't find KMix in ...
3
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3answers
4k views

remember wireless password in kde

I've got kubuntu 12.04.3 LTS installed. Don't know why - whether it's a default option or I've made this - but KDE always keeps asking me for the wireless connection password and it's annoying a ...
0
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1answer
50 views

KDE login/logout issues in Kubuntu 15.10

I'm running a fresh Kubuntu installation on a new computer. Everything runs smooth except logging in and out of KDE. The problem could be divided into two parts: About 40% of the time, KDE won't ...
0
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1answer
44 views

Help understanding and debugging slow boot with systemd network-online.target

I've spent some time on google, but I don't want a quick fix here, I want to understand what is going on. I have a desktop which boots to Windows in 3 seconds, and booted older ubuntu's in under 10, ...
0
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1answer
170 views

Unable to use apt-get to install kubuntu-desktop in Ubuntu 15.10?

I was trying to install kde in my ubuntu 15.10. I used the following command sudo apt-get install kubuntu-desktop Before this commands completion i encountered these two errors-- The ...
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0answers
19 views

Firefox opens downloaded files with default app for Gnome instead of KDE which I am running

I am running Kubuntu 15.10 with KDE Plasma5. While I am running Firefox and open a file downloaded from there, it opens using the default application set in Gnome and not the ones configured for ...
2
votes
0answers
342 views

How can I re-order the activities in KDE?

I would like to be able to manually edit the order of my Activities in KDE. They are not listed in alphabetic order or the order that they are created, yet I haven't figured out how to change this ...
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2answers
1k views

Nautilus won't launch in Ubuntu 15.04. What should I do?

Nautilus won't start. When I try to launch it from a terminal, I get the following messages: (nautilus:3344): GLib-GIO-CRITICAL **: g_dbus_interface_skeleton_unexport: assertion ...
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0answers
24 views

Change font size of all BasKet notes at once

I would like to know how to change the font size of ALL BasKet notes at once. Selecting all notes in one basket makes the font toolbar grayed out, so this does not work.
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1answer
53 views

Installing Unity alongside kde

I am running kubuntu 15.10 32-bit for a while, and although I love the kde enviroment, I would like the option of having unity. So, I did the following: sudo apt-get update sudo apt-get ...
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0answers
8 views

KDE Login screen for 2 monitor

I'm wondering if is possible to remove one of the login screens under Kubuntu 15.10, I'm working with kubuntu and 2 monitors, and each time when I start my PC both monitor are showing the login window ...
1
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1answer
12 views

TAB key indents entire row instead of only text right of cursor

The TAB key is giving me unexpected behaviour in the text editor Kate on Kubuntu 14.04.3 LTS: Action Press TAB key. Expected behaviour Everything to the right of the cursor indents. Actual ...