The official Ubuntu derivative using the KDE Plasma Desktop

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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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7 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
31 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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8 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
29 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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9 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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9 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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12 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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20 views

Installation of Gparted on SSD [on hold]

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
16 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
18 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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15 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
17 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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16 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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24 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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18 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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18 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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8 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
23 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
17 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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31 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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31 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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36 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
13 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
51 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
23 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
48 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
16 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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2answers
123 views

add a commandline synthesis engine to jovie (text to speech for KDE)

I want to be able to read out aloud PDFs in Ubuntu. I currently use the Okular PDF reader. After installing Jovie, I was able to read out aloud my PDFs in Okular. However, I find the the speech ...
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19 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
60 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
102 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: ...
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17 views

Kubuntu messed up my computer

Im running lubuntu and I decided to try kde so I typed in sudo apt-get install kubuntu-desktop But after rebooting it messed up my computer I was able to fix xorg so I could boot into graphics and ...
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12 views

Digital clock widget on Kubuntu 15.10 partially off-screen

I'm using Kubuntu 15.10, on Plasma 5.4.3, KDE 5.15.0, and Qt 5.5.1. I have the digital clock widget, set to display date and time, on the upper-right corner of my screen (on a panel that borders the ...
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16 views

Kubuntu 15.10 download keeps getting stuck at 1.27 GB?

Is anyone else experiencing this problem. My download keeps getting stuck at 1.27GB/1.30GB. Have tried downloading like 4 times already from the official mirror.
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39 views

Dropbox disapearing from system tray after unplugin from second monitor

I am running kubuntu 14.04. Dropbox works fine, and there the icon (with sync status) appears in the system tray. I have a second monitor, which also has a kde panel on it (no system tray in this ...
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11 views

Wifi driver crused Kubuntu on MacBook pro

I have installed Kubuntu 14.04 as secondary system to OS X on MacBook Pro (Retina, 13-inch, Early 2015). I was using refit software and live usb with Kubuntu, created on different computer with ...
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50 views

[Kubuntu 15.10][KDE 5.15.0] How to handle the removable media?

In previous Kubuntu/KDE version there was a way to intelligently handle removable media. I could configure which media automount and when based upon it label. Now I cannot see how to do it with the ...
0
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1answer
30 views

Unable to install qt5.5 from git in Kubuntu 14.04.3?

I tried to install qt5.5 from git and after doing the following git clone git://code.qt.io/qt/qt5.git -branch5.5 cd qt5 ./init-repostiory ./configure I am getting the following error: You ...