The official Ubuntu derivative using the KDE Plasma Desktop

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The default classpath for java does not work after reboot

This is sort of a follow-up to the question "Javafx is not on the default classpath even with Oracle JDK 1.8" After I did the fixes described in the linked question I could run and compile Java ...
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15 views

Windows top left corner of screen

Yesterday I installed Kubuntu 14.10 and it was working fine. After system update the windows of the applicationas (e.g. Firefox) open at top left corner of screen covering also the task bar (as I ...
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Sound Not Working Kubuntu 14.04 kernel 3.13.0-48-generic

Sound just stopped. Was working for a couple of years. I get a intel boot up tone. Sound works in windows. I looked at No sound in Kubuntu 14.04 Following advice here: ...
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2answers
46 views

How Do I Fix This Boot Issue [on hold]

I got elementary OS on a netbook, but elementary OS was too slow. Therefore, I installed the Kubuntu desktop theme because I thought it would be more light weight. Unfortunately, the keyboard layout ...
2
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1answer
23 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
12 views

Kubuntu 14.10 Ctrl+Alt+F1 causes screen to go blank

I need to install my Nvidia driver. In order to do that I need to stop X server. Stopping X server sudo service lightdm stop makes my screen go blank. Trying Ctrl-Alt-F1 first makes my screen go ...
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1answer
26 views

Where can i get safe Nvidia driver to laptop

I tried to install GPU(GT 635m) driver on my linux(kubuntu), but last 3 times update are failed. Because after reboot i get black blank screen and haven`t ability to repare video drivers. When i ...
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10 views

KDE keyboard options (like ctrl:nocaps) stop working randomly

edit: turns out my keyboard was disconnect/reconnecting. KDE is supposed to handle that, but it isn't. reported as https://bugs.kde.org/show_bug.cgi?id=346336 I'm using Kubuntu 15.04 (kde ...
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1answer
15 views

Whitelist for migration of kubuntu configuration files

I am looking into migrating from kubuntu 14.04 which has KDE 4 to a newer version which has Plasma and Framworks 5. My previous experience is that it is no good to copy all user configuration files ...
2
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1answer
14 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
97 views

How do I stop the screen from being locked on resume on Kubuntu/KDE?

Per How do I stop the screen from being locked on suspend? I want to be able to sleep and resume without the screen locking. All the previous answers seem to involve fairly Gnome-specific things that ...
2
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2answers
35 views

Malformed line 57 in sources.list and it doesn't let me open the file to edit it [duplicate]

I tried to add a source to the source.list but I pasted it wrong I added an URL. I wanted to open Muon Discover (I use Kubuntu) but it didn't let me do it. This is my sources.list so please take a ...
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1answer
27 views

Backing up the whole (K)Ubuntu system [duplicate]

There is a fault in the dedicated graphics card, and so my laptop is almost unusable. I am thinking of getting it fixed in the warranty. However the only problem is that Dell's complete care warranty ...
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9 views

Kubuntu 14.04 - How to configure sound device for Youtube videos?

I am listening to music while working on my laptop computer with Kubuntu 14.10. The music is played on external speakers connected via bluetooth, which works fine. I also noticed the notification ...
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0answers
26 views

Network folder access

I am new to Linux so there are quite few tasks that are new to me. First I am using DSL connection and wire is connected to wireless router and that is how we connect to internet at home. But if I ...
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0answers
21 views

Can`t reinstall mysql on kubuntu

Every time I try to install MySQL I get Setup package mysql-client-5.5 (5.5.41-0ubuntu0.14.04.1) … Setup package mysql-server-5.5 (5.5.41-0ubuntu0.14.04.1) … 150415 15:35:15 [ERROR] Can't find ...
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0answers
9 views

Can't see tool bars after installing kubuntu-desktop

I installed Kubuntu desktop with: sudo apt-get install kubuntu-desktop sudo apt-get purge unity unity 2-d sudo reboot And after rebooting all of my tool bars have vanished and I can't seem to ...
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9 views

Change to external tv screen from asus eee notebook

I installed kodibuntu on asus eee notebook. Now I want to watch on a tv screen 42". I connect a vga cable between them. There is no hd slot in the notebook. For some reason, as you can see on the ...
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0answers
14 views

Cannot scan after plugging USB scanner into running system, reboot required

I am using an Epson Photo Perfection scanner with Ubuntu 14.04 LTS. I have installed the Linux drivers successfully but I still have the following annoying problem. I cannot use the scanner when ...
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1answer
25 views

Where are the mouse cursors located?

Which is the folder where mouse cursors are located in Kubuntu? I would like to know the full path of the folder?.
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1answer
33 views

installing drivers to kubuntu without internet

How can one install drivers to Kubuntu without any internet access? Every guide to installing drivers that I've seen online requires an internet connection. But how would one go about finding the ...
2
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1answer
24 views

KDE Network Manager Notification Options Not Available

KDE Network Manager is suppose to have notification options for Connection Activated or Deactivated are missing here. I am on Kubuntu 14.04 LTS fully updated. You can see in the picture that some of ...
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15 views

Why do I have excessive hard disk activity after using Kubuntu 14.10 for about 10 minutes?

Even just opening several web pages and checking email for about 10 minutes causes the hard drive light comes on solid and I'm done for ~ 5 min until the light goes out. I have a few years old Dell ...
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1answer
31 views

Dual booting kubuntu and windows 7 on two computers

I am new to linux, but loving the ride! Here is my goal and what I have to work with 1 laptop with a 120gb HDD 1 PC with a 120gb SSD, ~2tb between 2 HDDs and multiple external drives The latest ...
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19 views

How to increase Locked Memory size in Kubuntu?

I am trying to run Ardour in Kubuntu and I get this error: Your system has a limit for maximum amount of locked memory. This might cause Ardour to run out of memory before your system runs out of ...
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18 views

Cisco Aironet 350 WPA firmware

Im trying to get a Cisco Aironet 350 WLAN card to work with Kubuntu 12.04. My wireless AP uses WPA for its security. How do i go about updating firmware for this card? EDIT: Before i start i should ...
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1answer
36 views

Running a windows screensaver via wine [duplicate]

I'm trying to get Free Fire Screensaver to run on my Kubuntu 14.10 machine. I've managed to install it under wine and now have an .exe file to start the fire effect (which works exactly as it should, ...
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4answers
97 views

Broken fonts in KDE (Kubuntu 14.10)

From time to time I experience a very strange bug: Fonts are broken not only in Firefox, but in the whole KDE environment. What can I do to fix it? UPDATE #1 Installed Kubuntu from scratch and ...
0
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1answer
14 views

does kubuntu have a /home/ubuntu

Does kubuntu have a /home/ubuntu directory or a /home/kubuntu directory? if it has a /home/kubuntu directory, is it possible to rename this to /home/ubuntu without negative side effects? Sort of ...
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0answers
52 views

Move icons on Kubuntu 15.04

There is no unlock button like here. Sorry, full screen. Left top corner.
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0answers
15 views

Update from 14.04 to 14.10 NO LOGIN SCREEN

So i updated ubuntu (kubuntu) to 14.10 just now, i am in desperate need to get it to work. I cant login. No login screen is showing. Just a blank screen. I have done everything possible (shell, root ...
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9 views

Kubuntu does not accept my WPA-Enterprise credentials / resets them

I have set up a FreeRadius server on a RaspberryPi which is connected to a WLAN-Access Point. I want to log in to the Wifi now, but everytime I enter the network credentials and the CA-Certificate the ...
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5 views

Kubuntu: saving VPN password

I'm attempting switching from xfce to kde in a xubuntu system. Everything works quite well. However, I have a VPN (PPTP) setup configured in the xfce interface. After the switch, it still works but ...
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20 views

folder with IP address for name in Documents folder

I'm using Kubuntu 14.04, with the latest updates. I have two user accounts set up on this machine: richard & me. I was in richard and using Dolphin to look for a file in me. I noticed a folder in ...
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18 views

How to launch programs on external display on Kubuntu 14.04 by def?

I set my external monitor as a primary display and almost all runs as it's supposed to. Every software I launch, shows on laptop screen by default (which reads as a secondary display). It was the ...
0
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1answer
16 views

Terminal error output RE: editing .conf file in Xbuntu [owned by uid 1000 istead of 0]

Was curious as to the terminal error output from running sudo Kate. I read in a forum that directed me to open my notepad using gksudo. Realizing that this had not been installed I just went ahead and ...
0
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1answer
74 views

Blank screen during boot with open radeon drivers

Right after the grub boot screen I get a blank screen and my monitor goes to standby with "No signal". But after some time the graphical login screen sddm will appear and I can log in and use KDE just ...
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0answers
9 views

can't set kubuntu encryption passphrase

When kubuntu (14.04) starts it asks me to set passphrase, I click "run this action now" it opens konsole, asks for passphrase, I enter it and... nothing happens. Konsole still is open and nothing ...
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23 views

Why doesn't GTK_THEME=theme_name app_name changes theme in Kubuntu 14.04?

deja-dup crashes if used with oxygen-gtk3 theme. One of the easiest ways of changing themes of GTK3 apps is by using the GTK_THEME=theme_name app_name command line flag. It works on Fedora but doesn't ...
0
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1answer
131 views

nvidia 840m driver problem with kubuntu 14.10

I'm having some trouble installing the 346 driver on Kubuntu 14.10. After I followed this tutorial and after I reboot the system (without anything saying that I must do that after installation), It ...
0
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1answer
52 views

How to keep all linux kernel packages on Kubuntu 14.04?

I'm running Kubuntu 14.04 on my private laptop. When the package system updates my Linux kernel it removes the old packages, only keeping the 2 newest versions of the kernel images (and associated ...
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0answers
45 views

RealTek RTL8821AE under Kubuntu

I've just bought a Gigabyte Brix pro to make a small portable NAS. I've installed Kubuntu 14.10 on it. Unfortunately I've got some trouble with WiFi. Its on RealTek RTL8821AE chip. When I look at the ...
0
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1answer
26 views

Gamepad on VisualBoyAdvance not working

I installed visualboyadvance/visualboyadvance-gtk (gvba) on my kubuntu (utopic) and tried to assign the buttons and DPad to the Jostick1, but it doesn't work. The gamepad itself is working fine (KDE ...
0
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1answer
103 views

Downgrade from KDE 5 to KDE 4 [duplicate]

How do you downgrade from KDE 5 to KDE 4 or downgrade from Kubuntu 15.04 to Kubuntu 14.10. KDE 5 has been giving errors since I installed it, now I want to downgrade it.
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0answers
48 views

HP Z8000 bluetooth mouse not working on Kubuntu 14.10

Just got a HP Z8000 bluetooth mouse and I'm not able to make it work with my system. I'm able to pair the device but it appears as "Type : Unknown" and obviously it doesn't work at all. I tried to ...
0
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0answers
18 views

2 OSes on 1 usb stick

I want to keep close to hand 2 official Ubuntu distributions: Kubuntu and Xubuntu. I managed to install only one of them in my usb stick (Xubuntu) using unetbootin. But I'd like to keep Kubuntu too on ...
2
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1answer
29 views

Kubuntu 14.10 create password protected archive

I installed Kubntu 14.10 and when trying to create a new rar or 7z arhive, I see no option of adding a password to protect the file. What should I do in order to have this option from dolphin menu?
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1answer
26 views

Is there a way to start the screensaver by clicking on something?

I am unable to suspend my Kubuntu 14.04.2 laptop because when I wake up from sleep mode the KDE doesn't function. So instead of putting my laptop to sleep, I just let the screen turn black after 10 ...
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0answers
25 views

Muon Discover toolbar has disappeared

I am running Kubuntu 14.04.2, and have Muon Discover as my package manager. I accidentally right clicked the tool bar and toggled "Show toolbar" off, so now my toolbar is disappear. I want to get it ...
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0answers
30 views

Log In Issue in GUI on Kubuntu 14.10

I got some Log In Issue on my Laptop with Kubuntu 14.10. I had that Problem before and tried a Reinstall, but it just happened again after it. When I try to Log in on the GUI, the Monitor just switch ...