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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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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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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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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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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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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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
168 views

How does the new KDE Neon compare with Kubuntu and what are the advantages and disadvantages of each

I noticed that there is a new distro called KDE Neon, but to me, it sounds just like Kubuntu, I don't know what the differences between it and Kubuntu are and whether one has any advantages/...
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1answer
34 views

How to increase font size in KDE?

I have increased the font size by going to System Settings -> Font. This changed it for some applications like Konsole and File explorer. But this doesn't reflect in other applications like Firefox ...
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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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2answers
736 views

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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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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1answer
67 views

USB/bluetooth tether to Kubuntu 15.10

I am trying to provide Internet to laptop, from any of two phones. I can do it only by wifi, but it drains battery quickly. When same laptop had Linux Mint 17.1-3 XFCE it worked without problem (on ...
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2answers
36 views

How to download remotely by sending URL

I've been trying to search but keep getting results on how to remotely install Linux and how to send files to another Linux computer, and can't find what I'm trying to do. I would like to be able to ...
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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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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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1answer
60 views

How can I edit desktop shortcuts on Kubuntu 15.10?

How can I edit desktop shortcuts on Kubuntu 15.10 ? I mean properties. The command at least. If I right click the desktop shortcut and go to icon settings, there is a keyboard shortcut, which can be ...
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1answer
741 views

How to make Nvidia Optimus work on Kubuntu 15.10

I thought it would install itself properly since it offered me Nvidia drivers after fresh system installation. It did not.
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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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226 views

KDE with plasma 5 doesn't automount the partitions anymore on Ubuntu

Until recently, kde was autommounting all my partitions after I was logging in. But, after an upgrade (a few months ago), this stopped happening and now I use krusader to manually mount the patitions ...
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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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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. ...
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1answer
82 views

Plymouth falling back to text boot animation

Ever since a kernel update and reinstalling the nvidia-346 package for the Nvidia proprietary drivers for my GPU, Plymouth has been reverting to using the text boot animation instead of the graphics ...
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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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1answer
4k views

Help me repair my python - I think dpkg has to be reset (very tricky issue)

first question in Unix & Linux - I really hope, someone can help... Summary (TL;DR) On my Kubuntu 14.4 (which has python 2.7.6 as standard) my python is broken after I tried to install python 2....
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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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1answer
777 views

Bash script to detect a file modified yesterday and check if its size is above a certain threshold

I'm writing a script to stat all files in a directory, and then find specific files that were created yesterday and tell me if they are larger than a certain size or not. So basically I need this to ...
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607 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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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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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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1answer
391 views

macbuntu - is it a linux distro or a desktop or a theme? [closed]

These might be very basic newbie questions (and if it is too basic, I would be happy to remove this post). After 25+ years of using various versions of Windows, to experiment with non-Windows OS, I ...
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1answer
269 views

trying to dual boot kubuntu with windows 7

I have windows 7 as my primary is . Now I would like to install kubuntu here is what I get in the disk setup What should I do to use dual boot?? Manual option doesn't do anything!!
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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 ...
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1answer
2k views

Adobe Flash installed in Firefox, but not in Chromium, getting install error Error - AptUrl: The channel 'utopic-partner' is not know

I've installed Adobe Flash in Firefox succesfully and all works fine, but I cannot it get running under Chrome. If I try to install .apt Adobe Flash install file from Chrome, I get error in screenshot:...
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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
1k views

Testing if HL-340 works

I have Kubuntu 14.10 development workstation and recently I have bought a pair of QinHeng Electronics HL-340 USB-Serial adapter via eBay. HL-340 is USB<---->Serial adapter and it is recognized by ...
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1answer
385 views

Ubuntu experience on a Chromebook [closed]

So I want to buy a cheap laptop, just to code and I need Ubuntu for that. So I thought about Chromebooks, but some questions came to my mind: 1. Which methods are available to install ubuntu on a ...
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2answers
229 views

How to automaticly open a URL at specific times each day

I am using kubuntu 14.04. I have installed cron using sudo apt-get install cron, and then I created this file in IDLE, called openurl.py. #!/usr/bin/env python import webbrowser webbrowser.open('...
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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
65 views

Is it neccessary for me to update my kernel? And how? [closed]

I'm trying to install Kubuntu on a VM in order to do some deep learning following this guide: https://github.com/BVLC/caffe/wiki/Ubuntu-14.04-VirtualBox-VM I'm stuck in the step of the guide that ...
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1answer
2k views

How to integrate Kali Linux features in Ubuntu

I have tried Kali Linux, a Debian distribution with very powerful security auditing and hacking features. Since the distribution is based on Debian like Ubuntu, I suppose it should be easy integrate ...
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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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1answer
4k views

Intel Graphics Driver for Kubuntu 14.10?

I am running Kubuntu 14.10 on my computer, which is an Asus laptop with an Intel graphics card (type below): VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family ...
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1answer
4k views

How do I adjust kubuntu's maximum screen resolution?

I have seen multiple solutions to problems similar to this online, but not one that worked for me. I am kind of a Linux newbie. I am running Kubuntu 14.10. My screen resolution is currently at 1024 x ...
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2answers
181 views

Is Kubuntu Debian-based? and installing alongside Windows 8 [closed]

Kubuntu is part of the Ubuntu project. Is it also compatible with all debian software, isn't it? So are all softwares made (or certainly-compatible) for Ubuntu (i.e. Software Center, Steam, Blender, ...
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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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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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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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0answers
176 views

Help troubleshoot a very slow system performance (Kubuntu, intel graphics) [closed]

As the title says the performance of my laptop is simply terrible. i3 M380 @ 2.53GHz, 4GB RAM (of which more than 2GB is rarely used), intel HD graphics (to external monitor through HDMI). It takes ...
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3answers
248 views

Accents not working on LibreOffice. How to report bug

When I try to write an accent (spanish in my case) in Libre Office, it just won't write it. I know everything else is fine since I can write accents on other programs (i.e my console). What is ...