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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1answer
17 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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33 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 ...
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17 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 ä, got it ...
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1answer
40 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
276 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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0answers
79 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 ...
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2answers
94 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
18 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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27 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
44 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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0answers
43 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
2k 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 ...
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0answers
10 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
368 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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0answers
130 views

Touchscreen calibration with xinput_calibrator - only one point is shown

I am trying to calibrate the touchscreen on a Dell XPS 15 using xinput_calibrator on Kubuntu 15.04. After clicking the red cross in the top left corner, rlayed, and clicking the cross again doesn't ...
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0answers
438 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
168 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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0answers
816 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
284 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
222 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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0answers
70 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 ...
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1answer
1k 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 ...
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1answer
12 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
659 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
302 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
141 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 ...
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1answer
194 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
48 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
62 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
3k 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
3k 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
133 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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0answers
109 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
96 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
163 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 ...
2
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0answers
166 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
215 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 ...
3
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1answer
2k views

Can't mount RAID after upgrade

I just upgraded my box to 14.04 and on bootup I got a message, that my RAID devices can't be mounted automatically so I chose to skip it and work through it after boot time. Now booted up, A mount -a ...
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1answer
36 views

How to run another installed system from within Linux?

I have Windows Server and Android X86 triple-booting with Kubuntu. How can I run either of them directly from within Kubuntu (without using virtual image files)?
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1answer
5k views

Make a “java -jar file.jar” run at startup

Hello I am running a kubuntu 13.10 distro, but I guess my question is pretty general...how to make a .jar execute in background at system start?
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1answer
1k views

Dynamically change /etc/hosts

Each time I change my IP address I have to go edit /etc/hosts and change the line: myPc-Vaio 192.168.1.x I need this change for some programs I am using, so I can't just set the line to 127.0.0.1. ...
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2answers
153 views

Add users from dat file

I have a dat file with names. These are the names of users I must add, without groups or passwords. Ofcourse i have to remove all spaces. I have to add them with a bash script. Can anyone help me ...
3
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3answers
9k views

NVIDIA driver upgrade failed

I downloaded the latest(331.49), tried to install, but failed. I compiled the kernel module and at the end of the installation it said that it went successful. But on bootup it said: version mismatch, ...
3
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0answers
325 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 ...
2
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1answer
73 views

Isn't /boot a separate mount?

My understanding is that /boot is being accessed by lower level tools (e.g. grub) during system startup and so it is formatted specially in a simpler format than the rest of the disk. But when I do: ...
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1answer
203 views

How are the services exactly starting in (K)Ubuntu?

I have latest Kubuntu. I have installed mysql. I was looking into the /etc/init. I see the following: In /etc/init/mysql.conf description "MySQL Server" ...
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1answer
428 views

What is the different bash per terminal session for Konsole?

I am using Konsole in Kubuntu. I was wondering what is the difference between a profile in Konsole and the profiles in our bash? I am reading that we can create different profiles per Konsole session ...
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1answer
330 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
286 views

Can not install any color scheme in Vim in Kubuntu

I have installed the latest Kubuntu. I am trying to set a nice color scheme for my terminal, but it does not work.For example I tried wombat256. I copied the wombat256mod.vim under ~/.vim/colors as it ...