The official Ubuntu derivative using the KDE Plasma Desktop

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Kubuntu 15.10 cube animation not show in all effect window behavior

The cube animation was running good in kubuntu 10.04, I just upgrade my laptop (Thinkpad T60p with ATI graphic card) from 14.04 to 15.10 in System Settings -> Workspace Behavior -> Virtual Desktops I ...
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39 views

Installation: Weird Problem

I've encountered this weird problem: I wanna Install ubuntu(Kubuntu or Lubuntu; both I tried) on my PC, which I haven't used in a while, from a USB flash drive. I've made Lubuntu both in ISO and DD ...
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225 views

MTP: Windows Phone 10 not accessable in Dolphin

When I connect my Windows Phone 10 device into the computer, it is listed in locations in dolphin. If I select the device the message The file or folder udi=/org/kde/solid/udev/sys/devices/pci0000:00/...
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50 views

Automatic Login even though it is disabled in Settings. How to turn off?

Kubuntu 15.10. I used to be asked for my password at every startup or reboot. Suddenly I am always being automatically logged in, even though I never checked "Automatic Login" in Settings. In ...
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64 views

package dependency tree with no internet

I installed Kubuntu 15.10 and it doesn't support any internet access method (wifi, ethernet, hotspot). I downloaded the network packages from Ubuntu archives with all their dependencies manually but ...
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8 views

removing digikam sidebars

Until today, I have always been able to toggle/shrink the sidebars from the digikam display. No longer. Now, there appears to be a minimum size beyond which I cannot shrink them. In fact, the ...
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25 views

Sometimes graphic issues (flickering) after resume from suspend (ThinPad X250, Kubuntu 15.10 Wily)

I have a ThinkPad X250 running Kubuntu 15.10. Sometimes, after resume from suspend the monitor starts flickering from time to time. After restarting the machine everything works fine again. Is there ...
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32 views

Can't install anything Kubuntu

So I've been using Kubuntu for a few years now, and it has been running so smoothly I have fallen out of practice with figuring stuff out. I've done some searching on the error I am getting, and ...
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27 views

Trackpad not being detected after re-opening laptop (Kubuntu 15.10)

I recently installed Kubuntu 15.10 on my Dell XPS 15Z laptop. My touchpad works just fine when I first start the laptop, however when I put the lid down and put it back up later, the trackpad does ...
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65 views

Shift + numeric keypad prints number (with NumLock off)

Since Lenovo have decided to place the Home and End keys in unreachable locations on my Thinkpad, I use the numeric keypad for these. With NumLock off, 1 = End and 7 = Home. One typical use for this ...
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59 views

Unable to launch RStudio from launcher in Kubuntu 15.10

Hi I have a problem with launching RStudio (latest stable release 0.99-xxx) from the Kubuntu launcher, by clicking on the entry. Background: I moved from Kubuntu14.04lts to 15.10 for the plasma5 ...
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23 views

System unbootable after editing rc.local

I did the following cause i wanted to activate rc.local in my Kubuntu 15.10 System sudo systemctl edit --full rc-local i added, cause i read it in a guide: [Install] WantedBy=multi-user.target ...
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101 views

How to select frequency band with dualband wifi adapter?

I just had my 8812au dual band wifi adapter (TP-Link AC1200) working under by Kubuntu 14.04.03. I can see it's listening to both 2.4GHz and 5GHz frequency bands: [Uqbar@Feynman ~] iwlist wlan0 freq ...
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46 views

Screen locking and energy saving does not work when using ethernet connection

I have Kubuntu 15.10 installed on three computers, and on all three computers, I have "Screen Energy Saving" and automatic screen locking enabled in the system settings. On desktop 1, both screen ...
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101 views

Grub repair for encrypted disk

I previously had Kubutu (14.04 i think) installed with an cryptoLuks encrypted hard disk. I have been trying to install 15.04 on the same drive. The install went ok with no errors but I wasn't able to ...
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58 views

Kubuntu 14.04 not loading lightdm after update

After updating my Kubuntu 14.04 setup yesterday, the computer now stops booting before the login manager pops up. Pressing the Esc key reveals that the lightdm manager is failing to load for some ...
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23 views

How can I change key bindings in GwenView permanently?

For reasons that are beyond me, authors of GwenView thought some of most useful functions should be accessible through control+key, even if the key alone is never used in that app. I'd like to bind '='...
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23 views

bluetooth comes on automaticaly after resume

I've updated kubuntu to the latest version a few days ago (on my dell xps13 2015). I notice that bluetooth comes on automatically after each power suspend. I want it to stay disabled. I keep ...
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19 views

Why is there an additional desktop screen on logout?

Using Kubuntu 15.10, upon logout when Kubuntu-Desktop disappears there remains all the contents icons from the Desktop Folder (widget?) on an blank Unity magenta-colored background. Then it finishes ...
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123 views

screen artifacts in kubuntu 15.10

Experiencing following issues: screen artifacts/flickers when minimizing/maximizing. restarting plasma doesn't fix the issue. gui sometimes freezes and computer must be rebooted. I have been ...
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104 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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28 views

Switch default file manager system wide on kubuntu

I have installed the 14.04 version of ubuntu-server, and installed the kubuntu-desktop package overtop of it, for the purposes of using a remote desktop client. I would like to change the default file ...
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6 views

Desktop Effect Won't Uninstall in Kubuntu

I wanted to see what new effects were available for Kubuntu. I found one called "cool effect" and tried it out. Now that I've decided I don't want it I click "Get New Effects" at the top right and ...
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27 views

Krunner in Kubuntu 15.10 displaying obsolete option

My problem is more of an annoyance but I still would like an answer for it. I am running Kubuntu 15.10 and have LibreOffice 5.x installed from the LibreOffice ppa and have uninstalled the default ...
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42 views

Kubuntu messed up my computer

Im running lubuntu and I decided to try kde so I typed in sudo apt-get install kubuntu-desktop But after rebooting it messed up my computer I was able to fix xorg so I could boot into graphics and ...
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55 views

Digital clock widget on Kubuntu 15.10 partially off-screen

I'm using Kubuntu 15.10, on Plasma 5.4.3, KDE 5.15.0, and Qt 5.5.1. I have the digital clock widget, set to display date and time, on the upper-right corner of my screen (on a panel that borders the ...
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21 views

Kubuntu 15.10 download keeps getting stuck at 1.27 GB?

Is anyone else experiencing this problem. My download keeps getting stuck at 1.27GB/1.30GB. Have tried downloading like 4 times already from the official mirror.
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33 views

Wifi driver crused Kubuntu on MacBook pro

I have installed Kubuntu 14.04 as secondary system to OS X on MacBook Pro (Retina, 13-inch, Early 2015). I was using refit software and live usb with Kubuntu, created on different computer with ...
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82 views

[Kubuntu 15.10][KDE 5.15.0] How to handle the removable media?

In previous Kubuntu/KDE version there was a way to intelligently handle removable media. I could configure which media automount and when based upon it label. Now I cannot see how to do it with the ...
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58 views

Unable to set proxy for Google chrome in Kubuntu 14.04.03?

I have tried to set the proxy in /usr/share/applications/google-chrome.desktop with appending --proxy-server="IP proxy Server:port". but this is not working. Anyone with a solution for this. thanks ...
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40 views

Why did Kubuntu Break Ubuntu's desktop theme on uninstall?

For some reason. After I uninstalled kubuntu. The file icon and wifi drop down menu of my default ubuntu theme is completely wrong. The colour of the backgrounds for it are wrong too. I don't know ...
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93 views

Ubuntu UEFI installed next to win10 goes black screen after grub- caused by motherboard change

As in question topic, I have problem that my kubuntu 15.10 goes black screen after grub. Firstly It is just black screen, but after some time monitors turn off, And everything I can do is to press ...
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25 views

Kubuntu desktop effects suddenly extremely slow, how to diagnose?

When I logged on my Kubuntu desktop today, suddenly all desktop effects were cripplingly slow. From clicking the gear menu to it fading in took easily a minute. I can hear the graphics card working ...
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138 views

I can't get access to my iPhone 4s on Kubuntu 15.10

Running the command lsusb shows Bus 001 Device 012: ID 05ac:12a0 Apple, Inc. iPhone 4S , I can use it as a 3g hotspot through usb,and of course it can charge it. I have tried reinstalling ...
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24 views

Black Popups, menu dropdowns and windows after several hours usage

I'm using an Thinkpad 420s (Intel ONLY, this laptop does not have the nVidia Optimus stuff) I'm running with all the updates installed that apt-get installs. Currently running Ubuntu 15.10 with the ...
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139 views

Is the Lenovo Yoga both Tablet and Desktop mode capable?

I've had a 2-in-one laptop which folds into a "tablet" (think a microsoft surface- a tablet that you can place on top of a keyboard/trackpad laptop bottom, but with a keyboard that folds back instead ...
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55 views

Bluetooth Headphones connect but there is no playback

I'm trying to connect a set of bluetooth headphones on my laptop running Lubuntu & Kubuntu. The connection part works fine, the headphones are recognized by both flavors and the pairing is ...
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14 views

how to setup a temporary display

The setup I try to achieve: 3x 1080p permanent displays 1x 1080p temporary display (TV) Ordered like this: [TV][Perm1][Perm2][Perm3] I sometimes want to attach my TV to my PC to watch stuff like ...
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42 views

Firefox shows microphone active indicator

I'm running Kubuntu 15 and recently switched from Chrome to Firefox, I noticed some differences, one of them was this weird microphone indicator that shows up on my left-most screen. It seems to be a ...
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146 views

KDE Plasma 5.4.2 task switcher displays some icons pixelated

The problem I installed Kubuntu 15.10 with KDE Plasma 5.4.2 on my Dell. However, when I use the task switcher (Alt + Tab), which is configured to list large image models of the running applications, ...
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29 views

Slow downloads on Kubuntu 15.04

I've installed this OS recently and I'm getting download speeds like 50Kb/s or even slower, no matter where in terminal, steam, Muon software center. Is there any fix for that?
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8 views

Replace between 2 keys in keymap

My keyboard Shift keys do not work and i need to replace one other key by Shift, Same Menu or R Win. How can i replace Menu to Shift? I want bind and reference Menu to Shift. Notes: Before i ...
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164 views

Skype unmet dependencies & conflict in kubuntu 14.04 LTS

I am having unmet conflicting dependancies. The log is too long to paste here so I have made a pastebin. http://pastie.org/10651012 But these are the most relevant lines: $ sudo apt-get install ...
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15 views

KDE: “Switch to Previous Desktop” goes to next instead

Not sure if this is a bug or not, but I've just set a shortcut in the system settings of KDE for "Switch to Next Desktop" and "Switch to Previous Desktop". "Next" Desktop works fine. Previous desktop ...
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326 views

Trying to install muon package manager on kubuntu

I want to install some features from Kali Linux but I need firstly to install a muon package manager. So I'm trying: bartosz@bartosz-L750D:~$ sudo apt-get install muon Reading package lists... Done ...
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113 views

Ampps warning Cannot mix incompatible Qt library (version 0x40806) with this library (version 0x40805) on kubuntu

I installed ampps in kubuntu 64 bit. When I tried to start ampps by sudo ./Ampps, I got the following error Cannot mix incompatible Qt library (version 0x40806) with this library (version 0x40805)
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74 views

Kubuntu 15.10 cannot login after switching to integrated graphics

After I have updated my Kubuntu 15.10, I cannot login on integrated graphics mode anymore. My kernel version is 4.2.0-22. My nvidia driver version is 352.63 Anyone can help me? My laptop specs (...
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39 views

Kubuntu 15.1 No Internet through Ethernet

My ethernet isn't working in Kubuntu 15.1 (also Ubuntu 15.1 and Fedora Workstation 22), however it works with Windows 7 SP1 and Windows 8.1. My ethernet connection is being detected, however I am ...
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20 views

Kubuntu Partitioning

The last time I touched a Linux distro was back in Ubuntu 10.04, so I'm sorry if I'm asking a rather basic question. I'm stuck in the partition screen during installation. I've read a few tutorials ...
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364 views

Unable to install Plasma desktop on Ubuntu 15.10

I have followed the following steps to install the plasma desktop on Ubuntu 15.10: sudo add-apt-repository ppa:kubuntu-ci/stable sudo apt-get update sudo apt-get dist-upgrade sudo apt-get install ...