Kubuntu is the official Ubuntu derivative using the KDE Plasma Desktop. Use this tag only for questions that are Kubuntu specific. Questions for Kubuntu are probably better asked at http://askubuntu.com/, the stackexchange site for Ubuntu.

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Linux/compiler-gcc5.h: No such file or directory

I run into problem compiling a kernel scheduler for testing the compiling error linux-2.6.32-rc3/include/linux/compiler-gcc.h:86:30: fatal error: linux/compiler-gcc5.h: No such file or directory ...
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2answers
184 views

No sound on my system

So I've been trying out linux, and regardless of what I do, I end up getting no sound at all. I've tried researching the matter to no luck. At first I tried Debian, then moved onto Elementary OS, and ...
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1answer
472 views

How to customize logout options under Kubuntu

I'm running a machine with Kubuntu and Windows XP in dual-boot. I recently learned about the very useful grub-reboot command, and id like to know if it is possible to customize the logout options (...
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1answer
15 views

Using chroot to restore Kubuntu 14.04

I have accidentaly purged some system files and now Kubuntu 14.04 won't boot past the start up logo. I read online that I can perform changes on my system through my LiveUSB and the BASH chroot ...
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1answer
18 views

swap windows with dash script

I have written a bunch of dash scripts that resize and move windows for better efficiency. The structure is the following: i have a row of 8 windows that are stacked to the bottom of my screen, like ...
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1answer
37 views

kubuntu 14.04 - do not show window in start panel when on another desktop

I use kubuntu 14.04 and I have configured 4 virtual desktop. When I go from a virtual desktop to another, I'd like to not see the programs opened on the first desktop on the start bar. Is it possible ?...
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1answer
362 views

fstab bind inconsistency - Is a link a better option?

When binding two folders together as configured in /etc/fstab; #folder-with-old-data new-empty-folder fs option flags /home/user1/Mydata/Pictures /home/user1/Pictures none bind 0 0 ...
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1answer
8 views

How to change password for SAMBA printer on Kubuntu 14.04

On my desktop at work with Kubuntu 14.04 I have (actually had) access to a network printer (Windows printer via SAMBA). After changing the password of my account I naturally have to reconfigure the ...
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1answer
30 views

Plasma crashes when I switch applications using taskbar

I have KUbuntu 16.04 with all the latest updates. Everytime I switch application using taskbar, Plasma crashes with a segmentation fault.
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1answer
213 views

Kubuntu dosen't open anything at startup?

I had installed kubuntu 15.04 a few weeks back. Till now it had worked fine. But somehow it has started to behave oddly. I do see it boot and am greeted with the plasma login screen but after I ...
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1answer
14 views

how can I get the 'extra' bar on icons to stop coming up?

On Kubuntu 14.04, I have icons on my desktop. When I hover my mouse over them for even a split second, the little bar comes up which lets me resize, etc. How do I keep that bar from coming up?
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1answer
200 views

Kubuntu 14.10 Wireless DNS Issue

I'm quite new to using Kubuntu and have run into issues with the wireless connection on Kubuntu 14.10. The wireless connection says that it is connected, and I can ping IP addresses of other devices ...
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1answer
66 views

Install current windows system once replaced by Ubuntu

I would like to know if it is technically possible to virtualize a windows 8 operating system on a machine. Then completely replace windows by Ubuntu on the same machine And install the virtualized ...
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0answers
39 views

Directing sound output for specific applications

I'm trying to direct the sound from Youtube running in Opera to my sound card's HDMI output (to a TV), but still have all other OS sounds go to my PC's "Built-in Audio Analog Stereo" playback device. ...
3
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0answers
82 views

Automatically restarting process in the X server

I would like to know how to have a process that starts with the X server and automatically restarts when it stops running. I am running Ubuntu 14.04 with a KDE 4.13.3 desktop. I am running the ...
3
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0answers
358 views

How can I crop a 1920x1200 monitor to 1920x1080?

I have just purchased a 1920x1200 monitor, and have some situations where I want to force the output to the more common 1920x1080. However, I don't want to distort the output, and would prefer a "...
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0answers
13 views

Not Booting past Logo

I have been messing around with uninstalling a program (emacs24) on Kubuntu 14.04 and for this followed this instruction: (see Hartmut's answer). After I didnt manage to get rid of all emacs files, ...
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0answers
144 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-...
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0answers
608 views

Kubuntu/Plasma(?) crashes on dual monitor setup

I'm using the latest Kubuntu /w Plasma. Usually I have one external monitor, which I connect to my laptop. Everything worked sort of fine (except of few restarts needed to get both displays working ...
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0answers
1k views

Docear on Kubuntu 12.04 64

I am running a 64bit version of Kubuntu 12.04 and I would like to run Docear (Some kind of research assistant) on it. The software is based on Java (which I had it installed) and has only a .sh file ...
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0answers
6k views

ssh-agent not getting set up (SSH_AUTH_SOCK, SSH_AGENT_PID env vars not set)

I set up a new user account for a friend on Kubuntu 12.04. When he uses ssh he gets this error: Could not open a connection to your authentication agent We're running ssh in some bash scripts. ...
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0answers
290 views

What caused this ext3 filesystem / mounting problem?

((K)Ubuntu 12.04, kernel 3.2.0-38-generic, fstype ext3) I recently came across the 'great idea' of using hibernation to save state in my main OS, while I boot another OS. I've done this without ...
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0answers
592 views

How to properly configure GRUB settings from KDE System Settings

I'm using Kubuntu 12.04 with KDE 4.10, and I recently installed the kde-config-grub2 that places a nice Grub configuration panel into KDE System Settings. I played around a bit, more for learning how ...
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0answers
11 views

Edit commands for icon launcher

I am having an issue with Kompozer and as per a recommendation I am now launching it (from command line) with OXYGEN_APPLICATION_NAME_OVERRIDE=xulrunner kompozer. I was (previously) launching the ...
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0answers
971 views

Starting Wait for Plymouth Boot Screen to Quit

I'm struggling to install Kubuntu 15.04 on my PC. I've got a GTX 970 which i think is throwing off the trial mode from starting up. nomodeset doesn't work, so I tried nouveau.noaccel=1 to beget this ...
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0answers
124 views

remove KDE plasma

Recently I have installed KDE desktop on my Ubuntu 14.04. then I wanted to uninstall it. I tried everything like this but no use. I can still login to KDE. the worst part is even in unity so many ...
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0answers
106 views

Browser audio output (Kubuntu)

I am working on Kubuntu at work and sometimes I plug wireless headset instead of using standard laptop speakers. Headset works using additional usb plug so it is detected as a separate device by ...
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0answers
482 views

Problems with booting with Kubuntu 13.04 / Windows 7 Dual boot

So I've had Kubuntu running on my Lenovo laptop as the only operating system for most of the summer. Earlier this week, I decided to shrink the home partition in order to add a Windows 7 partition. ...
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0answers
196 views

adb connection problem on Kubuntu 13.04 x64

I'm facing a problem with ABD connection under Kubuntu 13.04 x64. Every time I try to push/pull/shell ls the adb disconnects from device. I tried the following solutions: Added device ID into ....
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0answers
16 views

Send Capital Letters with Custom Shortcuts in Kubuntu 16.04

I recently upgraded to Kubuntu 16.04 and I have been reassigning keyboard shortcuts. In 14.04, if I wanted to assign a keyboard shortcut to type the word, Hello, for example, I could do the following: ...
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0answers
8 views

Fixing Kubuntu from LiveCD

After uninstalling some programs on Kubuntu 14.04 today, my system crashed and after restarting I can not get past the pulsating Kubuntu startup logo. I believe that while uninstalling the programs I ...
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0answers
57 views

Installing Kubuntu from USB

I have a brand new machine and am trying to install Kubuntu 16.04, the latest stable release. On an old machine I have downloaded the iso file from the kubuntu website and created a bootable USB using ...
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40 views

Kubuntu 15.10 second display hangs

Connecting external monitor stops refreshing content on both displays (laptop's and monitor's). I can still hear music playing in background without problem, and can move mouse between displays, but ...
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121 views

Starting sddm causes libX11.so.6.3.0 to segfault under Kubuntu 15.10/Linux 4.4/nvidia

After installation of kernel 4.4.0 on my Kubuntu 15.10 box, starting sddm causes segfaults: sddm-greeter[5167]: segfault at e4 ip 00007f5295601b50 sp 00007fff46e769a8 error 4 in libX11.so.6.3.0[...
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22 views

Character encoding keyboard suddenly changes

Now and then I lose the Swedish encoding on my Linux platform Kubuntu / just suddenly the character set on the keyboard is changed. For instance when I press the key for the Swedish letter รค, got it ...
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0answers
52 views

LibreOffice crash my KDE 5.9

Every time I open any of the program from LibreOffice Suite, it makes my KDE crash. I see the interface going away (closing all my opened programs) and being replaced by the default black background ...
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0answers
319 views

Remote desktop server as daemon

I'm using KRFB as remote desktop server in my Linux Mint KDE. It works fine as usual remote desktop server but I've to log-in then run it manually (or at start up) How can I run KRFB of any remoter ...
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0answers
285 views

Downloading and installing KDE libraries on Kubuntu 12.04

I want to start writing some simple plasmoids. However I am unable to use K-objects in QtCreator or KDevelop. I likely do not have the required libraries / SDK. How do I install it, or if I already ...