The official Ubuntu derivative using the KDE Plasma Desktop

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25 views

where do I find downloads for other flavors such as Ubuntu Studio, Kubuntu, Xubuntu, etc?

Where do I find downloads for other flavors such as Ubuntu Studio, Kubuntu, Xubuntu, etc? I want to install in a VM and get the error that says the video will have a hard time with the unity desktop. ...
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1answer
69 views

KDE Development on Ubuntu

I'm new to Ubuntu (14.04 LTS) and while I understand a bit about Linux I'm still confused about the entire concept because when I read terms like IRC, GTK, Gnome, Qt and so on, I get confused as to ...
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0answers
32 views

Problems with bluethoot headseton Kunbutu.

I have a bluetooth headset and i'm trying make him work. First of all I had installed ubuntu studio but seems to me that blues dont work at all,so i changed to kubuntu and i installed all ubuntu ...
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0answers
27 views

Pc doesn't start without internet

After I configured proprietary drivers (fglrx-updates and processor microcode) Kubuntu works only when there is an internet connection (Wi-fi or ethernet). Without it, I only see the logo "KUbutnu". ...
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0answers
108 views

Kubuntu 14.04, KDE system settings no longer gives me control over pulseaudio

Under Device Preference in 'Audio and video settings' in kde system settings i now only have 1 "device" which is "PulseAudio Sound Server", previously i had 3 devices, 1 was my microsoft lifechat ...
0
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1answer
95 views

Kubuntu 15.04 - arrow in the scrollbar

is there a way to enable the little up and down arrows on the top and bottom (respectively) of the scroll bar? Some people are so used to it and miss it. Thank you!
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0answers
60 views

USB stick not recognised Kubuntu 15.04

After formatting my usb stick to ntfs it doesn't get recognised (neither in Kubuntu 15.04 nor in windows 7) This is what I get when I run lsusb (with my usb stick inserted): Bus 004 Device 002: ID ...
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0answers
58 views

Is there an alternative way to install Kubuntu with live usb boot?

I have just downloaded Kubuntu 15.04 x64 iso and made a live USB and live DVD to install Kubuntu in live boot environment. but there is a problem. Plasma is far too heavy weighted and most of the ...
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1answer
525 views

Is there a kde dolphin thumbnail creator for video files that would use built-in thumbnails?

There are some video thumbnailers for Dolphin: kffmpegthumbnailer, ffmpegthumbnailer, etc. However, all of them just extract random frame from the video even if there is a built-in thumbnail in video ...
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1answer
201 views

How to install Texlive on Kubuntu 15.04 (tar.gz)

I hope you can help me. I download TexLive to install it... I went the manual path. The other also doesn't work. (I want the newest Version of 2015) I do the stuff like the Ubuntu wiki say, without ...
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1answer
797 views

Problems with VBox Guest Additions on Kubuntu

After Kubuntu installation I wanted to install Guset Additions (GA). During this process I was informed that my system lack of make, gcc and appropriate headers but graphics module build without ...
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0answers
21 views

my wireless card can't detect any wireless hotspot and wireless network on kubuntu 15.04 [duplicate]

i can't find any wireless connections and wireless hotspot in network manager. i am using kubuntu 15.04 and i never find this problem in my another Linux system. i use toshiba portege-t230 with ...
2
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1answer
141 views

How do I prevent the cursor from going to a monitor that is turned off?

I have a laptop which I connect to an external screen through HDMI, under Kubuntu 15.04. I have this external screen set to be the main screen, and the laptop screen set to turn off when I close the ...
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1answer
425 views

Stuck on logo, cannot install

I have been trying to install Ubuntu on my laptop for some time. I always get stuck on the logo after choosing install in grub2. I can't enter the live environment either. I use a live USB, and an ISO ...
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0answers
77 views

Issues with wifi after installing kubuntu 15.04

When I was on ubuntu 12.04, everything worked perfectly. I'm now on Kubuntu 15.04. When my session starts, wifi is connected for less than a minute, and afterwards it disconnects with no way to ...
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1answer
188 views

Kubuntu 15.04 fails to install along windows 7

Idk if anything else matters, but my motherboard is the Asus Maximus VIII Ranger. It already gave me hell when installing windows 7 and now kubuntu is proving a challenge as well. Booting from a DVD ...
4
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1answer
110 views

Super high resolution but tiny fonts combined with “normal” resolution screen

I've got a dell xps13 with an amazing resolution of 3200 x 1800. At work, I like to use a dual setup with an external 22 inch screen attached to it (this serves as primary screen). I use Kubuntu (so ...
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1answer
146 views

Is there a detailed user's documentation for KDE Plasma 5?

I just installed Kubuntu 15.04 and I can't find a single place with systematic description of all available desktop configuration settings. For example, I was setting Screen Locking Timeouts and I ...
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2answers
367 views

Bind Alt+Tab to a Logitech mouse button on Kubuntu

Note: this is not a duplicate of either this or this, as I will make clear. I have a Logitech Proteus Core mouse. Under Windows 10, I have set one of its buttons (the small one labeled "G9" on top of ...
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1answer
97 views

Unable to boot kubuntu 14.04/15.04 from flash drive

I was trying to install kubuntu 14.04.3 on my laptop, but I ran into some problems and wasn't able to boot it from the flash drive so far. After loading it into the pen with Universal USB Installer, ...
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1answer
215 views

Safely removing *unused* packages

After various linux beginner's experiments my Kubuntu system keeps telling me that there are unused packages that are not needed anymore and that should be removed. This sounds like a good idea to me. ...
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0answers
124 views

Digikam cannot play mp4 video in slideshow

With Kubuntu 15.04 and Digikam 4.13.0, Libkipi 2.2.0, videos can be viewed as preview (click in thumbnail), but not in a slideshow. During the slideshow, only a black screen is shown instead of the ...
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0answers
65 views

Kubuntu 15.04 Installation freezes while running grub-install

I've been trying to install an OS on my HP Compaq2025. This is happening with Kubuntu 15.04 for AMD64 as well as Ubuntu 14.04 for AMD64 before I tired it with Ubuntu. The installation runs properly, ...
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0answers
102 views

Upgrade to plasma 5.4 damages all kontact-related packages

I'm running Kubuntu 15.04 and I've just upgraded my plasma to 5.4, as described here. However now kontact, kmail etc. don't work anymore. I can setup the mail accounts but no email is shown. Moreover ...
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0answers
186 views

Issues while upgrading to plasma 5.4 in Kubuntu 15.04--freezes on boot

I have a fairly recent install of Kubuntu 15.04 that I upgraded to plasma 5.4. There were no errors on upgrading, but I noticed that it didn't fully upgrade. I didn't have the option of the new ...
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0answers
61 views

Wired interface (eth0) ppp failed to start Kubuntu

I have just downloaded Kubuntu. I run it in live mode and it doesn't connect my DSL connection. I have configured it as I did in previous releases. It shows the following error as notification in ...
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1answer
905 views

Editing /etc/grub.d/40_custom

Are there any available methods so that I can edit my /etc/grub.d/40_custom from a LiveCD or such? I really need to edit that file. Thank you.
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0answers
254 views

Cann't install Oracle Java on Kubuntu 15.04

I got a problem try to install Oracle Java 8 or 9. Note: I'm using the WebUpd8 ppa. Removing outdated cached downloads... sha256sum mismatch jdk-9-ea-bin-b78-linux-x64-19_aug_2015.tar.gz Oracle JDK 9 ...
2
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1answer
271 views

Graphic issue 'only' in UEFI mode on Kubuntu 15.x on i5 6600k Skylake

I recently a built a new system with Intel i5 6600k Skylake CPU ASUS Z170 MoBo. Its an UEFI + GPT system with Windows 10. When I booted LiveUSB in BIOS mode it booted but shutdown monitor when ...
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0answers
46 views

Kubuntu 15.04, loads desktop, but no interface

Thought I would give Kubuntu a try, apparently multi screen support is very good OOTB, which I was having all sorts of issues with on Ubuntu Anyways, if I 'Try' from a live USB, or if i install, get ...
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0answers
22 views

kubuntu dolphin trash error

I need major help...I have a Linux Ubuntu running computer. I'm trying to delete my trash folder which at the time of doing so is empty, but it keeps popping up as an error. I tried millions of things ...
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1answer
199 views

Using superkaramba widgets in Kubuntu 15.04

Is there a way to use superkaramba widget in Kubuntu 15.04? Some web pages say that it should be possible but I could not find out how. Since no package "superkaramba" was available I installed ...
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0answers
79 views

Kubuntu 15.04 freezez on wakeup

I have Lenovo Ideapad Flex 10 laptop with Kubuntu 15.04 on board. When I close the laptop's lid, OS normally suspends, but when I open the lid, the system shows black screen with the mouse cursor on ...
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0answers
24 views

Moving Icons to Panel

Cant move icon form launcher to panel in plasma 5 in kubuntu 15.04 like you were able to in kubuntu 14.10. Cannot drag and drop and there is no move to panel by right clicking on the icon.
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1answer
34 views

Wi-Fi adapter not working after installing updates

I'm using Kubuntu 14.04 I recently installed updates (including a kernel update) using the Muon Update Manager. Now my Wi-fi Adapter is not working. I'm hoping some of this output will help: $ sudo ...
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1answer
153 views

Mobile Broadband disabled

Please I need help with kubuntu 14.4. Mobile broadband is disabled and there is no option to enable it because the icon has been greyed out. How do I resolve this?
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0answers
93 views

Kubuntu -> Chrome and Firefox Tab and bookmarks fonts are really tiny

How do you make them bigger? Things I did today. I had a monitor go black today, loaded nvidia management to correct this problem, also adjusted monitors via window management. Not sure if those ...
0
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1answer
156 views

Muon Discover fails to find Wine

Well, this is a beginners question. I am using my first personal Linux installation running Kubuntu 15.04. There have been several software packages I couldn't find using Muon discover. In most cases ...
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1answer
57 views

my ubuntu 15.04 crashed and I made it worse, but that is not the question

Background, my ubuntu will only boot up to command line. I tried everything to make it go graphical but it just would not work. I gave up after trying to do things I found on forums for two days and ...
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0answers
67 views

Installed Kubuntu now Chrome and Firefox fonts are chunky

I installed Kubuntu/KDE on my 15.04 install to see what it was like, and now my fonts in Chrome, Firefox, Filezilla, VLC, and a few others are this KDE-looking squarish, blockier font. It's not like ...
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0answers
95 views

Why does my computer restart/log-out when I turn my tv off then back on kubuntu 15.04

My set-up is Asus eb1505 Intel HD graphics w/dual core Intel celron processor connected to a Sony Bravia HD TV. When running Windows 8.1 had no issues with turning power on and off to TV. After ...
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0answers
56 views

KDE-theme is not showing in some programs after updating linux-headers

It seems my Kubuntu 14.04 LTS doesn't show the KDE themes (using Oxygen or QtCurve) in some programs (gnumeric, kazam, giggle, synaptic...) after updating the linux-headers. However, the KDE-theme ...
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0answers
85 views

Unable to start KDE on Kubuntu

Today I started my computer and I sudently had to follow a wizard to set the timezone, the user account and the keyboard layout. It restarted automatically and after that, nothing :/ I have the ...
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0answers
24 views

Do I need to install antivirus on my linux system? [duplicate]

Am new to kubuntu and this is my first post in this forum. Do I need to install antivirus on my linux system? I hear people say linux-base is more secure than windows. Does that mean I should not ...
1
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1answer
424 views

Kubuntu 15.04 very slow despite very high CPU usage for every task

It seems that every task that is run on my system uses an excessive amount of CPU power. Monitoring CPU use via conky or top, opening a page in Firefox or searching for something in google suddenly ...
0
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1answer
182 views

KDE's gui network manager can't connect to DSL using pppoe

I've tryed many linux distros with KDE (deb/rpm-based), there are always this problem. I have not a modem. There is no problem with connection with pppoeconf, but I wish do it using GUI. Would also ...
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4answers
5k views

Flickering in KDE Plasma 5.4

I am facing flickering in KDE Plasma 5.4. Flickering stops when I change Compositor Rendering Back-end To OpenGL 3 and then change again to OpenGL 2. OS: KUbuntu 15.04 Graphics: Intel HD 4000
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2answers
468 views

Dell Vostro 1510 WiFi Problem

I have an old laptop,Dell Vostro 1510. I needed to install Kubuntu 14.04.3 on it. It doesn't recognize the wireless. I entered: lspci -nn | grep 0280 in a terminal, as @chili555 suggested in ...
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0answers
32 views

Kubuntu Wi-Fi problem

I have a HP desktop running Kubuntu 14.04. The first time I used it, it connected easily to the house WiFi. Now though, it keeps asking me for the password and won't connect. I got 4 notifications. ...
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0answers
100 views

Kubuntu 15.04 change login screeen resolution

I have 1280*1024 monitor. Login screen looks like for widescreen monitor and extended behind right monitor side. "Display configuration" doesn't affected this screen. Anybody knows how change ...