The official Ubuntu derivative using the KDE Plasma Desktop

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No sound - Skype 4.3 KUbuntu 14.10

After upgrading to 14.04 I lost sound in Skype. Tried many things suggested on different forums etc. but nothing worked. So I upgraded to 14.10 hoping this will resolve this issue, but alas it didn't. ...
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2answers
8 views

kubuntu / Windows xp partition- want to upgrade to windows 7 but keep kbuntu

I have dual boot: Windows XP and Kubuntu. I want to upgrade to windows 7 but naturally want to keep Kubuntu. If i do a clean installation of windows 7 will that delete the Kubuntu partitions on my HD ...
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10 views

Oxygen theme in Kubuntu 15.04

I tried Kubuntu 15.04 on my Pc, but i don't like the "Breeze" theme, i know it is still available Kubuntu 14.04.2, the LTS version, but i wish it was developed the complete "Oxygen" Theme that makes ...
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4 views

Qt Creator fails in designer tab

Qt Creator in designer tab displays black frames. At the same time in Konsole I have the following message several times (more than 30 times): QQuickWidget cannot be used as a native child widget. ...
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1answer
18 views

USB drive not mounting on Kubuntu; mounts on Ubuntu 14.04

I'm running Kubuntu 32bit (not sure which version). I want go back to having Ubuntu 14.04 which I have on my USB drive but it isn't mounting it. I have tried this but but it doesn't find anything: ...
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9 views

virt-manager not saving connections

The Virtual Machine Manager (virt-manager) doesn't save the remote connections. I remove the local connection and add my remote connections and close the application and reopen it and the remote ...
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14 views

Kubuntu 15.04 black bar at the bottom of the screen covering panel

I recently installed Kubuntu 15.04, and after a programm I ran in wine changed my resolution, I've had a black bar at the bottom obscuring my activity panel. I can still click on everything and it ...
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9 views

Proxy Server on Kubuntu 15.04 not working. Need help. :[

I recently installed Kubuntu 15.04. I can connect normally through LAN and wifi that requires no proxy. The problem is that the wifi in our college requires proxy with authentication. I have already ...
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20 views

Disk full after copying between external HDDs

I was copying 500 GB files from an external HDD to another external HDD and suddenly the local memory was running out? When the copy was completed I rebooted and I get now a black screen. Logged in ...
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31 views

Recovering unity desktop after installing gnome3

I was using Ubuntu 14.04 . I wished to have multiple desktop environment. so for installing KDE is tried sudo apt-get update sudo apt-get install kubuntu-desktop so this worked and I was having ...
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7 views

Kubuntu 14.04 graphical errors

I've been using Kubuntu for months with no problem. Today, I installed Java Runtime 6 (or something along those lines) for Minecraft, and upon running it, I realized it was running slow. I checked a ...
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20 views

Have to reapply settings via PulseAudio control every time I restart for headphones to work

When I installed Kubuntu 14.04 headphones didn't work. So I installed Pulseaudio Volume Control GUI app for KDE and I have to change where it says Built-in Audio Analogue Stereo to Headphones ...
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19 views

How to fix kcmshell5 error: Could not find module bluedevildevices (bluedevil is installed!)

I do not have the bluetooth icon in system settings or my system tray in Kubuntu 15.04, so I tried launching it manually with bluedevil-monolithic. But the "configure Bluetooth" menu option from the ...
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2answers
25 views

lightdm doesn't show up

whenever I reboot the lightdm display the mouse cursor but it doesn't show the login form. However if I type my password I login into my account. This hapens since I've moved to kubuntu 15.04 (upgrade ...
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39 views

No internet access after system update

So I've just install some various updates that shows up. After system reboot I've lost internet access... Please help me with this :( I'm using kubuntu 14.10 on VirtualBox Network Adapter 1 is ...
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13 views

How to set default behavior for which desktop apps launch on?

I'm running Kubuntu 14.04, and have 4 virtual desktops configured. Right now, when I launch an application, it automatically launches on all desktops. I want to set the default behavior to be when I ...
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1answer
18 views

Kubuntu 14.04 installer does not recognise partitions on hard disk with GPT

For a friend I'm repairing a computer so I have a brand new hard drive lying around. I've found documentation that Linux is capable of booting from a hard drive even if the computer is not UEFI ...
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1answer
46 views

Kubuntu 15.04 recognizing Wacom Intuos5 as Joystick

I've just upgraded my Kubuntu to 15.04 and I'm having problems with my Wacom Intuos5 settings screen. Kubuntu is recognizing it as a joystick, the pressure of the pen sometimes go away, I can't ...
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11 views

How to set kate's vi mode to show absolute line numbers?

I've started using Plasma5 and I have an issue with Kate's Vi mode. When showing the line numbers on the border it always shows relative line numbers instead of absolute ones, while this didn't happen ...
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9 views

How to enable drop shadows in plasma 5

Kubuntu 15.04 Plasma 5.3+ Kwin 5+ I cannot find the setting to enable drop shadows. Or is there no setting for that?
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16 views

How to show files in desktop in KDE 5 like file explorer?

With cinnamon, gnome or in windows, we can put files on desktop as it like in file explorer. How can I do this in kubuntu with KDE5?
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37 views

Laptop has two screens according to settings. How do I fix this?

Okay, I have just installed Kubuntu 15.04 on my Acer Aspire 5742G (with a nvidia GT540m card). I have an issue with the screen of the laptop. When I tried to open some applications (e.g. settings) ...
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19 views

Kubuntu copy paste between desktop and kodi

I installed Kubuntu 14.04.2 kernel 3.19.6. I sometimes need to work out of the desktop mode. There i would like to copy text from the browser. Open Kodi (from the desktop mode, not log out), and ...
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12 views

Autokey (autokey-qt) not listening to key commands but works fine from mouse menu

I'm running kubuntu and have been using autokey successfully for years, but a while back a system update broke it. I originally tried to just wait it out and see if a fix would be pushed. Now, 6 ...
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33 views

Kubuntu 15.04 lock screen delayed after waking up

How to get rid of this? When I close the laptop lid, it suspends. But then, I open it, hit the power button to resume it, and I see my desktop (wow much secure). It is unresponsive, I can't click ...
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31 views

How do I customize date/time formats in Kubuntu 15.04?

In all prior versions of Kubuntu I've ever used (going back five years or so), I can go to System Settings and customize the date/time formats, specifying that I want 24-hour time, short dates, ...
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50 views

Kubuntu 15.04 doesn't suspend when closing lid

I recently installed Kubuntu 15.04 64bit on my laptop, precisely an Asus UX32VD (it has got 2 graphic cards, Nvidia geforce 620m and Intel). Everythings works fine as it was with Kubuntu 14.10, but ...
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12 views

How can I change to one of the many system installed fonts in KDE5 konsole?

I have KDE 5 installed and would like to install a patched font for powerline. I already ran the script to install the fonts into ~/.fonts but when editing the konsole profile, I see a very limited ...
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46 views

Plasma 5.3 segfaults on monitor restart

I have an Intel NUC connected to my TV via HDMI. The NUC runs 24/7, power saving features such as "turn off monitor" are all disabled. The system works great, I am really pleased with it. However... ...
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1answer
15 views

Using a 3rd monitor on a hardware switch with dual display Graphics card

Is there a way to fool kubuntu into thinking that a 3rd monitor on a hardware switch is the same monitor - same screen resolution etc? And therefore be able to switch between a second and third ...
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41 views

Sticky mouse after update to Kubuntu 15.04

After updating to Kubuntu 15.04 I run into a few problems (so far it's the worst Kubuntu experience I had in many years. And for the first time ever I even had to set up my system from scratch after ...
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1answer
64 views

Installing Kubuntu or Gnome3 on ubuntu [duplicate]

I am using Ubuntu 14.04. I like default unity desktop environment, but now I want to try Kubuntu. So please tell me a way to do that. I should have options for choosing which desktop environment to ...
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69 views

Installing Ubuntu 14.4 from USB

I have Ubuntu 12.4 installed on my laptop and Kubuntu 15.4 but now i decided to install Ubuntu 14.4 and erase the previous two. I downloaded Ubuntu 14.4 installation and i made a boot able USB using ...
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21 views

Numeric keys not working in kCalc

I'm using the latest version of Kubuntu with an a4tech KBS-21 keyboard and there is no problem with my desktop and all the software except for kcalc. In kcalc, my numeric keys won't work at all while ...
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1answer
14 views

Kubuntu is doing weird sound even after reboot every 15 seconds or so

I rebooted, then closed every program I could think of and I still hear repeating after around 15 seconds: Here's what it sounds like. (Minus the static, that's just the recording) Is there any way ...
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1answer
45 views

error installing kubuntu 14.04.1 desktop-amd64 on vbox

Trying to create a virtual machine using this downloaded 'kubuntu-14.04.1-desktopamd64.iso' virtual disk image. However when I go to 'Install Kubuntu'. I get the following error: Installer ...
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25 views

Fresh installation Kubuntu 14.04 LTS X86 Hangs at boot(Dell Dimension 8300 Desktop)

Recently I was installed Kubuntu 14.04 LTS X86 version on my Dell Dimension 8300 Desktop Computer. Installation went just fine, but at first boot it seems to hang at grub. At grub, It hangs and I'm ...
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85 views

Graphics corrupt after KDE 5 install

Ubuntu version: 15.04 System: 64-bit Intel Graphics: AMD Radeon HD 7900 Knowledge: moderate Hi, I've been happily using 15.04 for a few months, until a week ago I decided to install KDE Plasma 5 ...
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1answer
22 views

getting rid of kubuntu while keeping ubuntu

I have Ubuntu 15.04 and and I recently put Kubuntu 14.04 on my computer alongside Ubuntu and this morning Kubuntu kept freezing at the login page. When I put in my passcode, and still won't work even ...
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1answer
34 views

What is the thing in KDE that override my locale settings

With Kubuntu 14.04, I have got some trouble with the locales. "Something" in KDE override my settings (I say in KDE because if I use gnome, I got no problems). Here are my settings $ cat ...
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35 views

Invisible text in Inbox by Gmail in Firefox on Kubuntu

I'm using Firefox 38 on Kubuntu 14.04.2. Google's new "Inbox by Gmail" site works correctly with Chrome on this platform, and works correctly with Firefox on a Windows 7 platform. However, on ...
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1answer
44 views

Free space at home partition is not as expected

Almost all of my free space at home is missing and I have no idea where it is. df -h /dev/sda6 1.4G 1.3G 88M 94% /home I tried: sudo tune2fs -m 0 /dev/sda6 Setting reserved blocks ...
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2answers
116 views

Errors encountered when installing kubuntu on 15.04

I ran: sudo add-apt-repository ppa:kubuntu-ppa/backports sudo apt-get update sudo apt-get install kubuntu-desktop and after it gave me this error message: dpkg: error processing archive ...
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1answer
42 views

How to report a bug in Kubuntu?

I need to report a bug against plasma-widgets-workspace that got installed for Kubuntu. The "regular" ubuntu-bug plasma-widgets-workspace complains that: The problem cannot be reported: This is ...
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16 views

How to connect with a Kubuntu shared wifi in Kubuntu?

After a long time using Kubuntu efficiently and happily i come to you with a little frustration. The setup is the following: Internet- LAN (laptop 1) tethered wifi connection by laptop 1 (Kubuntu) ...
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25 views

Numpad for shortcuts

I try to assign shortcuts which includes numpad number keys e.g. Ctrl.+alt+5. But the numberkeys of numpad won't work only the numberkeys over the qwert keyd I found out that this seem to be an ...
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1answer
30 views

Save session settings in KDE environment without shutting down

When Kubuntu is shut down, the session settings are saved: Programs which were opened, plasma settings, etc. When restarted these settings are restored. e.g. the programs which were open, are opened ...
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10 views

Export and Import settings of Plasma5

Is there a way of exporting and importing Plasma5 settings like settings for the taskbar, dophlin, shortcuts and so on and import them for a new user or on a new installation?
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0answers
81 views

How to install kubuntu on Lenovo thinkpad e555

I have been trying to install Kubuntu 15.04 on Lenovo ThinkPad E555. I have created /, /home and /boot partition but as soon as I install it, it doesn't show up on boot screen (it only shows Windows ...
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142 views

Kubuntu 15.04 Plasma 5.3 showing KDE apps with GTK themes

After upgrading to KDE 5.3 using Kubuntu Backports PPA, my system looks ugly with GTK themes overriding the default KDE Breeze themes, despite having all workspace and widget themes set to Breeze in ...