The official Ubuntu derivative using the KDE Plasma Desktop

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Kubuntu 16.04 Lost Dual Monitor Capability

new to Kubuntu and relatively new to Linux overall. I installed Kubuntu 16.04 on Desktop with add-on Radeon HD 5850 GPU. I'd previously used this exact hardware to run dual monitor. I plug a DVI (my ...
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1answer
11 views

Kubuntu: kscreen: Primary output changed from KScreen

My friend have Kwin problem random times. The window graphic (bar, title and buttons) disappear. Kwin replace methods not solve the problem. Strange Syslog informations to help below. I need more ...
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15 views

Error on librados when trying to install qemu-kvm

I am trying to install kvm on Kubuntu 16.04 64-bit. I am following this documentation. When I try to install qemu-kvm with the following command given in the documentation: sudo apt-get install qemu-...
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2answers
22 views

Unity not loading after uninstalling kubuntu

I installed kubuntu to see what its like, hated it and wanted to go back to unity. So i uninstalled it. The problem now is that I dont seem to get unity running. Booting always hangs at a list with ...
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1answer
9 views

How do I change startup sound in KDE Plasma?

It's nice that KDE Plasma plays sounds on startup, but that awful click sound (or whatever they call it) is annoying. Anyone know how to change the startup sound in KDE Plasma?
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1answer
19 views

duplicate menu items in GRUB [duplicate]

Just installed Kubuntu 16.04 last night, only to have it not include my Windows partition in GRUB. So I ran BootRepair and what happens next? My Windows partition comes back, but I now have duplicate ...
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0answers
40 views

Laptop getting too hot after installing kubuntu-desktop in ubuntu 16.04

I installed kubuntu-desktop 2 days ago and now my laptop is getting very very hot within 15 minutes even if i only run my browser. This problem remains even when i log in to unity. I have been using ...
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1answer
14 views

How to start another user session from CLI on SDDM?

Currently the only way I know of is KDE lockscreen, but I also use openbox sometimes and while doing so have no way of starting a second user session.
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14 views

How to set Jalali calendar in kubuntu 16.04?

In earlier versions of Kubuntu I can set custom calendar for the whole system but now I can't find it . How can I set Jalali calendar in Kubuntu 16.04?
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14 views

Kubuntu KDE crash on unplugged monitor

I got a medion laptop computer running on Kubuntu 16.04. I was working on an essay, so I plugged my TV in as secondary screen. Now I wanted to simply take the laptop to my bed to watch a movie and as ...
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31 views

System Requirements for Running Kubuntu 16.04

I have an 5 year old acer-aspire-5733z computer which runs ubuntu 16.04 now. I saw something amazing in KDE and now I want to install Kubuntu 16.04 in it. I saw the system requirements for Kubuntu and ...
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1answer
21 views

Can I install Kubuntu on a system having Lubuntu without affecting my files?

Sorry guys if the questions sounds a bit premitive. But i am very new to Ubuntu plus I dont have hat much knowledge about all these things related to computer. Laptop: Dell Inspirion N5010 OS : ...
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18 views

After upgrading my kubuntu to 16.04 black screen is displaying

After upgrading my kubuntu to 16.04 black screen is displaying.kscreen is already installed.i m only getting a console.what to do?
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30 views

Update message in Kubuntu 16.04

In the Kubuntu KDE update program "Entdecken" (discover?), when new updates are available, there is a general description of the program but i cannot find the update message, showing what the update ...
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28 views

Problem with wifi (iwlwifi)

My wifi connection has some problem: when I first boot and login to KDE it is connected to my wifi modem automatically and when clicking on the network-manager icon it display all the wifi Access-...
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2answers
125 views

Can I get Ubuntu Software on Kubuntu 16.04?

I am trying out Kubuntu 16.04 moving from Ubuntu 16.04. And I am wondering if it is possible to get the NEW Ubuntu Software Center on Kubuntu 16.04. I know that you can download the old Software ...
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12 views

Kubuntu 15.10, Virutalbox - export stops

I'm running a Ubuntu 14.04 Guest OS on a Kubuntu 15.10 Host (don't ask, not my idea). Both are 64bit systems. Now, I'm trying to export the VM so it can be copied to another host. However, the ...
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28 views

16.04 Laptop Keyboard freezes on Lid Close, how do I get it back?

Asus laptop with i5-3230m cpu. Everytime I close the lid the keyboard locks. The only solution I have found is to hibernate, which is really just a quicker reboot. Is there anything I can do to ...
3
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1answer
26 views

Where to change how xdg-open opens urls? sync with kde-open?

kde-open "http://askubuntu.com/" is nice, and opens the URL in my webbrowser but xdg-open "http://askubuntu.com/" opens the link in my texteditor :-( I know where I find the file-association in ...
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1answer
20 views

How to remove gap around maximized Emacs frame on KDE4

I am using Emacs (24.3.1) on Kubuntu (Ubuntu 14.04 with KDE 4.13.1). On startup I maximize my Emacs frame with this command in my init.el: (custom-set-variables ... '(initial-frame-alist (quote ((...
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2answers
62 views

ssh-tunneled SOCKS proxy connection refusals on Firefox 47.0 / Kubuntu 16.04

I am having difficulty making connections to websites using Firefox over a tunneled SOCKS proxy. SOCKS4/SOCKS5 makes no difference. I set up the tunnel with ssh -D 1234 id@remotehost.example.com ...
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0answers
23 views

Resolution of the screen suddenly changed

Why Kubuntu has suddenly changed the resolution of the monitor? from the moment of the installation until today it had interpreted well the size of the wide-sceen monitor, but then suddenly it has set ...
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0answers
20 views

Problems with Dutch translations

I installed Kubuntu 16.04 in Dutch. When starting the first time I got the message "can not start Plasma 5". I found a solution in Kubuntu 16.04 Plasma can not start after fresh install There it is ...
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1answer
43 views

Service not avaliable Unity3d error in Kubuntu

I'm trying to use Unity3d in Kubuntu, but I'm getting this error: Service not avaliable, please try again later. I've found this post: Certain systems may experience "Service unavailable" errors ...
1
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1answer
30 views

Kubuntu Krunner invisible after undocking

I'm running Kubuntu 16.04 LTS 64-bit on a docked PC with 2 external monitors, 3 total. When I boot up in the dock everything works perfectly well, but when I undock Krunner turns invisible. With that ...
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51 views

NFS between CentOS and Kubuntu

I have a CentOS 6.8 server (192.168.2.101) and Kubuntu 16.04 (192.168.2.12). I followed this tutorial https://www.digitalocean.com/community/tutorials/how-to-set-up-an-nfs-mount-on-ubuntu-14-04 as I ...
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11 views

Logitech C720 Webcam microphone not working

I have a Logitech C720 Webcam with an integrated microphone. The webcam works perfectly, however the microphone does not. lsusb obviously detects the device, because the webcam works, and the device ...
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17 views

Korganizer time zone

How to force Korganizer to use 24 hour clock format. I set Region to Poland. I set Translations Preferred Languages to American English. Time on the panel is in 24h format but in Korganizer it's 12h.
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15 views

My 16.04 laptop just logged me in as root without a login screen

After boot, my laptop on up-to-date kubuntu instantly went to the desktop loading screen without asking for any passwords. Turns out it had logged me in as root automatically. I have not set a ...
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1answer
20 views

Lag in Kubuntu - Config fstab correctly?

I use Kubuntu and have a partition with NTFS format which contain old data from previous version Ubuntu. I configured fstab to mount it: /dev/sda6 /home/stun ntfs permissions,uid=1000 0 ...
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69 views

Diagonal Tearing (Kubuntu 16.04)

The question has been asked before here, but with no response: Diagonal Screen Tearing Ubuntu 14.04 64-bit Intel Skylake Integrated Graphics (I'm asking again because I can't comment on it.) The ...
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0answers
45 views

Where is Wacom Settings on Kubuntu 16.04?

Two years ago I tried to upgrade from Kubuntu 14.04 to 15. But my Wacom tablet (an Intuos 5 Pro touch) couldn't be calibrated, neither map buttons, neither turn on/off touch, neither map to screen. I ...
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1answer
70 views

How to hide grub unless key is pressed?

I have 2 OSs Windows 8 and Kubuntu 16.04. Kubuntu is my primary OS. I would like my laptop to boot directly into Kubuntu, unless I press SHIFT key during boot to make Grub menu visible. Again. I want ...
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18 views

How to downgrade plasma 5.6.4 to 5.5

I installed via the backports ppa but experiencing pretty much bugs. Is there any way to downgrade?
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0answers
18 views

Thinkpad 440p Trackpad: several problems

I recently installed Kubuntu for the first time on my Thinkpad 440 and there are three issues I'm having with the trackpad: 1) Size of the middle click zone On Windows, there was a fairly large ...
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1answer
96 views

Skype audio not working in 16.04

OS: Kubuntu 16.04 Desktop Environment:KDE 5.6.4 Issue: Skype microphone not working Skype settings screenshot: PulseAudio Screen screenshot: Packages installed: abhishek $ dpkg -l |grep ...
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16 views

Kubuntu mirrors second monitor connected through VGA

I have dell optiplex 3020 small factor desktop. Installed Kubuntu 16.04LTS recently. When I connected the second monitor to the VGA port, second monitor is by default mirrored. Could not find any ...
3
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1answer
41 views

Execute script on every start, wakeup and activation!

I want to execute a script on every start up, wake up and activation. In the current setup the script is executed in: /etc/rc.local /lib/systemd/system-sleep It works so far, but if I reactivate my ...
3
votes
1answer
216 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
votes
1answer
69 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 ...
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0answers
23 views

Unable to install Kubuntu 16.04 because one of the existing partitions is mounted at /cdrom

I've been trying to install Kubuntu 16.04 for a couple of days now, but couldn't make any progress. I've done my research and none of the workarounds proved effective. I am able to create a bootable ...
1
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1answer
55 views

Failed to build Pillow

I'm using Kubuntu 16.04. I'm trying to install the TFLearn library, but it requires Pillow, which it tried to install but was failing. Installing Pillow on its own also doesn't work. daniel@beepboop:~...
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35 views

system sucessfuly login even with wrong password

Someone help, I have Kubuntu 16.04 installed on my system with KDE 5.6 which i upgraded from KDE 5.4 from Kubuntu backports ppa. Now the system logins sucessfully even with a wrong password. Also sudo ...
2
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1answer
36 views

kdevelop not finding qt libs

Currently I am trying to create a brand new project using KDevelop 4.7.3. I am also targeting Qt5. When I attempt to create a new project using the template for a Qt Gui project it creates a Qt4 ...
0
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1answer
65 views

How to change wallpaper in Kubuntu 16.04?

Can someone tell me how to change the wallpaper or background in Kubuntu 16.04?
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0answers
32 views

How can I force Plasma 5 to treat two monitors as one in Kubuntu 16.04?

Goal I want to use KDE across two monitors, but I only want the window manager to see them as one single virtual monitor. I would like to achieve this goal either using KDE settings, nvidia-settings,...
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0answers
47 views

KUbuntu 16.04 Networks not displaying and WIFI networks

I've been searching for a resolution for the past week after applying updates (No idea what update broke this). Anyway WIFI is working just fine but because there is no connected WIFI network in the ...
0
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1answer
87 views

Problem with DNS in the latest Kubuntu 16.04 update

Today I install Kubuntu 16.04, again, because I'm having trouble to navigate. I have tried all kinds of browser, and with all I have the same problem. Sometime when I open a page, I received these ...
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1answer
48 views

Ubuntu language in Kubuntu 16.04

I've made an upgrade from Kubuntu 14.04 to 16.04 it worked ok. But later I got a message that said something like "Language support is not complete do you want to install now?" If I accept, the ...