The official Ubuntu derivative using the KDE Plasma Desktop

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Canon ir2420 installation

Hello I am new to kubuntu. Can I please get a step by step installation for the driver of Canon Image Runner 2420. I tried to do it from printer settings but there is no driver available. If I could ...
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1answer
318 views

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

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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12 views

Kubuntu Locale Setting [duplicate]

I have just installed Kubuntu 16.04 using Asia (Rangoon) Timezone. The calendar and some numbers are showing in Myanmar Language.How can I change these language to English while retaining Rangoon ...
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0answers
119 views

Set desktop icons background color Kubuntu 16.04

I just installed Kubuntu 16.04. Still exploring, not sure how much of an improvement over 14.04 it is, but I already have one question: I always set some desktop icons for easy starting. In 14.04, I ...
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41 views

Sound problem in Kubuntu Cubeutils + Youtube on Firefox

On Kubuntu 16.04 when listening Youtube randomly when I set audio volume to maximum it will (depends od Youtube video) automatically change volume on system audio on Audio settings (CubeUtils). ...
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24 views

Kubuntu 15.10 speakers get muted after 10 minutes

I have Kubuntu 15.10 with plasma KDE. Everything was working well, and at some point (I really tried hard to find out what exactly caused the problem) the speakers started getting muted. After the ...
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16 views

How to Fix This ACER/LINUX Hardware Problem?

HOW CAN I FIX THIS? Laptop=ACER ASPIRE 4540. OS(LINUX-kubuntu).
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1answer
1k views

Why isn't Hibernate in Ubuntu 16.04 working and how to fix it?

I have Kubuntu 16.04 64-bit installed on my HP Pavilion 17-f000 Notebook. I've tried the steps from the ubuntu 16.04 wiki, but the sudo pm-hibernate terminal command did nothing and creating the ...
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1answer
162 views

WiFi sometimes doesn't reconnect after resuming from suspend on Kubuntu 15.04

This has happened at least twice so far. I am running Kubuntu 15.04. Sometimes, when I resume work after suspend, the wifi connection doesn't go back up. Here is a part of /var/log/syslog: Oct 27 ...
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5answers
1k views

Kubuntu 16.04 Plasma can not start after fresh install

I have made a fresh install of Kubuntu 16.04 via USB stick. The sha256 checksum of the USB stick matched the one on the download page. All installed packets have their most recent version. I have a ...
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22 views

How to debug why Kubuntu crashes?

I am installed Kubuntu 16.04 in a Virtual box VM. I have a SSD disk and have disabled atime in /etc/fstab to decrease number of writes to SSD. All the latest updates are installed. When I start ...
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121 views

(K)Ubuntu 16.04 Plasma 5.5.5 takes long time at login

My new installed Kubuntu 16.04 with Plasma 5.5.5 takes very long time at login(~30s). I read about a similar bug https://bugs.launchpad.net/ubuntu/+source/plasma-nm/+bug/1509334 , but I don't think ...
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1answer
55 views

kubuntu Xenial i386 and 8GB of RAM

I'm running kubuntu 16.04 i386 and have just installed additional RAM. It seems that 16.04 doesn't have pae kernel: E: Unable to locate package linux-generic-pae E: Unable to locate package ...
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0answers
79 views

Encrypted LVM Disk Password not “in box”

After a recent installation of Kubuntu 15.04 using encrypted LVM, I have the following problem. When I boot the system, the pretty Kubuntu encrypted disk password screen appears, but when I type the ...
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0answers
23 views

kubuntu-desktop dependencies problem, now forbidden icon

A week ago, one of my friends said that the kubuntu-desktop is cool. So I installed it. But now there are dependencies problem with kde-telepathy-minimal, and the forbidden icon turned up and said ...
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1answer
36 views

Turn off or disable the guest account in kUbuntu using KDE system settings GUI

How do I turn off or disable the guest account in kUbuntu using the KDE GUI?
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1answer
93 views

Ktorrent problem (lagging) on kubuntu 15.10

im using kubuntu 15.10 updated from 14.04 lts to 15.04 first and afther that i updated to 15.10 , so i have one problem , when i start downloading torrent with ktorrent suddenly afther few seconds ...
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53 views

Plasma 5 rendering errors 16.04

I'm having a hell of a time getting a Plasma 5 desktop to coexist with my regular Ubuntu 16.04 environment. I've been using this machine since 13.04 (updating 13.10 -> 14.04 -> 16.04) with no major ...
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1answer
205 views

Can't access settings on fresh install synapse for kUbuntu 16.04LTS

I have been using instructions that can be found here for my 14.04 systems. But after running: sudo add-apt-repository ppa:synapse-core/ppa sudo apt-get update I get the following on kUbuntu ...
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61 views

Kubuntu Xenial recommended Nvidia driver

I updgraded fro Wily to Xenial yesterday, and booted to a blank screen. I managed to drop to shell, and after some trial and error, and after installing nvidia-364 from graphics-drives ppa, disabling ...
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1answer
2k views

Black screen after 15.10 upgrade, not even getting into tty1 anymore

I'm using Ubuntu 15.04 and upgraded to 15.10 tonight. After restarting I'm getting a black screen with a flickering message from my window manager. First I was able to get into tty1, so I ...
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0answers
19 views

How do i find all clipboards on ubuntu and kUbuntu

I posted the following security concern in the security.stackexchange: kde system tray clipboard Note: This post is asking a different question. In response to finding that when I use the program ...
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2answers
609 views

Open tabs at startup in Konqueror

When starting Chrome I can set up that it opens previously used tabs, last time when closing the browser window. Can I do the same in Konqueror? When I open Konqueror doesn't reopen last opened tabs, ...
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15 views

Why have I only two avtivities types on Plasma 5?

After installing kubuntu 16.04 I have only two activities types in Plasma: desktop and folder view. Why? Is something missing in the system?
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1answer
184 views

Kubuntu Xenial upgrade - X11 error - “all shell packages missing”

I recently upgraded to Kubuntu 16.04 from 15.10. After the upgrade X windows doesn't start and I get dumped to a console window. When I log in I can execute a 'startx' but I get the KDE error "All ...
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2answers
1k views

How to install and enable at startup a VNC server on Kubuntu 15.10

What's the recommended way to install a VNC server on Kubuntu 15.10 x64, and configure it so that it runs at startup?
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235 views

Kubuntu 16.04 Discover search bug - Answer!

Because of requiring reputation, I post the answer of this question. To be able to see search results in Discover, open Konsole and type "sudo apt-get install muon". When finish installing, search ...
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2answers
10k views

Successfully connected to a bluetooth speaker, but how do i direct sound there?

I'm running Kubuntu 13.10 on a Lenovo Thinkpad T430 laptop. I've got a Bluetooth speaker. After a lot of troubleshooting i managed to connect to the speaker. bt-device reports: $ bt-device -l Added ...
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1answer
211 views

Kubuntu 16.04 failed upgrade (problem with xserver-xorg-video-all?) [duplicate]

I'm trying to upgrade my Kubuntu Wily 15.10 computer but it fails. I'm doing this: $ sudo do-release-upgrade -m desktop This is what I get: Calculating the changes Could not calculate the ...
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38 views

Choppy Audio Playback With Clementine and VLC

Since I've installed Kubuntu 16.04 yesterday, music playback in VLC and Clementine started to be choppy. Starting to play a song, everything is fine for about 2 seconds until the stuttering begins ...
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1answer
2k views

kubuntu 16.04 release unusable in virtualbox

Installed the released amd64 version of Kubuntu in a VirtualBox virtual machine - single CPU, 4096 Gb memory, 128 Mb video memory, single monitor. After install, following instructions from several ...
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50 views

Breeze icon theme wrong icons

I could not find this specific issue on Google. After I updated from Ubuntu 15.04 to 16.04 LTS, next to xfce4 and unity not working correctly, also the icons from the Breeze icon theme are behaving in ...
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83 views
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293 views

Kubuntu 16.04 : Software centre search bug

I installed the new 16.04 kubuntu and I have problem with Discover - Software center. So these are the screen shot that I have made This is the first look you see that we have wrong aligned text, ...
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15 views

Kubuntu doesn't want to connect to known networks anymore, only new ones

This problem happened all of a sudden, without an upgrade or so being done. I have had no trouble connecting to networks in the past. Since a few days ago however, I can't connect to existing ...
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0answers
5 views

Disable mail header in new message window

Always when I want to write a new message in Kmail a mail header section is included in the message box. How can I disable this? I can't find anything :(
1
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1answer
91 views

How to reset Display and Monitor > Display Configuration > Scale Display

On upgrading to 16.04 from 15.10, my font size was tiny. Somewhere I found the suggestion to go to: System Settings > Display and Monitor > Display Configuration > Scale Display And change the ...
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1answer
280 views

Disable desktop switching with the scroll wheel in Kubuntu?

Just want to turn off the function when I scroll I swap desktop. I have removed the function in Desktop(right click) > Folder Settings > Mouse Actions > Vertical-Scroll > Switch Desktop ...
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5answers
900 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 ...
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3answers
73 views

Remove “title bar” at top of chrome

I feel one of the biggest improvements with Chrome on Windows is moving the tabs all the way to the top to the screen (so the mouse can just go all the way up, then click). I went with the kubuntu ...
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0answers
23 views

How can I hide and protect devices in Dolphin (and other places in KDE)?

On most KDE file open dialogues and Dolphin, my devices (mounted and otherwise) are displayed as options. Clicking these convenient takes you to their mounted path (and mounts them first if they ...
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0answers
61 views

Wrong keyboard layouts

I want to be able to switch my keyboard layout between German and English (UK). As default I set it system-wide to English (UK, extended WinKeys), using sudo dpkg-reconfigure keyboard-configuration ...
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0answers
16 views

how to make Kubuntu widgets show correctly?

how to make Kubuntu widgets show correctly? here this is how it looks
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2answers
85 views

KDE 5 - How to easily switch between audio outputs?

I currently have KDE 5 Plasma installed which I like a lot. However, it is not possible to easily switch between Audio outputs from One Soundcard (SPDIF and analog) like it was possible in Unity. Is ...
0
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1answer
26 views

How to copy files from one directory to another after closing the Dolphin file manager in Kubuntu 16.04 LTS?

Please, I need your help with the following: The Problem: I can't copy/move one file (or more) from one directory to another unless if both directories are opened using the file manager. In other ...
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34 views

kwallet + gpg kubntu

I've installed kubuntu 16.04 and create gpg key. But when I try to create a new wallet with kwallet it can't find no one encryption key. I tried to create pair of keys with gpg and kgpg, in both cases ...
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1answer
4k views

Installing Samsung Xpress M2825DW drivers on Kubuntu 12.04

I'm having trouble with installing printer drivers. I tried to find them in the data base and could not find them. So I downloaded the linux drivers from samsung.com ...
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1answer
174 views

Dell 3543 Kubuntu 16.04 can't get output to 2nd monitor on HDMI

This worked with much fiddling on 15.10, but since upgrading to 16.04, I can't get the 2nd monitor working at all. xrandr -q Reports "HDMI1 disconnected" though it isn't. With open source ...
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18 views

Sort local collection by album instead of by artist in Amarok

The default sort to your local amarok collection seems to be by artist, then by album. Can I change to sort order to be albums then artist? I don't want to rename or change the files in the collection ...
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33 views

Kubuntu: Firefox and Thunderbird display generic icon for launcher

My system was installed with a Kubuntu 14.10, upgraded to 15.04 and now it's a 15.10. Both firefox and thunderbird have launchers in my 'task manager'. For both applications, I get the same generic ...