The official Ubuntu derivative using the KDE Plasma Desktop

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Kubuntu 16.04 Mulriple monitor issue (Kubuntu logo displayed instead)

Originally, I had two Radeon HD 7950s each connected to two monitors and working together to make four monitors as one desktop just fine. After the computer lost power these was an issue with the ...
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19 views

Kubuntu 16.04 installation DVD will not boot

I built a computer recently and want to install Kubuntu 16.04 onto it. I have downloaded the 64-bit ISO, checked the MD5 sum, and burned it as an ISO image. The computer recognizes the DVD and loads ...
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22 views

Black screen after login Kubuntu 16.04 on QHD monitor

I have a new PC with ASRock N3150DC-ITX mobo and a HiRes AOC Q2577PMQ QHD monitor. The monitor is connected via DisplayPort. I have installed Kubuntu 16.04 LTS from scratch, but I get a black screen ...
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9 views

Lost transparency of the Default panel and a few questions about KDE

sorry for possible language mistakes -- English is not my native language. I've got two questions: After I installed updates in my kubuntu 14.04 suddenly the Default panel lost its transparency. Why ...
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1answer
18 views

radeon r9 270 boots only in safe mode

I have Kubuntu 16.04, so radeon driver only, my old graphics card is working fine, but my new r9 270 doesn't boot. The monitor turns on, then turns off, then turns on but there is only black screen. ...
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1answer
13 views

Ubuntu 14.04 is not booting into KDE

I have Ubuntu 14.04 - Yesterday, I ran the command sudo apt-get install kubuntu-full and it successfully gave me the KDE themes (in the Gnome Tweak Tool), but when I shut down, it still said ...
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21 views

ksshaskpass asks for passphrase before kwallet

I have the kubuntu desktop 16.04. I use kwallet and ksshaskpass to unlock my ssh keys automatically on startup. kwallet is password protected too. My problem is that at system startup ksshaskpass ...
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1answer
34 views

what follows ubuntu 16.04 LTS ubuntu ttyl [on hold]

I am using Zorin 10. Yesterday I have downloaded Ubuntu server 16.04. Today I have installed it perfectly but when I've restarted it it won't start but instead keeps on asking the Ubuntu login and ...
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17 views

How to “unplug” a bluetooth mouse

OK, I've set my system to deactivate the touchpad when a mouse is plugged in... and that works perfectly when I turn my bluetooth mouse on. But, I can see no way to re-activate the touchpad other ...
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6 views

Kubuntu Cursor Select problem

I have discovered a strange bug with the mouse cursor. The select point on the 'text select' cursor is inaccurate on Kubuntu 16.04. For example if I try to click on text, it will select the text above ...
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24 views

Update failures from Ubuntu and Kubuntu 14.04 (with updates) to 16 and cannot get 16 to install can someone help?

1I am encountering update failures from Ubuntu and Kubuntu 14.04 (with updates) to 16.04. I cannot get version 16.04 to install. Can someone help? I have tried both Ubuntu and Kubuntu 14.04 and I get ...
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22 views

Power management, caffeine and crash problems-Kubuntu 16.04

I have installed kubuntu 16.04 about 2 weeks ago and I ran into tons of problems since then. I have suceeded in resolving couple of them but the ones listed in here are too much for me to handle. I am ...
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22 views

I am not able to uninstall Kubuntu desktop from Ubuntu 15.10

I tried some answers from here >> How to completely remove kubuntu-desktop from Ubuntu but they didn't work for me. Every method I used it shows yes xyz packages are removed but when logout I find ...
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1answer
88 views

Problems with Xubuntu 16.04 and Intel/Nvidia graphic card

I have a notebook Santech t67 with the following features : CPU intel core i7-6700HQ, 16 Gb RAM, Nvidia GeForce GTX 970M + intel integrated card. I installed Xubuntu 16.04 in dual boot with Windows 10 ...
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6 views

Kubuntu 14.04: Font rendering on KDE Issues (Rendering Ubuntu fonts as Debian default)

Kubuntu 14.04 is working fine on my computer but I have recently installed it from my USB Device using other boot managers from which allowed me to boot to USB. Now after I got to Xscreensaver the ...
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23 views

GitKraken and Kubuntu - installs but doesn't run

I just tried to install GitKraken, but it doesn't run on Kubuntu 16.04. Any idea on why? Has anyone else experienced the same issue?
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13 views

Qtbase5 installation modified graphics significantly

I was trying to apply a patch, which has been a problem because information on this subject is very limited. I use Kubuntu 16.04 LTS, by the way. For some reason I thought that the package to be ...
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31 views

What is the best way to upgrade to Windows 10 on dual-boot machine?

I have a dual-boot desktop Windows 7 and Kubuntu 14.04. The computer was supplied with Windows 7 installed and UEFI disabled for me to install Linux, which I eventually succeeded in doing. Later I ...
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1answer
22 views

Reinstalling critical files in Recovery Mode

I might have accidentaly purged some critical files, causing my Kubuntu 14.04 to not boot past the startup logo. By entering the recovery mode from a LiveUSB, and running sudo apt-get install -f, I ...
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44 views

How to edit a driver file/ install a new one?

I have some problems with AirLive WL1600USB(rtl8187) on Kubuntu 16.04. It doesn't work. lsusb shows my card: Bus 002 Device 002: ID 1b75:8189 Ovislink Corp. lsmod shows everything, except for ...
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15 views

Install Windows 10 on External HDD [closed]

I have a Windows 10 .iso and I want to install the OS on an external HDD. How can I do this? I'm running Kubuntu 16.04 if it helps.
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1answer
28 views

How to apply a patch?

Question: What is the general method to apply a patch in Ubuntu? The issue: In Kubuntu 16.04, I am experiencing certain issues, as common linux users I am used to be patient, wait or look for ...
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30 views

Kubuntu 16.04 - Wireless card is crashing and cannot be restored

Hardware: Dell XPS 13 9350 Wireless Card: Intel 7265 11ac Wireless Card with Bluetooth 4.0 Symptoms: At seemingly random times, the network will drop and the wireless interface seems to disappear. I ...
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1answer
29 views

Make doesn't work

I use a network card called the rtl8723be. In Ubuntu, that card randomly halts every ten to twenty minutes and my network manager doesn't detect it. There is a solution. A guy named lwfinger put some ...
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30 views

Kubuntu 16.04 <-> 15.10 Inconsistent and slow wirless network transfer speeds

I have a file server running Kubuntu 15.10 and a client running 16.04. In truth, this issue existed prior to the 16.04 upgrade. When moving files, say a 500MB folder of MP3s, the transfer rate gets ...
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2answers
31 views

Desktop settings for monitors not maintaining on reboot

When rebooting: Folder View Icons switched monitors (previously icons on 1 now on 2, etc) and my wallpaper for 1 moves to 2 leaving 1 with a black wallpaper. I have tried clearing .cache .kde .local ...
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21 views

Kubuntu Breeze-Dark not working as expected

I'm using Kubuntu 16.04. When I tried switching to breeze-dark I applied the following steps: Go to system settings --> workspace theme. Change to breeze dark. Go to color, double check that breeze ...
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23 views

How to add Unity option to Kubuntu login screen?

I have installed Kubuntu on a machine, and decided to install a few desktops so I can change depending on my mood. However, when I ran sudo apt-get install unity, it installed fine, but when it ...
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23 views

KDE and Google Chrome wrong notification position on multiple monitor

With my Kubuntu 14.04.4 and google-chrome-stable, with a two monitor setting (the left one is the primary one and I cannot change this!), KDE notifications are correctly displayed on the first ...
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24 views

Kubuntu Nvidia driver problems

I'm trying to dual-boot Windows 10 and Kubuntu and I'm having some problems when I install the Nvidia drivers and reboot. After I reboot the Kubuntu ui appears to be WAY too small and is unreadable. ...
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1answer
125 views

Constantly crash Kubuntu 16.04

I have a fresh installation of Kubuntu 16.04, everything crashes : Konsole, firefox, plasma, few times borders of the windows disappear and there is no way how to control it anymore. I have to ssh ...
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25 views

Terrible performance

The pc is very slow when I turn it on, but when I restart it then it works normally without bad performance. I tried many distributions and all have this problem. I have a Toshiba C855D-S5307 with ...
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54 views

WiFi problem with Atheros device

I have installed Kubuntu 16.04 on my new notebook, but after install the wifi was not working. So I used lspci command and it returned: 01:00.0 Network controller: Qualcomm Atheros Device 0042 (rev ...
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55 views

kubuntu xenial (kubuntu 16.04) does not seem to remember all settings after restart

Typically, I have various terminals open as I prefer working on the command line. However, upon log off/ shut down and log in again, all terminals in Kubuntu Xenial Xerus have vanished. Earlier ...
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198 views

Installing KDE on Ubuntu 16.04

I'm on Ubuntu 16.04 and I want to use plasma desktop sometimes. Trying to run apt install kubuntu-desktop generates this output: Some packages could not be installed. This may mean that you have ...
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1answer
46 views

Plasma 5.5.5 NetworkManagement Widget won't load the QML file

Hello I am using Kubuntu 16.04 using Plasma 5.5.5 and Qt version 5.5.1. I was running kernel 5.5.3 and upon upgrade to 5.5.4 the plasma widget for network management seemed to break. So I downgraded ...
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33 views

i3-wm doesn't start after kubuntu 16.04 upgrade

I just upgraded my Dell XPS13 laptop to Kubuntu 16.04. I can't seem to login to either i3-wm or awesome-wm. After I bootup the computer, the sddm login screen appears. After I select i3 (or ...
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1answer
19 views

How to change user icon/avatar in app-launcher? (Kubuntu)

Picture showing default user icon in application launcher TL;DR how do I change the "Standard" user avatar seen at the top of the application launcher as seen in the picture? (Application ...
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1answer
43 views

Kubuntu 16.04 command prompt (Alt+F2) and start menu opening only for 1 second

I got an issue with my new installation of Kubuntu 16.04. I installed it a few days ago and got everything running, but now I have a strange issue. Every time I open the start menu or command prompt ...
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19 views

Can I install the all the software included with Ubuntu Studio on Kubuntu without losing the KDE environment?

I am planning on installing Ubuntu on my new laptop, but I prefer the KDE Plasma 5 DE and I am likely going to use a lot of creation software like that which is included in Ubuntu Studio. I don't know ...
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2answers
97 views

Setup MTS MBLAZE in Kubuntu 16.04

I have kubuntu 16.04 and i am trying to setup my MTS Mblaze mobile broadband. There is no notification of any kind when i insert the usb device. But lsusb is detecting the device Bus 001 Device 004: ...
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1answer
82 views
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PCI bus error on startup while booting into login screen (Kubuntu 16.04)

I am using Kubuntu 16.04 on this PC (http://www.hpshopping.in/HP_Pavilion_Notebook_-_15-ab549tx). The problem that I am facing is: On startup this shows up before the login screen: At times it is ...
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1answer
181 views
+50

Wifi not working on Realtek rtl8723be wifi adapter

I am using kubuntu 16.04 on this PC . The problem that I am facing is: Wifi issue: It doesn't discover wifi at times and keeps getting disconnected randomly. Also, when I am connected to a WiFi ...
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0answers
56 views

(K)Ubuntu server DNS address could not be found. DNS_PROBE_FINISHED_NXDOMAIN

I have dual boot Kubuntu 16.04 with Windows 10 on my laptop. Recently after playing with bug that causes time differences between these two systems I ran into a problem - I can no longer visit ...
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2answers
31 views

mount img with dolphin

I'm running 16.04 and I am trying to mount a img file, but I have no option to do so. How can I add the ability to mount? Preferably something gui based and just either a context menu option, or ...
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1answer
23 views

How do I install gcc from Kubuntu USB [duplicate]

My laptop has a slightly obscure wifi card and I can't install a driver from the driver management or the USB, and I don't have ethernet. Instead, I found a driver online and it worked on a Live USB ...
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77 views

Kubuntu 16.04 freezing upon login

I have just recently updated the permissions (allowing Plex media server complete access) to my Videos, Music, and Pictures folder in my home directory. Before that, I had (attempted to) updated the ...
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2answers
198 views

Kubuntu 16.04 and NVidia drivers

This question was already asked a few times already. The threads where it was asked were closed due to low quality answers. I can confirm that none of the answers worked for me - I upgraded the ...
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14 views

Kubuntu 15.04 problems with graphical interface

I have a serious problem with my Kubuntu 15.04 version in my laptop. I am going to explain the weird behavior. When I do log out and log in again or the screen is locked and gets me to the login ...
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2answers
91 views

How to install additional languages in Kubuntu 16.04 LTS?

I need my system to be able to display the characters of Chinese, Japanese, and Right-To-Left languages like Arabic. At the moment, it is not able to display the characters of those languages (e.g. ...