The official Ubuntu derivative using the KDE Plasma Desktop

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how to make programs that autostart at login start hidden?

How do I start applications that autostart on login start hidden in the system tray? Is there special command (i.e. --hidden) to the autostart command to make the application start to the system tray?...
3
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1answer
2k views

Qt version is not properly installed

Qt Creator says that Qt 5.4.2 is not properly installed. I installed the qtcreator package from the Ubuntu repositories. What can I do about it?
3
votes
2answers
408 views

Wallpaper is not seen in fullscreen

The wallpaper does not cover the screen fully. There are black background in the top as well as in the bottom, wallpaper is only in the center. All other windows opens normally apart from the ...
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votes
2answers
560 views

unlocaling kubuntu

I have installed kubuntu 13.10 as I am living in israel, every app that I install is immediatly in hebrew which is very annoying. I always prefer my applications to be in english and just have the ...
3
votes
1answer
3k views

Update manager notifications not getting in Kubuntu

I am using Ubuntu 12.04 . Generally in Ubuntu with Ubuntu-desktop i can get desktop notifications if any new updates are available for the system. But i am not getting such type of updates in KDE. Is ...
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2answers
10k views

Install themes on kubuntu

I just installed the package kubuntu-desktop and i found some really good themes online: http://kubuntu-art.org/content/show.php/Ice+cream+Theme+%28QtCurve%2CEmerald%2CChrome%29?content=151493 http:...
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3answers
3k views

How do I add an alternative “open with” command for text files in Kubuntu?

On Kubuntu 11.04 I just installed gvim, which magically added an "open with gvim" for a bunch of text files. Great, but I would like to add another one in order to start gvim on the given file and ...
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votes
1answer
787 views

Any similar function like ubuntu software center in Kubuntu?

I am trying out Kubuntu 11.04 and I am a total newbie for linux. I played ubuntu before but didn't really like its setup. However, I did find Software Center is very convenience tool but I couldn't ...
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3answers
473 views

Frozen window carcass that doesn't want to leave

I have this problem: Larger image Seems like something has frozen. This happens after every reboot now. How do I track what is frozen and what to kill?
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3answers
3k views

Open magnet links from Chrome into KTorrent

I'm trying to open magnet links from Chrome into KTorrent 4.3.1 on Kubuntu 13.10. The problem is that after i click the link, a new notification appears. It says "Examining magnet://..." and will run ...
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1answer
120 views

Will Kubuntu no longer being a funded derivative affect it's official derivative status?

It's a really simple question. I was just wondering since it has far reaching implications for the site, and it is a substantial change to the ecosystem.
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2answers
1k views

Changing distribution and keeping user files

I am using Kubuntu now, and hava partition as /home seperate from /. I want to install xubuntu instead of kubuntu. Can I do that without affecting my files at /home and is there any disadvanteges of ...
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1answer
218 views

Kubuntu installation asks to install on entire partition

I'm trying to install Kubuntu 12.10 on my computer, but when i get to the part where we chose the partition to install Kubuntu, I only have three options and all of them includes using the 100% of my ...
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1answer
3k views

Switching from netbook edition to desktop-edition

So I've get the official Kubuntu 12.04 CD. I've installed it on a netbook. It have installed a netbook edition (without asking me...). So that I see while I would really prefer the standard plasma:...
3
votes
1answer
6k views

How to configure Kubuntu fonts to look line ones used in Unity - Ubuntu 12.04?

Because Unity and Gnome3 where too buggy and unstable I switched to Kubuntu and now I do have a really good speed and, so far, stability. Still, the problem with Kuduntu, is the all the fonts are ...
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1answer
2k views

How can I disable Apper?

Since 12.04 came out, "Apper" bothers me every five minutes with a popup "UPDATE NOW!!!!!" How can I turn this annoyance off?
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2answers
4k views

Can Firefox open (embedded) PDF's without starting Okular?

How can I make Firefox on Kubuntu to open PDF in its embedded PDF viewer, like it does on Windows? Currently it opens PDF's in Okular. Some websites (with embedded PDF's) malfunction because of this ...
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3answers
9k views

Executing 'grub-install /dev/sda5' failed. This is a fatal error

I apologize in advance for my bad english. I was trying to dual boot Windows 7 and Kubuntu 11.10, and i get this error 'Executing 'grub-install /dev/sda5' failed. This is a fatal error.'. every time ...
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votes
3answers
6k views

How to set keyboard combination to kill the X server?

It used to be ctrl+alt+backspace to kill x server, but for some unknown reason, it was decided to disable that combination and use something else (I think it is right alt + printscreen +k). So, how ...
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2answers
45 views

Having Lubuntu and Kubuntu together

I need lubuntu to do development, but sometimes I would like to log and enjoy a richer system as kubuntu or ubuntu, but also all the most fancy desktop environment, compiz, enlightment etc. a ...
3
votes
1answer
217 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 ...
3
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2answers
433 views

16.04 Live CD screen resolution problem? [duplicate]

I'm not sure if its me, but I have some problems with the 16.04 live CDs. See for yourself (using VirtualBox): VirtualBox settings: Base Memory: 3000MB Processors: 1 Video Memory: 128MB No 3D ...
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2answers
57 views

Benefits of Separating Home Directory?

I'm trying to strategize my ubuntu installation. I've always read that separating the /home directory makes it easier when it comes to upgrading your distro. But could somebody please explain why? I'm ...
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3answers
2k views

Lost “Open terminal here” on upgrade from Kubuntu 14.10 to 15.04

In Kubuntu 14.10, the option "Open terminal here" was available in Dolphin's Actions menu. When I upgraded to Kubuntu 15.04, this option disappeared. How can it be restored?
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2answers
1k views

kde clock format: how to include the day in a non-tiny font?

I'm using KDE on Kubuntu 15.04. I want my taskbar clock to look like this: Sun 19 15:11 (or AM/PM would be ok, main thing is Day / Date in the same font size as the time. I don't need my computer ...
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1answer
96 views

Does Kubuntu have GPG keys?

Does a Kubuntu have a GPG keys to prove the authenticity of OS image? I saw the Ubuntu have, but didn't see anything for [K]ubuntu.
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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 ...
3
votes
1answer
10k views

How do I install Ubuntu on a Meego pad t01

This Christmas I received a MeeGo Pad T01 as a present and have been checking around the inter-webs for a Ubuntu/Linux installation guide without success. So my question is fairly self explanatory ...
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2answers
12k views

Virtual Box Kernel error [duplicate]

I am using kubuntu in my laptop i have installed virtual box in kubuntu 14.04 lts but when i start virtual machine it gives me error: Failed to open a session for the virtual machine ub. VT-x ...
3
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1answer
1k views

How do I get Firefox to open attachments without downloading them?

I have Windows XP and Kubuntu 12.04 on my desktop. I use Gmail and Yahoo mail through Firefox. If I get an attachment using XP, I know how to navigate to C:/Program Files/XYZ/xyz.exe to open the ...
3
votes
1answer
5k views

How do I change system-wide font settings in Kubuntu?

How do I change the font/size for the icon captions, Dolphin text, and window decoration text? They all went from 12 point to 10 point after I installed KDE updates on Kubuntu 12.04.
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1answer
3k views

Web fonts became ugly after installing KDE

After installing kde-standard on my Ubuntu 12.04,web fonts(both Firefox and Chrome) turned to ugly both in Gnome and KDE desktops.How do I get back good looking web fonts.
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2answers
4k views

How to switch from Kubuntu to Lubuntu

How can someone switch from Kubuntu to Ubuntu? I need the OS to be more lighter than Kubuntu, so I need things to be unistalled from Kubuntu and the LXDE to be installed. I am talking about 11.10 . ...
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1answer
3k views

okular default printer settings

In Kubuntu 11.10, Okular does not seem to obey the CUPS default printer settings. So everytime I want to print something double-sided I have to select the option in Okular, really inconvenient. Is ...
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3answers
10k views

How do I install Skype on 11.10 when using kubuntu (kde4.7)?

I have added the partner repository, however when issuing aptitude install skype the proposed solution is to remove all of libs concerning kde4, plasma, dolphin and a hundred other packages. That ...
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3answers
2k views

How do I increase the volume beyond 100% in Kubuntu?

The Unity/gtk volume manager that comes with vanilla Ubuntu lets you increase the volume past 100%, which is useful for hearing quiet youtube videos. Is there a way to achieve the same thing with the ...
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3answers
9k views

Wireless network not connecting in Kubuntu 11.04

I've got a fairly fresh install (a month old) of Kubuntu without much modification done to it and I'm having massive issues connecting to any wireless network. The computer can see the networks ...
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5answers
4k views

Why does Akonadi on KDE 4.6.0 refuse to start?

Akonadi refuses to start on my fresh installation of KDE 4.6.0 from the kubuntu-backports PPA on Ubuntu 10.10 Maverick Meerkat, preventing me from usking KMail. Here is the full error output: ...
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1answer
751 views

Will gcc be upgraded to 4.5.* in one of the 10.04.* releases?

I don't quite understand how the LTS releases work. Will gcc be updated to the newer 4.5 version or will it remain 4.4 and I'll have to wait for 11 before seeing 4.5?
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4answers
11k views

How to automount hard disks without the need for password at login?

I want my Kubuntu to auto mount my hard disks at login without the need for password. I tried it through System settings -> removable media and checked "Enable automount removable media". But at the ...
3
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1answer
120 views

When I do a release upgrade on a system with two derivatives, do both get updated?

Let's say I installed regular Ubuntu Desktop edition using the liveCD. The I installed both Kubuntu and UNR on the same partition as Ubuntu desktop, by doing: sudo apt-get install kubuntu-desktop ...
3
votes
5answers
9k views

How do I restore a linux boot partition?

First of all, I'm a linux noob (I've been using linux for a about four-five years, but only fixed problems as I got them though usually I just reinstalled everything). I have recently installed ...
3
votes
5answers
1k views

Fixing USB drive auto-notify

Yesterday I was copying files from SD cards, but at some point they stopped auto-mounting. Didn't notice any errors. I can still mount by right-clicking the appropriate file in /dev in Konqueror. ...
3
votes
1answer
141 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 ...
3
votes
1answer
153 views

How to make xdg-open to use kde-open instead of gvfs-open?

I have both gnome and KDE installed in my Ubuntu, but mostly I use KDE. When I execute: xdg-open <folder_name> it runs nautilus instead of dolphin (as gvfs-open also do). It seems to me ...
3
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1answer
687 views

Changing opacity of inactive windows in KDE

Is there a way to set a customization in Plasma environment so that inactive windows will have opacity 30%? I know one can set specific titlebar colors for active and inactive windows . But I could ...
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1answer
2k views

Prevent kubuntu from remembering previous session

If I shutdown pc while, for example, a konsole is opened, at the next boot kubuntu will load that konsole. This happens for each file/program opened. I don't want this. Is there a way to prevent it?
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2answers
5k views

Get the Bluetooth Audio Sink working with Kubuntu 13.10 and Bose Mini Soundlink

I'm using Kubuntu 13.10 with a Bose Mini Soundlink. I have no issue discovering, pairing and trusting the external speaker. On the contrary, I'm having great troubles in streaming the sound from the ...
3
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3answers
5k views

KDEInit could not launch /usr/bin/kate

I'm running Kubuntu 12.04 with KDE 4.11.1 and the rootactions service menu in Dolphin. I opened Dolphin as root then clicked on a text file. I got a "Sorry" dialog with the message: KDEInit could ...
3
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1answer
731 views

How do I get the session option for KDE in the login screen? (installed kde-full)

I've installed the package kde-full in Ubuntu 12.10. As I know I should be able to switch to KDE on the login screen, after it is installed. However, I only see two options: Ubuntu 3D Ubuntu 2D ...