The official Ubuntu derivative using the KDE Plasma Desktop

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After I installed Ubuntu on HDD and rebooting i into it, my PC can no longer find any OS

So I started by installing xubuntu, it worked fine on my laptop accept that the network didn't work, I then tryed with Kubuntu and the same happens. After a while i tryed the original Ubuntu 15.10 but ...
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1answer
7 views

Virtualbox Seamless mode grayed out

I am running Kubuntu 14.04 LTS on a Windows 8.1 host, and I am trying to get it to work with seamless mode. Using latest version of VirtualBox. I have guest additions installed on the guest, and when ...
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5 views

TAB key indents entire row instead of only text right of cursor

The TAB key is giving me unexpected behaviour in the text editor Kate on Kubuntu 14.04.3 LTS: Action Press TAB key. Expected behaviour Everything to the right of the cursor indents. Actual ...
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10 views

Login to desktop environment only for some users

i have a system with kubuntu on it and two different desktop environments. Is it possible to restrict the login for one of the two environments for a special user group? Like users of the group ...
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23 views

Digital Clock Issue in Kubuntu 15.10

I am new to Kubuntu and I have an issue with the Digital Clock Widget. First things first: I did install NTP datetimectl does say NTP Sync Yes and the Local Time is correct as well ...
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13 views

Brother MFC-J825DW on WiFi network receiving print queue but not printing

My Brother printer is not printing from my Laptop with Kubuntu 15.10 installed. When I tried printing a test page, the printer shows in settings 'Data file sent successfully'. The printer screen shows ...
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1answer
16 views

How to set up systemd after failed upgrade

I recently upgraded Kubuntu via update manager from 14.04 to 15.10. Apparently a bad idea. I can now only get a loggin screen. Startx results in: (EE) Fatal server error: (EE)could not create lock ...
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14 views

Trackpad not being detected after re-opening laptop (Kubuntu 15.10)

I recently installed Kubuntu 15.10 on my Dell XPS 15Z laptop. My touchpad works just fine when I first start the laptop, however when I put the lid down and put it back up later, the trackpad does ...
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13 views

KDE - “/media/dev/path is a folder, but a file was expected” error

I have a Kubuntu 15.10 installation (fully updated). Sometimes when I try to copy some files/folder the OS throws "/media/dev/path is a folder, but a file was expected" error. Screengrabs (Click on ...
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13 views

Shift + numeric keypad prints number (with NumLock off)

Since Lenovo have decided to place the Home and End keys in unreachable locations on my Thinkpad, I use the numeric keypad for these. With NumLock off, 1 = End and 7 = Home. One typical use for this ...
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2answers
69 views

VLC video playback is trimmed and blacked out

I am using Kubuntu 15.10 and recently I have updated the version to the latest backport version. But soon after the update VLC has started making weird output. VLC is cropping out the video and the ...
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11 views

I can't unmask a service on Kubuntu Wily 15.10

I'm using Kubuntu Wily 15.10 (fully upgraded). It already had installed the cryptsetup package. I'm trying to start the cryptdisks service but I get this: $ sudo service cryptdisks start Failed to ...
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2answers
44 views

How disable second disk on laptop?

I have Kubuntu on SSD (first) disk and also HDD (second, instead DVD-ROM) disk on my laptop. The second disc I use rarely. When my laptop is turned on, it does not emit any sound, but HDD peeps ...
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1answer
21 views

Kubuntu: Second monitor not detected correctly

After a recent update, my second monitor is not detected correctly anymore. It is displays a copy of the first ones content. Strange is that it appears to be detected correctly on the login screen: ...
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16 views

Unable to launch RStudio from launcher in Kubuntu 15.10

Hi I have a problem with launching RStudio (latest stable release 0.99-xxx) from the Kubuntu launcher, by clicking on the entry. Background: I moved from Kubuntu14.04lts to 15.10 for the plasma5 ...
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14 views

System unbootable after editing rc.local

I did the following cause i wanted to activate rc.local in my Kubuntu 15.10 System sudo systemctl edit --full rc-local i added, cause i read it in a guide: [Install] WantedBy=multi-user.target ...
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8 views

Kubuntu 14.04 Wifi [duplicate]

After installing Kubuntu 14.04 my computer dont seem to be able to detect any wifi at all. Internet works with a cable. I got a Broadcom Corporation BCM4313 Driver
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23 views

Installation of Gparted on SSD [closed]

After a successful Kubuntu installation, I am unable to see all the hdd's (OS installed on SSD); and Gparted was suggested to me by someone with infinite patience and toleration of newbie questions. ...
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1answer
20 views

How to select frequency band with dualband wifi adapter?

I just had my 8812au dual band wifi adapter (TP-Link AC1200) working under by Kubuntu 14.04.03. I can see it's listening to both 2.4GHz and 5GHz frequency bands: [Uqbar@Feynman ~] iwlist wlan0 freq ...
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1answer
21 views

Auto-installing Ubuntu next to Windows on a separate hard drive? [duplicate]

I want to install Kubuntu on a computer which already runs Windows 7. For this purpose, I have installed an additional empty hard drive (the drive containing Windows is fully partitioned and should ...
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18 views

Screen locking and energy saving does not work when using ethernet connection

I have Kubuntu 15.10 installed on three computers, and on all three computers, I have "Screen Energy Saving" and automatic screen locking enabled in the system settings. On desktop 1, both screen ...
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1answer
22 views

Can't change Theme Kubuntu

I have tried to install Kubuntu 15.10 and Ubuntu using the netinstaller, everything is working fine. The problem is, KDE uses only one Theme, which is the GTK+ theme. Meaning I can't change them ...
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23 views

Grub repair for encrypted disk

I previously had Kubutu (14.04 i think) installed with an cryptoLuks encrypted hard disk. I have been trying to install 15.04 on the same drive. The install went ok with no errors but I wasn't able to ...
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26 views

Kubuntu 14.04 not loading lightdm after update

After updating my Kubuntu 14.04 setup yesterday, the computer now stops booting before the login manager pops up. Pressing the Esc key reveals that the lightdm manager is failing to load for some ...
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21 views

internet works fine for few minutes but stop after a minute

I just installed Kubuntu on y HP pavillon 15-p088ca and everything was all right since my Internet stopped responding. I tried to ping localhost : everyting was fine, try ping google.com : nothing... ...
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28 views

Black screen after logo loading in Kubuntu [duplicate]

I got black screen after logo loading in Kubuntu. What may possible issues for this error? After logo glowing i got splash for one second of console with root@pc line and black screen just after ...
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19 views

inkscape tooltips unreadable

I am running inkscape on kubuntu 15.10 and the tootips are unreadable. The are white on a light gray background. Everything is quite vanilla. Is there a fix? Or a configuration setting? Thanks. ...
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10 views

How can I change key bindings in GwenView permanently?

For reasons that are beyond me, authors of GwenView thought some of most useful functions should be accessible through control+key, even if the key alone is never used in that app. I'd like to bind ...
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1answer
15 views

Can't get my Belkin N150 wireless adapter to work, stuck on “setting network address”

I have installed Kubuntu 15.10 and everything is great, aside from the fact that I just cannot get my Belkin N150 Wireless USB adapter to connect to my wifi. It shows my Network, but when I try to ...
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1answer
26 views

Ubuntu 15.10 - some mouse events register only after movement or 1 second delay

My Logitech wireless mouse behaves oddly with Ubuntu 15.10. The mouse scroll and left click event gets registered in the below cases: - immediately IF moving the mouse (even for one pixel). If not ...
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1answer
18 views

Password required to suspend in Kubuntu after the latest upgrade

Looks like something broke PAM yet again. Kubuntu with the Backports PPA asks for my password instead of suspending after a period of inactivity. Anyone found the reason and/or a workaround yet?
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34 views

Kubuntu 14.04 stuck on splash screen

I can operate the terminal normally with Ctrl+Alt+F1, but Ctrl+Alt+F7 is stuck on the boot splash screen. I have 2 AMD Radeon 7850 graphics cards and I'm using the proprietary drivers, so maybe ...
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20 views

bluetooth comes on automaticaly after resume

I've updated kubuntu to the latest version a few days ago (on my dell xps13 2015). I notice that bluetooth comes on automatically after each power suspend. I want it to stay disabled. I keep ...
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16 views

Why is there an additional desktop screen on logout?

Using Kubuntu 15.10, upon logout when Kubuntu-Desktop disappears there remains all the contents icons from the Desktop Folder (widget?) on an blank Unity magenta-colored background. Then it finishes ...
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33 views

screen artifacts in kubuntu 15.10

Experiencing following issues: screen artifacts/flickers when minimizing/maximizing. restarting plasma doesn't fix the issue. gui sometimes freezes and computer must be rebooted. I have been ...
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1answer
22 views

Clean Kubuntu uninstall/Win10 install

Im using Kubuntu only,my hdd has mounted 400Gb to file system and i cant unmount it to creat new partition so i can boot from windows cd.I want to uninstall completly the Kubuntu OS and install ...
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5 views

Kubuntu, Flex mode ram and intel graphics

I'm running Kubuntu 15.10 and I have a Gigabyte GA-G41M-Combo. I'm using the integrated Intel graphics. I'm trying to use a 4Gb ram stick and a 2Gb (different speeds). Both memories work fine by ...
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40 views

Touchpad disabled upon startup and login on Kubuntu 14.04

Been looking for a few months on how to fix this and haven't had any success. I have also noticed that along with being disabled upon login, and after startup, the touchpad will also be disabled ...
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1answer
17 views

How to Stop KDE Migration Agent Popping Up at Login? (Kubuntu)

Every time I reboot or login before the login animation progress bar has even finished KDE Migration Agent pops up asking for my password. How can I stop this from happening?
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14 views

Updated Kubuntu 15.04 today and now no KDE menu, I can start things from terminal if I remember their name

For example I can type dolphin in the terminal, and my session starts up with my fav apps, but I have no KDE start menu and no bar down th ebottom of my screen, I can alt-tab through open apps. alt- ...
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2answers
58 views

Cannot log in after upgrade: xcb plugin missing

I have Kubuntu 15.10 with kubuntu-ppa/backports and kubuntu-ppa/ppa enabled. Yesterday some updates came (5.5.3 I guess). Now I cannot log in: .xsession-errors This application failed to start ...
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1answer
27 views

KDE 4 to 5: ServiceMenus moved directory - where to?

I defined a lot of .desktop files to create context menu entries in Dolphin. Since upgrade to Kubuntu 15.10 (KDE 5) the menu entries disappeared. I found out that KDE 5 moved the place where to store ...
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1answer
56 views

How can I install KDE 4 on Kubuntu Wily 15.10?

I recently upgraded to Kubuntu 15.10 from 14.04 LTS, and have found that KDE/Plasma 5 has too many bugs and I would like to use KDE 4 again. But I want to keep the rest of Kubuntu 15.10 and all the ...
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1answer
17 views

Problem with access in directories

I am using Kubuntu alongside Windows 10. I've done it by shrinking a free space and installing the Kubuntu on it. Now I want to use commands like cd on Windows' partitions but it doesn't work and the ...
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12 views

Switch default file manager system wide on kubuntu

I have installed the 14.04 version of ubuntu-server, and installed the kubuntu-desktop package overtop of it, for the purposes of using a remote desktop client. I would like to change the default file ...
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4 views

Desktop Effect Won't Uninstall in Kubuntu

I wanted to see what new effects were available for Kubuntu. I found one called "cool effect" and tried it out. Now that I've decided I don't want it I click "Get New Effects" at the top right and ...
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20 views

Krunner in Kubuntu 15.10 displaying obsolete option

My problem is more of an annoyance but I still would like an answer for it. I am running Kubuntu 15.10 and have LibreOffice 5.x installed from the LibreOffice ppa and have uninstalled the default ...
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2answers
66 views

AMD Drivers Kubuntu 15.10

Using Kubuntu 15.10 kernel 4.2.0 generic 23 with AMD HD 4xx series GPU. http://support.amd.com/en-us/download/desktop/legacy?product=Legacy2&os=Linux%20x86_64 Here says that this driver supports ...
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21 views

Dolphin File Manager will not Launch

I have KUbuntu installed on my PC, The Dolphin file manager that came with the OS will not launch all of a sudden. Below is the error message I get, I spent a day trying to correct it. But alas I'm a ...
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1answer
110 views

How to configure rtl8723be to detect wifi networks (solved for HP laptop)

This condition is associated with: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1240940 I am using a rlt8723 wifi card with Kubuntu 15.10. The card is configured as shown: ifconfig: ...