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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Making changes to /etc/fstab

I have followed this tutorial to install a second HDD from scratch besides my SSD from which Kubuntu 14.04 is booted: https://help.ubuntu.com/community/InstallingANewHardDrive Partitioning and ...
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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
103 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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1answer
3k 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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1answer
941 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
45 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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35 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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3answers
191 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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2answers
29 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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4answers
11k 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, ...
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1answer
1k views

Resume from hibernate fails after image restoration

I've been trying to get hibernation to work, and am having problems. The system seems to go into hibernation just fine, but when I try to restore from disk, the process stops just after a message ...
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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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101 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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3answers
536 views

Linux Mint 14.1 not bootable because of “secure boot”

I'm trying to install Linux Mint 14.1 on my Lenovo B570, but when I try to boot the thumb drive, it displays a message: "Secure boot is not enabled" and then goes black screen. I read lots of posts on ...
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1answer
68 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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1answer
31 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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20 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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0answers
116 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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1answer
53 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
686 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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2answers
179 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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0answers
5k 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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33 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
4k views

How to install listings package in Kubuntu for LaTeX?

I installed LaTeX on my Kubuntu with those commands: sudo apt-get install abntex sudo apt-get install texmaker sudo apt-get install texlive-latex-base texlive-latex-extra texlive-latex-recommended ...
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3answers
236 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 ...
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46 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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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
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
632 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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194 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
548 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
201 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
348 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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935 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
357 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
249 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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77 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
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 ...
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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
365 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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1answer
196 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
57 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 ...
2
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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
154 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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116 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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100 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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4answers
3k views

Dual boot - Kubuntu and Windows 8 - how to?

I recently installed Windows 8 on my computer. These are the specs: Fx-8150 CPU 8 GB RAM ATI HD7870 120 GB SSD 2 TB HDD Mainboard: Gigabyte GA-970A-UD3 (rev 1.1) (only bios but EFI mode possible ...
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2answers
176 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 ...