The official Ubuntu derivative using the KDE Plasma Desktop

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Why ASRock X-Boost (automatic CPU overclocking) affects Kubuntu's boot?

I have a computer with Windows 7 and Kubuntu 14.10 installed (64 bits both), and when X-Boost is disabled there isn't any problems with any OS, but if X-Boost is enabled, when I try run Kubuntu, ...
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24 views

Kubuntu cannot copy file to external drive - errno: 5

Just until recently, I've been having trouble with transferring files from my laptop hdd to my external hdd as it keeps coming up with the same error. Is this because of my external hdd format not ...
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1answer
22 views

Kubuntu has serif font in some dialogs

I was going through some settings of my Kubuntu 15.04 installation when I hit 'Defaults' in System Settings > Fonts. I believe this is what caused some texts to display in serif fonts, the best ...
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1answer
22 views

There is something in my home folder that makes Kubuntu stuck at login. What is it?

I have a partition with my home folder mounted at /home and so I login and the screen goes black and the login screen reappears. Where can I find a log or error report or something?
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10 views

Can't navigate folders on Plasma5

I just updated to Kubuntu 15.04 running Plasma 5 and a very strange bug happened. From time to time, I can't navigate folders inside an application. When I do an "Open File for example" it will show ...
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1answer
836 views

Error getting authority: Error initializing authority: Could not connect: No such file or directory (g-io-error-quark, 1)

I just got this error from Kubuntu 15.x when starting up after restart to upgrade kernel. Error getting authority: Error initializing authority: Could not connect: No such file or directory ...
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0answers
25 views

Is there a way to fix the slow down problem in kubuntu?

In my experience Kubuntu 10.04 (kde:4.4.5, Firefox 20.0) was the last stable version. I have tried versions 12, 13, 14 without any improvement. Version 13 was DOA. All versions of 12.04 slowed down ...
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11 views

Problem installing Kubuntu 14.04 using wubi [duplicate]

The installation is hung up and I have the following error message: "An error occurred: Permission denied" The log file contains this explanation: "Error: ...
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0answers
71 views

kde5 reset user settings

I'm confused. I was playing with opacity in KDE5 and made a mistake so now I can't see any windows at all -- ok, not one of my better moves :) So I log out, and: rm -rf ~/.kde rm -rf ...
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1answer
28 views

I am having trouble with updating in kubuntu 15.04

Hello I am a linux noob but I have recently started dual-booting Kubuntu 15.04 with Windows 8.1. It worked well with the first round of updates but after adding repositories such as Wine and ...
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2answers
36 views

How to boot from an Ubuntu USB?

My laptop is running windows 10, build 9926. I would like to install Ubuntu or Kubuntu over windows 10. I have USB drives formatted and ready with the ISO files of Ubuntu and Kubuntu. (each drive has ...
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0answers
87 views

15.04 upstart&systemd boot problem

I upgraded to Kubuntu 15.04 and cannot start using either systemd or upstart without going into rescue mode. I switched from systemd to upstart without any change. It hangs at the Kubuntu logo and ...
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1answer
35 views

Changing mouse polling rate

I am in need of reducing my mouse polling rate. When running cat /sys/module/usbhid/parameters/mousepoll it will return a value of 0, which is very high. I have tried the classic ...
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0answers
37 views

Reverse scroll direction in plasma 5

Recently upgraded to kde plasma 5, I have noticed that reverse scrolling does not work on plasma 5 windows such as the control panel or application launcher while it works in other apps. Is there a ...
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2answers
275 views

Kubuntu 15.04 - Wrong log in screen resolution on laptop

I realise that there are similar questions on this problem for Ubuntu, including a question that I asked myself, but I have the same problem with Kubuntu 15.04. My Kubuntu system is set to a ...
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1answer
30 views

Problems on Kubuntu machine connecting to some sites after AT&T uverse upgrade

I recently had the U-verse service upgraded, and noticed that Facebook and youtube, and sometimes Yahoo have problems loading and displaying content. I am running Kubuntu 14.04 LTS, and using the ...
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13 views

Kubuntu keyboard problem

Issue is with some keys, when I type a I get al, for c I get c. and etc. It seems problem started to occur after latest updates..... Please advise...
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1answer
51 views

When can we expect Plasma 5.3 to be available for Kubuntu users

Plasma 5.3 has been released in Kubuntu backport ppa, but not in the main ppa. What is generally the timelines that a backport is available in the main ppa. What are the reasons why I should not go ...
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39 views

Kubuntu 14.10: Laptop only sleeps when closing lid every other time

I am running Kubuntu 14.10 on an older Toshiba Satellite laptop. I have configured it via System Settings to sleep when I close the laptop lid. This works but only every other time I close the ...
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1answer
71 views

Accents problem on GTK application on Kubuntu 15.04

I have installed Kubuntu 15.04 which looks awesome. My French-Canadian Keyboard is well configured and I can type word with accents fine on KDE app like Kate. But if I'm on skype, firefox or other GTK ...
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1answer
60 views

Kubuntu 15.04 alt key problem after upgrade

After last upgrade, when I do any alt+key combination my plasma window manager freezes as if the alt key keeps pressed. So I can only move windows. I have to connect with ssh to restart display ...
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1answer
162 views

Unable to set up Raid during Kubuntu 15.04 installation

According to the installation documentation one should be able to choose something along the lines of 'physical space for raid' when choosing manual partitioning during installation but the option ...
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0answers
143 views

How to change the way desktop icons are displayed in Kubuntu 15.04

I'm running KDE 15.04. My desktop icons all show up in a reduced size on a gray rectangular background. I want them to be displayed in normal size without that background, just as they were in ...
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10 views

How to publish a game in Muon? [duplicate]

I have written a little game and I would like to publish it in Muon. How can I do that? I haven t found any documentation...
3
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1answer
254 views

Autologin not working in Kubuntu 15.04

after the upgrade to Kubuntu 15.04 the autologin feature isn't working anymore. I reproduced this issue on two machines, which have been upgraded from 14.10. It's simple to reproduce: Just enable ...
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1answer
321 views

Mouse cursor disappears in Kubuntu 15.04

Recently I installed Kubuntu 15.04 and found that when I'm using Nvidia drivers mouse cursor disappears when I move it to top of the display. It is few pixels "invisible" gap on top. Every other side ...
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1answer
226 views

How to install Kdenlive 15.04 on Ubuntu 14.04?

How can I install Kdenlive 15.04 on Ubuntu 14.04? Kdenlive recommends to use this PPA: https://launchpad.net/~sunab/+archive/ubuntu/kdenlive-release But it does not have the latest version. How do ...
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1answer
145 views

Switch from Ubuntu to Elementary OS without breaking the drivers [closed]

I'm completely stranger to Linux but I'm interested in buying a Dell XPS13 Dev edition (ships with Ubuntu). I quite don't like Unity though, so I was thinking about ditching it for Elementary OS but I ...
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1answer
28 views

Kubuntu laggy althoug RAM/CPU isn't all used up

I'm using Kubuntu with KDE Plasma 5.3 (Just installed the system a few days ago) Something strange is happening..The system is very, and I mean VERY laggy. When I'm doing simple tasks like leaving ...
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101 views

KDE 5 : Increasing icon-size in task manager and correct screen animations

I am currently using KDE 5 on Kubuntu. Everything else is good, but I just want to know how I can increase the icon-size in task manager. Currently because I am forcing font DPI to 110 for viewing ...
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19 views

Apply colors to non kde4 applications doesn't works under kde5

I can't get non kde applicaiton (Chrome for example) to apply colors from KDE. Any suggestions?
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1answer
70 views

How change KDE account picture automagically?

I've written a nifty little script that selects a random image at reboot and copies it into my home folder, naming it .face. However, my desktop environment is KDE and it seems to be ignoring that ...
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0answers
70 views

How to show the menus for a window in the window's title bar in KDE Plasma 5

I installed both the 'appmenu-qt' and 'appmenu-qt5' packages on a fresh install of Kubuntu 15.04. Then I looked in 'System Settings > Application Style', but found no options to enable the appmenu. ...
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80 views

How do I access GUI settings (kubuntu 15.04) or run them from Command line

Currently Plasma 5.3 is not running on my kubuntu 15.04 install. see Plasma has vanished Kubuntu 15.04 How can I access settings, i.e. what name/commands do I need to run whatever the plasma settings ...
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1answer
235 views

Kubuntu 15.04: Cannot Install Language Support (Language Selector Gnome)

I use Kubuntu 15.04. I have tried couple of times to install language selector Gnome, but it didn't work. I tried to use synaptic and Ubuntu software center. At the end of the installation process, it ...
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0answers
30 views

Dolphin takes a while to open (Kubuntu)

I tried out kubuntu a few months ago and encountered the same problem, when I try to open dolphin it takes about 15 seconds to fully load (this has never happened with any other file manager on other ...
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123 views

Plasma has vanished Kubuntu 15.04

Yesterday plasma-desktop not longer started on booting up, nor on command line plasma nor plasma-desktop, (tried those after a bit of web searching). Then I tried to upgrade to a newer Plasma via a ...
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1answer
179 views

CD-ROM issues in Kubuntu 15.04

I recently upgraded from Kubuntu 14.10 to 15.04. Since then, I cannot use my CD drive. If I insert a CD, it doesn't appear on my devices list. If I try mounting it, I get the following error: % sudo ...
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1answer
31 views

How can I install Kubuntu on a Virtualbox with a dynamic hard drive?

When I try to install Kubuntu on my Virtualbox, it says that there isn't enough space: I think this is because I chose to have a dynamically allocated VDI hard drive. Is there any way to install it ...
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0answers
35 views

SSH by key incredibly slow

SSH connecting with key, from my machine suddenly got incredibly slow (~10sec!). It is not a server or DNS problem as far as I can figure out. The problem suddenly appeared after a simple apt-get ...
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2answers
130 views

Where in System Settings do I set a static IP?

I can't find where you can set a static IP in the network settings. Anywhere top level?
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1answer
58 views

Kubuntu freezes during launch

Good evening everyone. I have a weird bug since yesterday. I have installed kubuntu 15.04 since his release with no problems. Nevertheless, since yesterday, every time I start my laptop, ~10 ...
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0answers
47 views

wifi problem networkmanager

I can not connect to my Wi-Fi, can someone please help? The network manager gets stuck at: "configuring interface". After a couple of tries I get two messages: 1. wireless network deactivated. 2. no ...
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2answers
66 views

Kubuntu 15.04 does not start after login

I installed Kubuntu 15.04 after a reformat of root and home. I enter my password nothing happens. The screen displays a load bar, but stops about 2/3 of the way, and then nothing happens. I tried ...
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1answer
9 views

How do I prevent Kubuntu from forgetting its sticky keys settings?

I'm running Kubuntu 14.04 and very often it forgets its settings that sticky keys are turned on by default? In Accessibility → Sticky Keys, Use Sticky Keys and lock Sticky Keys are marked. At least ...
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0answers
20 views

Prevent starting of gnome services

I'running kubuntu 15.04 with kubuntu backports enabled on my old laptop (Celeron 530@1.73GHz, 2GB memory). Additionally Unity is installed. After starting plasma everything i have noticed that some ...
0
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1answer
188 views

kubuntu 15.04 plasma 5.3 how to stop session timeout from logging out

At the moment, sddm will logout the session on expiry. It is different to the way kde worked. 2 things: I am unable to locate where to specfiy the session timeout value and secondly, how to change the ...
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1answer
136 views

How to start Plasma 5?

I use Kubuntu 15.04. And my Plasma 5 crashed and not restarted. Rebooting didn't help. Now there are only windows. How can I start Plasma 5?
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0answers
9 views

Losing Ubuntu after trying to remove kubuntu [duplicate]

I tried to uninstall kubuntu-desktop after I decided I didn't want it. I had a hard time doing this and eventually used the terminal to get rid of it. I used some code given to me by someone from this ...
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1answer
58 views

Is there Persian calendar in kubuntu yet?

Before, there was Persian (Jalali) calendar in kubuntu. I have installed kubuntu 15.04 recently, and it's like there is no Persian calendar any more. Is this true? Or the way to enable it has ...