Questions tagged [kde]

KDE is a full featured desktop environment and collection of software for communication, work, education and entertainment.

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44
votes
6answers
75k views

How can I set mouse sensitivity, not just mouse acceleration?

I can't find a single desktop environment that supports setting both mouse acceleration AND mouse sensitivity. I don't want any mouse acceleration, but I want to increase the speed of my mouse. That ...
41
votes
8answers
168k views

Why can't I run GUI apps from 'root': “No protocol specified”?

I installed debian onto my machine last night. Now, I don't understand why I can't run GUI apps from a terminal when running as root. For example: sudo -i glxgears Generates the following output: ...
2
votes
1answer
18k views

How to remove all kde packages?

So I recently installed the kde packages, running the command apt install kde-full for installing the kde desktop environment, after test it a while I realize I didn't want it anymore so I remove the ...
11
votes
1answer
874 views

Some apps doesn't accept some characters from the «Compose» key

The problem is that the compose key works fine, but some application doesn't accept some characters from it. E.g. I can type the character ∞ in Emacs (Compose+8+8), but this won't work in FireFox, ...
9
votes
4answers
4k views

How to register application in KDE?

Normally, when you install regular package of KDE application, its icon shows up in KDE menu. Now, I am making package for app which came in *.zip file, I can install it, run it, but it does not show ...
1
vote
1answer
3k views

SFTP over reverse SSH tunnel?

I want to SFTP to a remote computer that is behind NAT. I can't modify the NAT router, so I have set up a reverse SSH tunnel using a middleman server. Here's what my SSH tunnel looks like: laptop---&...
30
votes
1answer
2k views

Multiple Keyboard Layouts and Shortcuts

I configured KDE to switch easily from a bépo (french-dvorak) to an azerty layout. I configured it with the KDE interface (systemsettings), but I guess it just call setxkbmap be and setxkbmap fr. The ...
17
votes
5answers
9k views

Run a dbus program in crontab , how to know about the SESSION id?

I need to run some program within crontab , but how can the program know about dbus session id ? it's only available for programs launched by session managers.
9
votes
2answers
4k views

How can I run a kwin script from the command line?

I wrote a really basic kwin script to tile windows how I like them, // Main reference: http://techbase.kde.org/Development/Tutorials/KWin/Scripting // Top-level parameters. Adjust these as suitable ...
11
votes
1answer
22k views

How to change the default program for a chosen file type system-wide in kde or xfce?

I would like to have files of a chosen type (by their extension) to open with some specific programs. Which configuration files do I need to edit? I've tried some in /usr/share/appplications/default....
11
votes
2answers
3k views

UTF8 math symbols & keyboard layout / input

I'd like to use UTF8 math symbols, when typing one list, another list. I've found something called ComposeKey. Unfortunately it's not covering omega, theta, right arrow etc. I am using KDE, I've ...
8
votes
2answers
2k views

How to switch pane in Dolphin using keyboard?

I'm a long time user of KDE Dolphin and love the pane mechanism. I know you can open/close pane using F3. However, I can't find a shortcut to switch from one pane to another like Pycharm, Tmux or ...
10
votes
1answer
485 views

Screen doesn't always shut off on its own

It seems like when I have certain web pages focused, my screensaver will kick in, but the screen won't turn itself off. Does anyone have any ideas why this might be? Is there a way to disable whatever ...
10
votes
3answers
15k views

KDE global menu disappeared in Plasma 5.12

I upgraded to plasma 5.12 and the global menus disappeared, and the entry in settings (Application Style -> Widget Style -> Fine Tuning) also disappeared. I tried deleting the plasma* files from ~/....
9
votes
1answer
845 views

How to give the same order for “OK” and “Cancel” buttons in KDE and GNOME applications?

I have installed some KDE and GNOME applications on the same computer. I use the applications at the same time. I find, I often hit the wrong button when I see "OK" or "Cancel" or "Yes" or "No" ...
8
votes
2answers
6k views

How can I set env variables so that KDE recognizes them?

I need to set some environment variables such as the XDG spec ones, before KDE starts in such a way that kwin and any apps run from KDE will inherit them. Where could I do this, and how?
6
votes
2answers
5k views

Linux slows down after long uptime

Occasionally I leave my openSUSE 13.1 64-bit system KDE-based up for a few days or even a week without a reboot. However, I notice after a night of idle standby the system gets very slow when I want ...
4
votes
2answers
535 views

Changing hostname disturbs the system and DE's like KDE, Gnome, etc… What can I do to allow it anyway?

Long time ago I started to develop some kind of stealthmode-demon in c++. Part of this is to be only run as root and another part of it is, to change the hostname to a randomn generated one. I ...
4
votes
1answer
4k views

Launching applications from a terminal with specific window size and location

I am running Linux Mint 13, with a KDE 4 desktop manager. I would like to launch applications from a terminal (konsole in my specific case) and setting the exact size of the window and the location of ...
0
votes
1answer
7k views

Remote desktop (KDE) over SSH reverse tunnel

I have a reverse ssh tunnel through a middleman server set up and working. I'm running Kubuntu 12.04 here and on the remote machine. I want to open a remote desktop session. Until now I've been ...
10
votes
2answers
17k views

using sudo on GUI applications

When I was using kubuntu, I could always open X applications with sudo, sudo kate for example. Now that I've switched to arch that doesn't work. I know I've always been told to use kdesu, but what ...
6
votes
7answers
4k views

Linux distribution that offers a good KDE experience

I have been a Gnome user for years (8 years), and I'm looking for recommendations and comparisons of Linux distributions that offers good KDE integration/experience. Some details to mention: the ...
4
votes
1answer
127 views

Where is /usr/share/applications/defaults.list on Arch?

Where is /usr/share/applications/defaults.list on Arch?
4
votes
2answers
1k views

Suspending the global KDE&X-Windows keyboard shortcuts while specific application is running

I'm running KDE on Arch-Linux 64b. I've been a Vim user for two years now, and I want to try learning Emacs - just so I can have a justification when I diss Emacs users. So far, my main problem with ...
1
vote
1answer
171 views

Firefox '3 bar' menu not opening

I'm running Linux Mint KDE and have been having an issue with Firefox lately. When I attempt to open the the Firefox menu (the one on the right with 3 bars), clicking has no effect. Pressing alt ...
24
votes
2answers
28k views

What does LIBGL_ALWAYS_INDIRECT=1 actually do?

KDE SC 4.5.0 has some problems with some video cards including mine. Upon Release Arch recommended several workarounds. One of which was export "LIBGL_ALWAYS_INDIRECT=1" before starting KDE I ...
11
votes
4answers
3k views

Why does my desktop lock up when I copy lots of files to a USB drive?

My desktop is usually very responsive, even under heavy load. But when I copy files to a USB drive, it always locks up after some time. By "lock up", I mean: Moving focus from one window to another ...
7
votes
1answer
4k views

Why does KDE Accessible / the screenreader start automatically and how to prevent it?

I'm running Debian 9.1 with KDE and KDE Accessible / the screenreader keeps appearing from time to time for some reason. I'd like to know why that is and how to prevent it from starting. It's not ...
7
votes
1answer
1k views

How to give each Firefox profile its own application icon in Plasma

I'm running KDE on Arch Linux. I have the following two .desktop files. [Desktop Entry] Comment=First Profile Exec=firefox --no-remote -P First %u GenericName=Firefox First Profile Icon=/path/to/...
5
votes
2answers
3k views

Expand KDE activities concept to the shell

Sometimes, I use KDE, and one of the things that I like the most in KDE 4 is the activity concept. At work, it is very useful because I often work on several different projects during one day. ...
11
votes
5answers
22k views

Configuring mouse for right+left button simulating middle click (for copy/paste)

I was using the mouse copy-paste extensively, until recently, when some OpenSuSe upgrade reconfigured this on all my machines. Now the scrollbuton is the one to paste (which I hate, since it's hard to ...
8
votes
1answer
1k views

How can I prevent Meta from opening up KDE Plasma's launcher?

When I press Meta, KDE Plasma's Application Launcher (Kickoff) opens. This occurs whether I tap the key, or hold it down for a long time. How can I prevent this from occurring?
6
votes
1answer
3k views

Install KDE applications under Gnome?

I try my best not to install KDE applications on Gnome of my Ubuntu, but sometimes I have to install some KDE applications such as Okular. Moreover, sometimes I have to install from their source of ...
5
votes
3answers
4k views

Why does kdeconnect listen on port 1716/tcp all the time? How to close the port / secure it?

Zenmap shows me that port 1716/tcp is open and sudo fuser -v 1716/tcp tells me kdeconnectd is responsible for it. Why does kdeconnectd have the 1716 port opened all the time? And what would be best ...
12
votes
3answers
10k views

Change default applications used by gnome-open, exo-open, xdg-open, gvfs-open and kde-open

How to change the applications associated with certain file-types for gnome-open, exo-open, xdg-open, gvfs-open and kde-open? Is there a way by editing config files or by a command-line command? Is ...
11
votes
2answers
14k views

How to reset KDE wallet password in linux?

I have installed OpenSUSE on my laptop. I am trying to connect to my wifi. I entered my wifi password (correctly) and then it is asking for my KDE wallet password. I set the KDE password but forgot it....
8
votes
3answers
16k views

Ideas how to get my usb audio interface to work with Linux?

PulseAudio does not appear to recognize the Focusrite Scarlett 6i6 USB audio interface. The 2i2, however, is properly recognized and it works as expected. I can't seem to get the 6i6 to work on the ...
7
votes
1answer
51k views

QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' when running sudo commands

When running sudo commands such as sudo dolphin I'm getting this strange error: QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' What does it mean and how can I fix it? ...
15
votes
5answers
9k views

How to stop the screen from blanking / blacking out?

I have re-installed Debian 7 (Wheezy) after a while. For the first time, I am using the open-free Nvidia drivers (not nouveau) and vesafb for virtual consoles. I cannot, for the life of me, stop the ...
6
votes
3answers
3k views

Overriding the shade of color displayed

I have to work on systems which display some colors that are hard to read. I ssh into these systems, but don't have management permission to change the colors they display. Is there any way I can ...
5
votes
2answers
2k views

Create url link in menu

How can I create a menu item that points to a URL? I've tried creating a mylink.desktop entry like this: [Desktop Entry] Encoding=UTF-8 Name=My Link Name Icon=my-icon Type=Link Categories=Office; ...
4
votes
2answers
2k views

Can't add program to favorites in Debian Jessie

I've just installed KDE's KolourPaint in my Debian 8 (though I'm using Gnome, it's working very well -- and it's the most similar to Windows' Paint I've found up to now). The problem is: like some ...
3
votes
1answer
1k views

KDE - Problem with dark themes

Hello there Linux super users, I have a slight problem with my KDE Plasma 5.4 setup running on Kubuntu 15.10. Whenever I select a dark theme (in this case: KArc, the problem is the same for Breeze-...
2
votes
3answers
6k views

How to completely remove KDE from Mint 17?

The original system that has been installed is Linux Mint KDE 17.1 Rebecca, later upgraded to Linux Mint KDE 17.2 Rafaela. Onto which I have installed Cinnamon desktop environment yesterday. I am ...
2
votes
0answers
523 views

Setting KDE to crop the laptop's screen to match external VGA device's ratio

I have a laptop with 16:9 screen ration. Sometimes I need to attach it to a projector via VGA. The projector ratio is 4:3. I use System Settings->Hardware->Display and Monitor->Size & Orientation ...
0
votes
1answer
2k views

Could not start D-bus, can you call qdbus?

I am using fedora 22. Yesterday it was working fine. But when I opened it today after entering my password it says "could not start D-bus, can you call qdbus?" When I searched for the solution in ...
14
votes
2answers
11k views

Kde: how to bind permanently an application to a desktop/activity?

Im pretty new to Kde 4.8 and I can not figure out how to get this behaviour that I used to have in Gnome: Desktop 1: developer/misc (browser, editor/ide, diff, etc..) Desktop 2: virtual machines (...
11
votes
2answers
699 views

Is is possible to use KDE as well as Gnome on a machine?

Is it possible to install KDE and Gnome on your machine (using Fedora) in such a way that when you boot, you can specify whether you want to use KDE or Gnome. Even better would be if you can switch ...
9
votes
4answers
5k views

How do I move applications between KDE Activities?

How do I associate applications with KDE Activities? It doesn't seem obvious how it works. Are there any tricks?
8
votes
4answers
20k views

Scaling the desktop - kde

I've just installed OpenSuse 13.2 on my xps13. The resolution is a whopping 3200 x 1800. Which causes the text to come up tiny... Any way for me to scale this without having to lower the resolution (I'...