The official Ubuntu derivative using the KDE Plasma Desktop

learn more… | top users | synonyms (1)

1
vote
0answers
144 views

How do I fix black screen in kubuntu 16.04?

So I am trying to use the computer and all I get is a black screen. I don't know how to fix the black screen. Can you help me? I updated Kubutnu 15.10 to 16.04 and all I got was a Black screen. ...
0
votes
0answers
20 views

Mouse clicks stop registering

If I stop using the mouse for the a minute the button clicks stop registering, I can continue to move the mouse but nothing happens when I click on some thing, any ideas what could be causing this? ...
0
votes
0answers
41 views

How do I make panel background in Kubuntu 16.04 no transparent?

I want my panel to be black, with no transparency. In system settings, under the desktop theme details I have set Panel background to Oxygen. I thought that would be black background, but it is ...
0
votes
0answers
36 views

Problem with desktop manager after updating to 16.04

I just update my Ubuntu to 16.04. After restarting, I found that my desktop manager is not started. It just give command line interface. After I try to input kdestart (I have Kubuntu from previous ...
0
votes
1answer
169 views

distorted video playback with vlc in kubuntu 16.04

I recently installed kubuntu 16.04 on my laptop. Everything works fine except that i can't play videos with vlc player! the default player(Dragon) has no problem but when i open videos with vlc the ...
0
votes
0answers
43 views

Visual changes of the applications with root in Kubuntu 15.10/16.04

The problem is: when I start apps in Kubuntu with sudo or kdesudo, these apps change their visual themes and some of them are displayed with issues. As an example: Dolphin in normal mode: Dolphin ...
1
vote
2answers
225 views

akonadi services and mysqld use too much memory in kubuntu 16.04

I recently installed kubuntu 16.04 on my Dell studio xps 1640 that has 8GB of Memory installed. Everything is working fine but Something is really bothering me. After a fresh boot up, when i check the ...
0
votes
0answers
15 views

Sort local collection by album instead of by artist in Amarok

The default sort to your local amarok collection seems to be by artist, then by album. Can I change to sort order to be albums then artist? I don't want to rename or change the files in the collection ...
0
votes
0answers
12 views

Lost system after update

I know similar subject was in forum not once, but answers which I found did not solve my problem. I have Netbook Lenovo S10-3 (old and slow) I was using Kubuntu for a long time, but about 2 weeks ago ...
0
votes
0answers
201 views

Kubuntu 16.04 : Software centre search bug

I installed the new 16.04 kubuntu and I have problem with Discover - Software center. So these are the screen shot that I have made This is the first look you see that we have wrong aligned text, ...
1
vote
5answers
663 views

Kubuntu 16.04 Plasma can not start after fresh install

I have made a fresh install of Kubuntu 16.04 via USB stick. The sha256 checksum of the USB stick matched the one on the download page. All installed packets have their most recent version. I have a ...
3
votes
4answers
2k views

Kubuntu 16.04 Driver Manager broken

The driver manager is hanging on the "Collecting Information about your system" phase it's not progressing past this point. Is any one else experiencing this, if so are there any known fixes?
2
votes
1answer
451 views

Why isn't Hibernate in Ubuntu 16.04 working and how to fix it?

I have Kubuntu 16.04 64-bit installed on my HP Pavilion 17-f000 Notebook. I've tried the steps from the ubuntu 16.04 wiki, but the sudo pm-hibernate terminal command did nothing and creating the ...
0
votes
3answers
1k views

Kubuntu doesn't work after upgrade to 16.04

I have a new system76 lemur laptop. It worked fine for a week. I installed kubuntu, that worked fine. Then I upgraded to 16.04 and the system doesn't boot fully anymore. The kubuntu logo flashes ...
1
vote
1answer
129 views

How to resize a Folder View widget on the desktop?

It's surely my fault, but I am not able to resize the folder view widgets I've put on the desktop. In the previous release (14.04, KDE 4) the folder view widgets all had auto-appearing hanldes for ...
0
votes
0answers
43 views

dropbox icon gone but returned black

I think I have a potential solution to a fairly minor but annoying problem, upon updating my repositories the dropbox icon disappeared from the taskbar. I actually got it back by removing and ...
0
votes
0answers
8 views

DNS issue in Kubuntu 15.10 on campus network - DNS not resolving except when connected through one particular wifi router

I'm facing a weird DNS issue. I'm on a campus network. My laptop runs Kubuntu 15.10. When I connect from my dorm room wireless router (which is also on the campus network), everything is fine, I can ...
3
votes
1answer
838 views

kubuntu 16.04 release unusable in virtualbox

Installed the released amd64 version of Kubuntu in a VirtualBox virtual machine - single CPU, 4096 Gb memory, 128 Mb video memory, single monitor. After install, following instructions from several ...
0
votes
1answer
67 views

Cannot input Vietnamese(Unikey)!

So here's the problem. I just installed Kubuntu 16.04 amd64 on my laptop. It just seems I can't input Vietnamese into any application although I've installed ibus-unikey, started it's daemon, ...
1
vote
1answer
199 views

Kubuntu shows black screen after upgrading to 16.04

I upgraded my Kubuntu 15.10 machine to 16.04 yesterday. Everything was working fine. Today, I did a reboot. Upon logging in, my desktop doesn't show so I have a blank black screen. Thankfully, Plank ...
0
votes
0answers
36 views

Avoid flooding disk by copying to failed mount point

I intend to copy files from one Kubuntu PC to the Samba share of a second PC as a backup. For this purpose I am using a backup GUI tool. I would like to mount the samba share to a mount point on the ...
0
votes
1answer
265 views

Screen Tearing After Kubuntu Upgrade 15.10 -> 16.04

Just upgraded today, already regretting it. I have terrible VSync/tearing problems. Before it worked flawlessly. I already tried all compositor settings, some of them seemed to temporarily remove ...
0
votes
0answers
535 views

X.org does not start after 15.10 to 16.04 upgrade

I upgraded Kubuntu from 15.10 to 16.04 today using the official upgrade process. The upgrade was smooth: no errors at any point during the process. However, after rebooting, X.org fails to start up. ...
0
votes
1answer
265 views

Kubuntu 16.04 hybrid amd graphics card blank window

I am on a laptop with Intel/AMD hybrid GPU, and I believe I have the driver AMDGPU enabled by default. xrandr --setprovideroffloadsink was also set to the AMD card. So I tried to launch steam with ...
0
votes
1answer
57 views

Cannot compile java following upgrade to Kubuntu 16.04

Before I upgraded Kubuntu I could compile in eclipse. Eclipse now says: The project was not built since its build path was incomplete. Cannot find the class file for java.lang.Object. Fix the build ...
0
votes
0answers
68 views

add-apt-repository producing python error

Recently I updated ubuntu 14.04 to kubuntu 16.04.Whenever I try to add ppa repositories through "add-apt-repository",its producing python error.Please help me solve this error or suggest alternative ...
0
votes
0answers
18 views

Sweet Home on Ubuntu 14.04 not working properly

I often use Sweet Home 3D program, but now I have a trouble with it. Should say, that when I use Kubuntu, it works fine, all options, all features worked properly. But on Ubuntu - no. First, I can't ...
1
vote
1answer
18 views

Kubuntu 14.04.4 LTS: mouse pointer disapeared

I am running Kubuntu 14.04 LTS since years without this problem. But last week my mouse cursor did disappear while working with the system (when closing some windows and switching between virtual ...
1
vote
1answer
42 views

Binding a terminal command to a set of keys for Kubuntu 15.10

I have just installed cmus and to run it I need to go into terminal and enter the command "cmus". Is there any way I can bind this to a set of keys? Thanks.
1
vote
1answer
24 views

aptitude: symbol lookup error: aptitude: undefined symbol

When I run the following in my terminal: aptitude search linux-headers | grep ^i I get the following error: aptitude: symbol lookup error: aptitude: undefined symbol: ...
1
vote
0answers
31 views

Kubuntu - adding a 3rd monitor connected to onboard

Please help me find the answer in adding a 3rd monitor. My setup is I have 2 monitors connected to an external VCard (GeForce GT 730). I am adding a 3rd monitor which is connected to the onboard video ...
1
vote
0answers
23 views

Kubuntu 15.10 - Session save doesn't work

This machine was originally installed with Kubuntu 14.10. Then I upgraded to 15.04, and since then it fails to properly restore my previous session. I recently upgraded to Kubuntu 15.10, hoping to fix ...
0
votes
2answers
68 views

How do I check if I have the beta or stable version of Kubuntu?

I installed the Kubuntu 16.04 beta 2 and I plan to upgrade to the final release when it's out. I just want to know now how to check so I can make sure. The solution here tells me that I have the ...
1
vote
0answers
21 views

I can't download new Plasma widgets and Plasma themes in Kubuntu 15.10

Each time I try to download the new Plasma widget from the Plasma Add-On Installer, I get the following error: Loading of providers from file: http://download.kde.org/ocs/providers.xml failed ...
1
vote
1answer
28 views

How to fix the problem of drop-down menus being transparent and not readable in Kubuntu 15.10

The Problem: The task manager dropdown menus are all transparent and not readable at all. The same goes for all the dropdown menus of libre office. I have tried to change the desktop theme but the ...
-1
votes
0answers
24 views

Distrust with dist-upgrade

What we should know about dist-upgrade and how to do it correctly? I'm asking this because every time that I do a dist-upgrade, when it has a new kernel available, some strange behaviors happens. ...
0
votes
1answer
23 views

Power management dies after suspend in Kubuntu 15.10

Ever since I upgraded to Kubuntu 15.10 from 14.10 power management dies after waking up from suspend (to disk or ram). The only thing that still works is dim display but it won't even un-dim. Screen ...
-2
votes
1answer
46 views

Google Chrome disappeared entirely

Google Chrome suddenly disappeared from my computer entirely after a reboot. I was using Chromium for some time but suddenly, Chrome appeared without me downloading it, and I thought something weird ...
0
votes
0answers
12 views

Change color on Kubuntu

There is a very annoying thing on Kubuntu. When I'm on youtube.com search bar is like following image It 'pretty much the text is not visible. What options do I have to change settings to change ...
0
votes
0answers
24 views

How can I get the Insert key never to overwrite in Kubuntu 14.04?

I have read Is there any way to disable the default behavior of the Insert key? asked in 2011 but I can't find the Add button in System settings. I want my Insert key to insert, but it keeps ...
0
votes
1answer
14 views

Accidentally killed plasma

I accidentally pressed ctrl + alt + esc, clicking on the process in the task manager, but it didnt work, and it selected the whole plasma desktop and got killed, is there a quick fix to start up ...
0
votes
0answers
14 views

How to install Slickedit trial in Kubuntu 14.04?

Has anybody tried to install the trial version of Slickedit in Kubuntu 14.04? I am new to Kubuntu and too inexperienced to succeed. How do I go about it?
0
votes
0answers
22 views

How to get Thunderbird in dual boot to work properly?

I have a dual boot machine, KUbuntu 15.10 and Windows 10. The first system installed was KUbuntu and Thunderbird was initially set up on it. Once Windows 10 was up & running I did install ...
1
vote
0answers
32 views

macbook pro retina overheating

I've strange problem that I have tried to solve for long time Macbook Pro Retina overheating I've tried : laptop-mode-tools,indicator-cpu,thermald,powertop Distros tried to use but no fix : Ubuntu ...
3
votes
1answer
84 views

Can i replace my desktop environment?

I'm considering trying out Gnome and maybe changing to it, but I've heard that "dualbooting" multiple desktop environments (so you can access them both from the login screen) can make your desktop do ...
0
votes
1answer
8 views

Kubuntu restarting application at boot

I shutdown Kubuntu once with an app running know it starts @ every boot even if closed before shutdown. App not in System Settings -> Startup. How can I keep this from happening,
0
votes
1answer
17 views

Kubuntu Graphical Desktop Not Displaying $HOME/Desktop Files

I'll make this as short as possible. I will refer to the "Desktop" to mean the area I see on the screen when no programs are open. Today I installed Kubuntu 15.10. When I save files to Home/Desktop ...
0
votes
1answer
18 views

outdated stunnel,openssl versions Kubuntu 14.04

I have : stunnel 4.53 > when the latest version is 5.31 openssl 1.0.1f > when the latest version is 1.0.2g I've updated the system using apt-get but still with 4.53 and 1.0.1f , I have a security ...
0
votes
1answer
55 views

How to install Qt verion 4.8.1

How can i install Qt version 4.8.1 in Kubuntu 14.04 ? I cannot find the version 4.8.1 in the official Qt site's downloads list. Kindly help me to install the exact version. Thanks
1
vote
2answers
75 views

KDE 5 - How to easily switch between audio outputs?

I currently have KDE 5 Plasma installed which I like a lot. However, it is not possible to easily switch between Audio outputs from One Soundcard (SPDIF and analog) like it was possible in Unity. Is ...