The official Ubuntu derivative using the KDE Plasma Desktop

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Editing keyboard layout in kubuntu 14.04

I am trying to edit my keyboard layout (Russian). What I've done is edited file: /usr/share/X11/xkb/symbols/ru I did not make any big change, just replaced one key with another, so I am pretty ...
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Problem when updating kubuntu

I was doing a apt-get upgrade on my kubuntu, so I received this message E: Não pode configurar 'qml-module-qtquick2:amd64'. E: Internal error, packages left unconfigured. ...
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13 views

Kubuntu power options causing odd shutdown glitches

I've set my old laptop running Kubuntu 15.10 to sleep when I press the power button. If, however, I let it sleep for more than about 10 minutes, it logs out instead. How can I fix this??
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226 views

Kubuntu 15.10 - Manage Multiple Audio Outputs

I have been unsuccessful finding a solution to this, but if this is already answered somewhere I apologize for creating a duplicate post. I am currently using Kubuntu 15.10 and have been able to use ...
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11 views

Disabling the Adaptive Activation area in menus in Kubuntu 14.10 Plasma 4

I use Kubuntu 14.04 LTS x64 and it seems to use some sort of Adaptive Activation area menu, i.e. it eliminates corner steering by default. This affects all applications I have tried (kickoff start ...
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34 views

Multiple boot system

I have 4 Ubuntu operating systems on my grub. And each distro has grub installed. Ubuntu Unity 16.04 Ubuntu Gnome 16.04 Kubuntu 14.04.03 LTS Ubuntu 14.04.3 LTS So the grub can be confusing! I ...
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152 views

In Ubuntu 15.04 wifi works, but now with Kubuntu 15.10 i cant see wifi

I have a problem with Kubuntu 15.10 and also the SuSE Linux 42.1. SUSE Linux 13.2 and Ubuntu 15.04 WiFi works. Also, I can not use our Nokia phone as a modem in these Linux distributions. So now I use ...
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22 views

Exporting and importing Kickoff Application Launcher's menu?

Is there any way to export and import Kickoff Application Launcher's menu (i.e. the application list)? I use Kubuntu 14.10 LTS x64.
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89 views

Kubuntu 15.10 graphic problem on laptop compaq cq 56 Radeon 4250

my gpu is mobile radeon 4250 256@32 and i dont have installed video drivers ,(i tryed to dw ati drivers and to create package for 15.10 but without result .. i cant install them). From driver manager ...
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21 views

Dwell clicking software that supports right-dragging and allows to define shortcuts for Kubuntu

Is there any dwell clicking software for Kubuntu 14.10 Plasma 4 or Kubuntu 14.04 LTS x64 that supports the following features: left and right-dragging double/triple click a shortcut can be defined ...
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508 views

Global Menu in KDE Plasma 5

I know about the problem with appmenu-qt and qmenumodel. However, is there still a way to obtain a global menu in KDE Plasma 5.x? Preferably as a plasmoid, so i can put it in a panel easily? Is work ...
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85 views

Kubuntu HDMI Switch

So I have an HDMI switch. The thing is brilliant. Anyways. I have a computer with Kubuntu and when I switch to it on the switch it works great and dandy... but when I switch out it doesn't switch ...
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60 views

Log of refused connections by iptables

I suspect iptables to refuse some connection attempts I do on some ports. How to view the log of connections refused by iptables? I use iptables on Kubuntu 14.04 LTS x64. sudo iptables -v -x -n -L ...
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35 views

Sound misconfiguration after kubuntu upgrade

I've got some trouble with sound configuration on Kubuntu 15.10 (since I've upgraded from 15.04) with a USB external sound card (ESI U46XL). Since 15.10 upgrade, I completely miss the lower part of ...
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9 views

(Mac) Kubuntu Cursor Hangs

I Am Running Kubuntu On My Macbook Pro 2008 And Every Once In A While The Cursor Wont Move But I Can Click And Use Keyboard Shortcuts
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Crash kwin after run java application

After the last update to the Kubuntu 15.04 I had problems with running Java applications. After start java application kwin is crashing. Tested on LibreOffice and PhpStorm. Linux 3.19.0-33-generic ...
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419 views

Lubuntu USB Install Error - “Missing operating system”

I want to install Lubuntu after I uninstalled Kubuntu on my computer. But every time I try to boot the USB drive for installation, I get either a "Boot error" or "Missing operating system" message. As ...
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44 views

Watch Cmore on Kubuntu

I'm trying to watch Cmore on Kubuntu but it seems I cant, the reason is Silverlight.. The website suggests trying Firefox, but that dont work either. My question is, is there any way to watch Cmore ...
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30 views

Nvidia GPU is not loading when launching game

I have Kubuntu 15.10 (64bit) and Nvidia GTX660M. I can launch global offensive with integrated video card,but Nvidia card is not starting. I have two OSs, another is win8 and nvidia is working there. ...
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Rendering errors with Kubuntu 15.04?

My Kubuntu install shows random rendering errors throughout. The kdiff3 and context menu in Dolphin I included here are examples. IIRC I solved a similar problem a few years ago by deleting some ...
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40 views

Windows 10 Kubuntu dual boot, not recognized

Hi I'm new to dual booting and Ubuntu in general, I have a windows 10 PC that I tried to dual boot with Ubuntu Gnome and couldn't get it to install correctly because my stock hard drive had 7 ...
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366 views

Why can't I switch from Plasma to Gnome in Kubuntu 15.10?

I just upgraded to Kubuntu 15.10 from 14.04 LTS. The login screen has a dropdown offering me Plasma, Gnome, and Failsafe. However, the only option that works is Plasma. When I choose Gnome and enter ...
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57 views

How to change/disable switching virtual desktops by trackpad gesture

On Kubuntu 15.10 (14.10 as well), when I move my hand across the trackpad, it often changes virtual desktops. I prefer keyboard shortcuts & I want to turn touchpad switching off. I don't use this ...
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40 views

kubuntu will not choose the correct screen configuration

I was running Xubuntu on my Compaq Presario F700 with no problems. I installed Kubuntu 15.10 from a DVD and there were no problems until the final reboot. Now the login screen comes up fine, but ...
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545 views

Installing CUDA on Kubuntu 15.10: “error: You are attempting to install on an unsupported configuration”

I tried to install CUDA on Kubuntu 15.10 x64, with two Nvidia GTX 690 cards. On https://developer.nvidia.com/cuda-downloads, I downloaded the cuda_7.5.18_linux.run: then tried to run it using sudo ...
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25 views

Wireless connection on Kubuntu 14 stopped working

I have just installed Kubuntu on a Lenovo Thinkpad E455 which has a RealTek wireless adapter. In the live version, the wireless connection worked fine so I installed the full version. The wireless ...
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56 views

cannot start freefilesycn after update to version 7.6

I updated my FreeFileSync-installation recently to version 7.6. After doing this I'm not able to start FFS anymore with this error ./FreeFileSync: /usr/lib/x86_64-linux-gnu/libstdc++.so.6: version ...
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106 views

Add KRFB at startup in Kubuntu 15.10

How to configure KRFB so that it runs at startup in Kubuntu 15.10 x64?
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33 views

Why would 'open with' using dolphin/kubuntu fail to open libreoffice document?

Ok, here's the situation. My ubuntu server kubuntu gdm fails to open libreoffice documents from dolphin. I go to a folder with documents, I click on the document, the splash screen pops open, the ...
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39 views

VPN problem in Kubuntu 14.04

Just installed Kubuntu along Ubuntu. At my university internet is accessed only by VPN. Using Cisco anyconnect secure mobility client doesn't cause any problems in Ubuntu. Unfortunately when I try to ...
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84 views

Krusader copy-file progress on Kubuntu

I'm new to using the Krusader file manager (on Kubuntu 14.04) for copying lots of files using an SFTP net connection, which takes hours to complete. There is no progress window to let me know a copy ...
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439 views

Kubuntu 15.10 laptop no sound

I just installed kubuntu 15.10 on my laptop (spectre x360) and I'm having trouble with the sound. No sound is played through the speakers nor the headphones. It seems a number of people have/had the ...
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30 views

Kubuntu protocol handler

I'm using kubuntu with KDE v. 4.14.13. Until yesterday was everything ok. But after last update to 15.10 (beta i think?) my protocol handler stop working. I've got entry in ...
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153 views

Kubuntu, wifi not working

I recently installed kubuntu 15.10, and I can't use the wifi connection. I have an allienware 15, if that helps.
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23 views

I have lost the keyboard functionality when attmpting to install Kubuntu 14.04 - 64 bit…please help or advise?

I downloaded Kubuntu 14.04 (64 Bit) and burned the ISO file to DVD disk to install on an HP Laptop Computer (dual boot using Windows 10). I have lost the keyboard functionality when attmpting to ...
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165 views

Kubuntu 15.10 overheating and shut down problem

I've just installed kubuntu 15.10 on my dell xps 15 l502x, i7 sandy bridge with 4gb of ram. The system is really slow, the desktop environment is buggy and I haven't been able to update nor to use it ...
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70 views

Issue configuring `dead grave` key to launch yakuake

I just moved from Ubuntu to Kubuntu I'm moving too on default apps, so I installed yakuake instead of guake. The issue is that I launched guake with the dead grave key (the previous to the 1 key, ...
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122 views

Cannot reboot Kubuntu 15.10

I installed Kubuntu 15.10. I am able to boot and shutdown perfectly fine, but I cannot reboot. After trying to reboot I see the word kubuntu with a blue glow around it. After that disappears my screen ...
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85 views

cant' install software in my kubuntu 15.10

I can not install any software in kubuntu 15.10. In software center when click on install button it shows starting but there is no progress anywhere and it dosen't install anything. I tried it from ...
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21 views

Activate Drivers selectively when running a full Ubuntu Installation from USB

I installed full Kubuntu 15.10 on a portable SSD to carry around and use as my main OS on the go. It works like a charm on any computer that has a built-in graphics card. For dedicated ones, I have ...
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24 views

Unable to launch kwalletmanager

I'm using Kubuntu 15.04 and I'd like to launch KWalletManager to inspect my wallets. The problem is: when I try to execute the program no window shows up. Clicking through the menu or by searching in ...
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108 views

Run *ONLY* `/etc/acpi/powerbtn.sh` when power-button pressed, and not *ANYTHING* additional

I want to run a custom script when the power-button is pressed. For a simple test, I put only a single line in /etc/acpi/powerbtn.sh. That line creates a file it_ran.txt in my home folder. There is ...
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93 views

Icon theme is selectively applied after upgrade from kubuntu 15.04 to 15.10

This is easiest to see with the following screen shot. As you can see there are clearly two different icon sets being used. I have breeze set as my icon theme, but dolphin is using oxygen, not the ...
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93 views

Plasma 4 on Kubuntu 15.10

I installed Kubuntu 15.10 to have the latest and greatest in core functionality, however it came with Plasma 5...which although fast isn't what I'm looking for, visually or functionally. I had a ...
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13 views

Kubuntu 15.04 boot problem

I am new to linux. I had windows and kubuntu 15.04 in dual boot. Now I have decided to get rid of windows. I formated 2 of my hard drvives. I reinstalled kubuntu. But now I can't boot in it. I tried ...
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129 views

Kubuntu 15.10 stuck on boot logo

Since today Kubuntu 15.10 won't boot automatically any more. When I enter tty1, I get to the root console and can start the Plasma desktop manually by entering "startx".
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378 views

Wifi keeps getting disconnected on Kubuntu 15.10

I recently installed Kubuntu 15.10 alongside Windows 10 (Both on separate partitions.) Wifi keeps disconnecting and dropping packets when i'm running kubuntu. It runs fine on Windows 10. I'm using a ...
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96 views

I can't find the mimeapps.list file

i need to have mimeapps.list file on my system. But sinece kubuntu 15.10 i can't find it. This file is a freedesktop standart that link application mime type to existing applications. Why this file is ...
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329 views

Kubuntu stuck at boot 'mismatch in ips_enabled'

I installed Kubuntu recently, dual boot, other boot I run Windows 10, so today I installed the latest kubuntu, and today when i restarted it always did this on the screenshot, But since now It's just ...
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11 views

Reinstall Kubunttu

I have Kubuntu on a separate SSHD but on installation I'm not given the option of installing Kubuntu on it only the other larger Hds(3Tbs) The workaround, for me, was to disconnect all other HDs and ...