The official Ubuntu derivative using the KDE Plasma Desktop

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My 16.04 laptop just logged me in as root without a login screen

After boot, my laptop on up-to-date kubuntu instantly went to the desktop loading screen without asking for any passwords. Turns out it had logged me in as root automatically. I have not set a ...
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1answer
22 views

Lag in Kubuntu - Config fstab correctly?

I use Kubuntu and have a partition with NTFS format which contain old data from previous version Ubuntu. I configured fstab to mount it: /dev/sda6 /home/stun ntfs permissions,uid=1000 0 ...
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86 views

Diagonal Tearing (Kubuntu 16.04)

The question has been asked before here, but with no response: Diagonal Screen Tearing Ubuntu 14.04 64-bit Intel Skylake Integrated Graphics (I'm asking again because I can't comment on it.) The ...
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54 views

Where is Wacom Settings on Kubuntu 16.04?

Two years ago I tried to upgrade from Kubuntu 14.04 to 15. But my Wacom tablet (an Intuos 5 Pro touch) couldn't be calibrated, neither map buttons, neither turn on/off touch, neither map to screen. I ...
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1answer
77 views

How to hide grub unless key is pressed?

I have 2 OSs Windows 8 and Kubuntu 16.04. Kubuntu is my primary OS. I would like my laptop to boot directly into Kubuntu, unless I press SHIFT key during boot to make Grub menu visible. Again. I want ...
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28 views

How to downgrade plasma 5.6.4 to 5.5

I installed via the backports ppa but experiencing pretty much bugs. Is there any way to downgrade?
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18 views

Thinkpad 440p Trackpad: several problems

I recently installed Kubuntu for the first time on my Thinkpad 440 and there are three issues I'm having with the trackpad: 1) Size of the middle click zone On Windows, there was a fairly large ...
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1answer
110 views

Skype audio not working in 16.04

OS: Kubuntu 16.04 Desktop Environment:KDE 5.6.4 Issue: Skype microphone not working Skype settings screenshot: PulseAudio Screen screenshot: Packages installed: abhishek $ dpkg -l |grep ...
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17 views

Kubuntu mirrors second monitor connected through VGA

I have dell optiplex 3020 small factor desktop. Installed Kubuntu 16.04LTS recently. When I connected the second monitor to the VGA port, second monitor is by default mirrored. Could not find any ...
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1answer
43 views

Execute script on every start, wakeup and activation!

I want to execute a script on every start up, wake up and activation. In the current setup the script is executed in: /etc/rc.local /lib/systemd/system-sleep It works so far, but if I reactivate my ...
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1answer
216 views

Run scripts based on time of day

I'd like to run a script based on the time of day, specifically so I can make my computer (Kubuntu 16.04) switch themes at night and day automatically based on the time. How would I go about doing ...
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1answer
84 views

Trying to run steam on kubuntu 16.04 but it crashes immediately after launch [duplicate]

I'm having an issue with steam whenever I launch the program it tries to load but abruptly crashes a few seconds after I launch it. I just ran it via the terminal and this is what I got Running ...
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31 views

Unable to install Kubuntu 16.04 because one of the existing partitions is mounted at /cdrom

I've been trying to install Kubuntu 16.04 for a couple of days now, but couldn't make any progress. I've done my research and none of the workarounds proved effective. I am able to create a bootable ...
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1answer
68 views

Failed to build Pillow

I'm using Kubuntu 16.04. I'm trying to install the TFLearn library, but it requires Pillow, which it tried to install but was failing. Installing Pillow on its own also doesn't work. daniel@beepboop:~...
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39 views

system sucessfuly login even with wrong password

Someone help, I have Kubuntu 16.04 installed on my system with KDE 5.6 which i upgraded from KDE 5.4 from Kubuntu backports ppa. Now the system logins sucessfully even with a wrong password. Also sudo ...
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1answer
43 views

kdevelop not finding qt libs

Currently I am trying to create a brand new project using KDevelop 4.7.3. I am also targeting Qt5. When I attempt to create a new project using the template for a Qt Gui project it creates a Qt4 ...
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1answer
87 views

How to change wallpaper in Kubuntu 16.04?

Can someone tell me how to change the wallpaper or background in Kubuntu 16.04?
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36 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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53 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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2answers
106 views

Problem with DNS in the latest Kubuntu 16.04 update

Today I install Kubuntu 16.04, again, because I'm having trouble to navigate. I have tried all kinds of browser, and with all I have the same problem. Sometime when I open a page, I received these ...
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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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122 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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79 views

Install kde on ubuntu 14.04

My company gave me a laptop setup with ubuntu 14.04. I would like to install KDE however there seems to be an issue: root@ufc3fdb86dd16574fead4:/home/local/ANT/bogoyche# aptitude install kubuntu-...
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1answer
94 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
43 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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114 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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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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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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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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62 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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55 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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28 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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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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25 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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1answer
46 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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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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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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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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88 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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1answer
99 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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90 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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25 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
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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34 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 "lubuntu"....
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34 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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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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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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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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92 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 ...