The official Ubuntu derivative using the KDE Plasma Desktop

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42 views

How to display KDE lock screen time in 24-hour format

Running Kubuntu with the Plasma desktop, 16.04. I have my desktop configured to 24-hour time, which is what I vastly prefer. But when the lock screen comes on, it shows me the detested AM/PM ...
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340 views

Slow startup of Plasma 5.5 in Kubuntu 16.04

My recent Notebook (Intel i3-6100 with SSD) boots from BIOS to the login of SDDM within 8s. After entering my credentials it takes 31s (no matter if I have autostart of Firefox and Thunderbird). While ...
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0answers
35 views

My system running Kubuntu 14.04 does not list any discoverable bluetooth devices

Bluetooth icon is in the panel but does not recognize any 'discoverable' bluetooth device. 'Add a device' opens the dialog box and searches for device indefinitely. Trying to connect a wireless ...
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0answers
34 views

How can I force Plasma 5 to treat two monitors as one in Kubuntu 16.04?

Goal I want to use KDE across two monitors, but I only want the window manager to see them as one single virtual monitor. I would like to achieve this goal either using KDE settings, nvidia-settings,...
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0answers
52 views

KUbuntu 16.04 Networks not displaying and WIFI networks

I've been searching for a resolution for the past week after applying updates (No idea what update broke this). Anyway WIFI is working just fine but because there is no connected WIFI network in the ...
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1answer
51 views

Ubuntu language in Kubuntu 16.04

I've made an upgrade from Kubuntu 14.04 to 16.04 it worked ok. But later I got a message that said something like "Language support is not complete do you want to install now?" If I accept, the ...
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509 views

Kubuntu 16.04 Discover search bug - Answer! [closed]

Because of requiring reputation, I post the answer of this question. To be able to see search results in Discover, open Konsole and type "sudo apt-get install muon". When finish installing, search ...
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0answers
114 views

Changing KDE's oxygen-gtk3 colors for tooltips (fixing Firefox 46)

I use KDE (Kubuntu 14.04), the Oxygen theme and Firefox, and FF46 has several bugs with GTK3, the most annoying being displaying tooltips as dark text over a barely darker background. So I'am ...
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2answers
111 views

How to customize the date format on the desktop (16.04)?

Short statement of the problem: short-format date shows as 6/5/16 on my desktop under the clock. I want it to say 2016-06-05. (Or maybe something else.) I'd like to find the place I tell it "Use %...
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1answer
92 views

How can I run the 16.04 installer without using `nouveau`?

I have tried installing numerous Linux distros with no luck. In every case, it appears to be due to a failure by nouveau driver to identify my graphics card, which is an Nvidia GeForce GTX970M. My ...
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1answer
18 views

How can I find out the md5sum of boot-repair-disk.ISO?

I have downloaded boot-repair-disk.ISO, but it is recommended to check the md5sum. Previous downloads have not worked possibly because the download was corrupted. At present running Kubuntu 16.04 on ...
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3answers
144 views

I need to change the root user's password to install programs [duplicate]

Okay, It really looks like I am going to keep running into problems with Kubuntu. When I installed Kubuntu yesterday, the setup did NOT ask me to setup a root password. It only asked me to create my ...
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57 views

Kubuntu 16.04 pixelated icons in task manager

In my install of kubuntu 16.04 running plasma 5.6.4 via the backparts ppa, the icons rendered on the task manager are extremely low quality for some applications. It seems for pre-installed kde ...
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1answer
26 views

KDE Plasma doesn't recognize keyboard shortcuts, until I switch away from and back to KWin

I just made a jump from Maté to KDE Plasma. (Kubuntu v. 14.04.4) (I love everything else about it.) I'm hardly a linux beginner, but I don't usually mess with X and some help is appreciated. When I ...
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61 views

Kubuntu 16.04. black screen

I'm using KUBUNTU 16.04. After installing light display manager, when booting it goes to a black screen. Thanks.
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1answer
269 views

Can't drag files from Dolphin to Chrome

Up until a couple of weeks ago, when I would try to drag and drop files from Dolphin (the default File Manager in Kubuntu) to Chrome (e.g., to add to an email or upload a video to youtube), there were ...
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0answers
53 views

Wacom Intous Art Support on Ubuntu 15.10 wily

Kernel: x86_64 Linux 4.2.0-36-generic OS: Ubuntu 15.10 wily DE: KDE5 So I have followed several articles online from several google searches such as: https://forums.linuxmint.com/viewtopic.php?f=...
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13 views

error 1905 when I boot my new installation

I have just finished installing Kubuntu 16.04 32-bit. On restart I get: intel_parse_bios (1915) error child device config size 22 too small I'm new to kubuntu, what do I do about this?
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30 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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76 views

Flash installation issue Kubuntu 16.04

Every time I startup or reboot my PC I get the following notification that flash needs to be installed : When I say "Ok" it starts the installation procedure but it stops and gives me the following ...
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1answer
23 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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24 views

Can't load wireless module at startup kubuntu 16.04 64 bit

Good morning/afternoon/night to everyone, here's my problem. I have a laptop where I installed previously kubuntu 14.04, everything worked ok except my wireless card (rtl8723be) which had very weak ...
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3answers
253 views

Lenovo G50-80 suspend freeze on Kubuntu 16.04

I have recently installed Kubuntu 16.04 LTS alongside Windows 10 Pro on one HDD. System selection works. But when I use suspend in Kubuntu computer freezes entirely. Screen turn off, but all LEDs are ...
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1answer
45 views

Can't mount CD/DVD on Kubuntu 16.04

I'm having a strange problem on brand new machine with freshly installed Kubuntu 16.04. It won't recognize any CD/DVD I insert other than audio CD. The optical drive was not new but from older machine ...
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1answer
44 views

Newest Mplab software that works with Ubuntu and ICD2

I have an old ICD2, used with an old version of MPLAB Integrated Development Environment (IDE) under Windows. Now I need to use this hardware again for a microcontroller but my OS is nowadays Kubuntu ...
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1answer
4k views

Installing Samsung Xpress M2825DW drivers on Kubuntu 12.04

I'm having trouble with installing printer drivers. I tried to find them in the data base and could not find them. So I downloaded the linux drivers from samsung.com (http://www.samsung.com/de/support/...
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30 views

kscreenlockd sometimes does not let me in in Kubuntu 16.04 xenial

I have made a clean install of 16.04 Kubuntu and thus using version 5.5.5-0ubuntu1 of libkscreenlocker5. When I go away my screen automatically locks and the screen becomes black. I then press the "...
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2answers
2k views

Plasma 5.6 on Kubuntu 16.04

Is there any way of running Plasma 5.6 on Kubuntu 16.04 without compiling it yourself? The Kubuntu Backports PPA isn't there yet (almost two bloody months after the release of Plasma 5.6) and Ridell'...
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1answer
33 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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17 views

What is jetdirect 9101-9103 ports usage and is it needed

I have a newly Kubuntu 16.04 installation. I have done a port scan: sudo nmap -sT -O localhost And got those results: Starting Nmap 7.01 ( https://nmap.org ) at 2016-05-29 09:39 IDT Nmap scan ...
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2answers
4k views

log error: “[drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)!”

I get this error after installing Kubuntu 15.10 when restart Kubuntu: [ 74.873008] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! I use kernel 4.2.0-16 and KDE 5.4....
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91 views

Touchpad disabled upon startup and login on Kubuntu 14.04

Been looking for a few months on how to fix this and haven't had any success. I have also noticed that along with being disabled upon login, and after startup, the touchpad will also be disabled ...
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1answer
81 views

Installing Ubuntu on Acer Cloudbook 11

First question, all: Based on this thread, I tried installing Kubuntu on an Acer Cloudbook 11: Ubuntu installation on Acer Aspire Cloudbook 11 However, the granularity of the instructions is quite ...
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1answer
96 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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10 views

Kubuntu 15.10 - keyboard works … sometimes

My (usb) keyboard works perfectly on Windows. On Kubuntu 15.10, though, it is notoriously unreliable. It works ... mostly, sometimes it doesn't. But when it does, I must not touch capslock or the ...
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1answer
2k views

How to change Login screen to Kde

I installed kubuntu-desktop in Ubuntu 14.04. In the installation, it didn't ask me to choose default login screen. Now my login screen is still Ubuntu login. How can I change it to Kde login screen ...
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1answer
61 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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86 views

Kubuntu 16.04 Multiple 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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3answers
190 views

Live CD works great, but installed drops to INITRAMFS, kubuntu 16.04 LTS, XFCE

good afternoon, i recently swapped from Mint to Kubuntu with XFCE. the Live CD (actually a thumb drive) worked fine, so i went forward with the installation. on boot, i get dropped to initramfs, ...
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88 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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1answer
38 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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0answers
33 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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0answers
19 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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0answers
37 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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0answers
36 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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0answers
91 views

Power management, caffeine and crash problems-Kubuntu 16.04 [closed]

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 ...
0
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1answer
218 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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0answers
88 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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0answers
41 views

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

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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2answers
11k views

How to fix or re-install the broken packages resulting from updates installation?

I recently installed Kubuntu 14.04 and I installed available updates. Then, I got a black screen with mouse pointer visible. I lost my desktop. However I got to terminal with Ctrl+Alt+F1. Then I ran ...