Questions tagged [kubuntu]

The official Ubuntu derivative using the KDE Plasma Desktop

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forzen HDD (0.0 byte space in ubuntu installation) after adding new partition / normal.mod error when HDD trying to boot

I have a serious problem . this is happening for second time . first of all i had kubuntu 18.04/kubuntu 20.4/windows 10/windows 7/phoenixOS on my laptop . all was working fine .i take a decision for ...
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Laserprinter “Ricoh SP 213Nw” does not print images but only simple pages

I used this printer in 18.04 and since today in 20.04 via USB on a computer with 8 GB RAM. According to https://www.openprinting.org/printer/Ricoh/Ricoh-SP_213Nw it should work fine. In 18.04: Simple ...
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One fourth of the screen does not respond: Kubuntu 16.04 VM

I am using Kubuntu 16.04 through the Oracle VM manager. After a while after launching the VM, the part of the screen (shown on the figure below) stops responding to any mouth events. I am not sure if ...
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212 views

Performance in Kubuntu 20.04 gets progressively worse while using

I installed Kubuntu 20.04 yesterday and I have noticed that my CPU usage is really high. It's not high when idle but even a simple mouse moving across the sceen will raise percentages on each core. I ...
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Cannot move wine application window in Kubuntu

I have a problem with wine on my kubuntu installation. When I open an .exe application I can resize the window of the application. My problem is that I can't move the window of the application. I have ...
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1answer
33 views

how to remove automatic shutdown in ubuntu

So my friend is trying to use an old thinkpad that has Kubuntu on it but we found out that it has an automatic shutdown from 11pm -7pm, that his mother put on it years ago. We managed to get the ...
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46 views

stuck on login screen after Kubuntu 19 -> 20 upgrade

I feel a bit sheepish asking such a silly question, but how does one login in the new Kubuntu 20 login screen? Pressing Enter after typing my password does nothing, and I don't see any button to press ...
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30 views

apt install program without modifying file associations

Certain programs when I install them seem to believe they can open a large number of filetypes. Xournal is was a particularly extreme example in Kubuntu 16.04. In Kubuntu 20.04 imagemagick display ...
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28 views

Trouble connecting to XFINITY wifi, using Kubuntu 20.04

I just finished installing Kubuntu 20.04. Everything looks great, etc., but I am having trouble connecting to a secure XFINITY wifi hotspot. I am, however, able to connect with all of the other wifi ...
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48 views

Can't install Kubunutu since it says space is unusable. ( dual boot along side windows 10 )

I can't install Kubunutu since it says my space is unusable. I am trying to dual boot it alongside windows 10 and I gave it 35 gb storage. I am pretty sure it is because I have more than 4 partions on ...
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1answer
28 views

2 same netowork printers in Kubuntu

I wanted to install my Pixma TS6052 as a network printer. I have installed Canon drivers for my Pixma TS6052. Now when I see in my Kubuntu 20.04 2 Canon Pixma TS6000 series network printers there. ...
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Kubuntu 18. Python: starting over completely

In trying to get Octoprint to function, I've been mucking about with python versions and symlinks, and I'd like to start over from Kubuntu's base python install: remove all 'python' symlinks (...
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Extra mouse buttons stopped working after update to Kubuntu 20.04

I recently upgraded from Ubuntu Studio 16.04 to Kubuntu 20.04 (installed fresh on new partition), and after this the two thumb buttons on my GMX 5 mouse stopped working. When using Ubuntu 16.04 I ...
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47 views

In Kubuntu 20.04, some applications do not use the global menu

I am using Kubuntu 20.04. I added global menu to the panel. Most of the applications are using the global menu perfectly. But Gimp, Inkscape and Texmaker are not using the global menu at all. How can ...
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How to set custom DNS servers and use DHCP on kubuntu 20.04 using netplan config?

Ok it is confusing so here is a clear version of what is going on. I am only able to set custom DNS servers using the /etc/netplan/01-network-manager-all.yaml if i use the configuration below with a ...
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Kubuntu installation side by side windows 10

I am not comfortable with manual disk partitioning and the Ubuntu installation is very easy. It automatically detects the unallocated space and does the installation since I chose the side by side ...
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Prevent programs (wine/steam) from disabling monitors

I use Kubuntu 18.04 on my Laptop with two monitors connected. Some programs (Mostly Wine, Steam and Proton) sometimes disable both of my secondary monitors. For instance, sometimes (not always, which ...
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33 views

Kubuntu Bounce Keys Personalization, Universal Access

I run kubuntu and I'm trying to make some tweaks to adapt it to my needs. I have a mechanic keyboard that has a chattering problem. In windows I was able to set the delay of bounce keys to 20ms, so ...
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1answer
42 views

Ibus does not start automatically on kubuntu

I have to manually start ibus each time I have to boot in to my kubuntu 20.04. I have tried several methods including adding the ibus-daemon into my start up application. I also followed this links. ...
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20 views

Kubuntu 20.04 wi-fi auto disconnect and forgot password in every suspending

I hope I'm asking this to right place but I have a big problem since yesterday. As you can see in title, when I suspend or close my laptop; it started to forget and disconnect my Wi-fi every time. ...
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17 views

Kubuntu takes a lot of time to boot after dual booting with kali linux

after dual booting kali linux with kubuntu, it takes a lot of time to boot into kubuntu. after doing some googling, I got to know that the issue was with the swamp area. So I did accordingly and still ...
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27 views

Stuck on login screen on Kubuntu 20.04 (Thinkpad X260) when using fingerprint

I set up fingerprint authentication on Kubuntu 20.04 using the fprintd-enroll tool and enabled fingerprint login using pam-auth-update. However, after I restart the system and either use my ...
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30 views

Can't connect to Github with VS Code

When i try to log in to Github i get this error: "The name org.freedesktop.secrets was not provided by any .service files". How can i resolve my problem? OS: Kubuntu 20.04 LTS
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Kubuntu 20.04 Kodi auto restart on crash

I have installed kodi from flatpak on Kubuntu 20.04, I want to make a script in systemd to restart kodi on failure crashes, but can’t find kodi in systemd. Kodi installed in ~/.var/app/ Any one can ...
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error: Failed to start light display manager

Ubuntu 20.04. I recently installed unity and KDE plasma, and then tried to remove them using apt remove could command. Now when I start my PC it gets stuck on kubuntu startup logo. By pressing Alt + ...
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37 views

Autologin and Wifi Password on Kubuntu 20.04

On Kubuntu 20.04: When I enter my login password after a reboot - the KDE wallet gets opened during login and the wifi password (which is stored in the wallet) can be read by the wifi configuration. ...
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Ubuntu, “Has Encountered an Internal Error,” after installing kubuntu-desktop and going back to ubuntu

I started using kubuntu-desktop (not the iso) as my desktop alongside ubuntu. Today, I logged in with kubuntu-desktop's log in screen and selected ubuntu instead of Plasma (my kubuntu version). After ...
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Is it safe to install tomcat server without using a non-root user account?

I'm a newbie to Linux, And have been trying to install tomcat server for learning and practicing purposes, But on almost every tutorial on the internet that I've come across so far suggests to deploy ...
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How do I fix my second monitor on Kubuntu 20.04?

So I switched to Kubuntu from Ubuntu and I like it better. Gnome made my eyes hurt and it was hard to look at. However, my second monitor is just blank. I am still able to use it, drag windows in it, ...
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38 views

Scanner of Epson ET-2750 doesn't work - “sane_start: Invalid argument” - Kubuntu 20.04

I'm trying to scan a document with a Epson ET-2750-Scanner using xsane. I always get the errorcode: "Invalid argument". Printing with the ET-2750 works fine, just scanning doesn't. I've ...
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1answer
76 views

How can I get rid of choppy videos in the Focal Fossa 20.04

My Kubuntu 20.04 faces choppy videos in browsers (firefox, chromium) as well as in VLC. The video freezes very frequently (once in every 5/6 seconds). But I do not have any problem with the audio of ...
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Horizontal scroll of three buttons mouse in Kubuntu

I have Kubuntu 18.04 and three buttons mouse, left, right and clickable scroll wheel. It is Genius NetScroll+. Indeed it is very old, I purchased it since the year 2002. However, I could not able to ...
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Grainy GUI on KDE plasma

A lot of the GUI seems to be "grainy". It happens only when the panel is over another dark surface. A web browser with a white website opened would be make start menu look just fine, from ...
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1answer
62 views

Kmail can't start Akonadi services on Kubuntu 20.04

I upgraded to 20.04 today, and soon found out that Kmail couldn't start Akonadi services. Soon after I ran sudo apt autoremove. This apparently removed Kmail and a lot of other programs. After ...
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30 views

All Screens freezing for short periods and severe graphic crashes

Yesterday, I started noticing what I thought initially was some input lag when using my remote connection to work. I'd be clicking or typing things, and sometimes it would take a second or so before ...
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21 views

Autokey: get the abbreviation?

I've been all over google trying to find the answer, but I can't find the right combination of keywords to get useful results. I've got a function that uses a flag value to do certain behaviors, e.g.: ...
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Kubuntu 20.04 installation stuck on “Installation type” screen

I am stuck on the "Installation type" screen during installation of Kubuntu 20.04. When I click on the "Install now" button, it is loading for roughly 2 seconds (as it is on the ...
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2answers
56 views

Ubuntu 20.04 how to get rid of the white/grey screen of death

On 26/6, I rebooted after and at the request of an update. I ended up with a white screen of death with no useful error message. Since then I've been trying to fix it. I have: rolled back the updates ...
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1answer
48 views

Kubuntu sddm rotated login screen (20.04)

The login screen has the wrong rotation(portrait). After I log in the rotation is like it should be (landscape). Where/how do I change the screen rotation of the login screen for kubuntu sddm? I am ...
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201 views

Why pkexec does not launch Qt-based application as root user?

Previously it was told that it is bad idea to use sudo to launch GUI-based applications. So one should use pkexec instead. I remembered it, so I tried this to launch Kubuntu Driver Manager on Kubuntu ...
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2answers
52 views

Installing additional drivers in kubuntu [duplicate]

How can I install additional drivers in kubuntu like in gnome and this screenshot?
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24 views

Haven't “Run with NVIDIA GPU” option

I haven't "Run with NVIDIA GPU" option when "On-Demand" mode turned on. Have you any ideas to solve my problem? Laptop: Lenovo g50-30 Video: Intel HD Graphics and Nvidia 820m ...
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1answer
80 views

How to remove this “grey area” from the window corner in Kubuntu 20.04?

My OS is Kubuntu 20.04. I got this ugly "grey area" on the top corner of window. No matter what theme I use, this "grey effect" remains there. I've installed some themes from ...
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1answer
58 views

Kubuntu 20.04 boot failure on Lenovo Flex-14API 81SS with AMD Ryzen 5 3500U

Title almost says it all. All is well when the laptop is plugged in but fails to boot when running on battery power. After selecting Ubuntu in the Grub menu the laptop never gets to the login screen ...
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64 views

can't start my Windows 10 computer from a memory stick

I am trying to install Kubuntu 20.04 LTS on my Windows 10 Home Single Language, which is brand-new. My machine is ASUS, the specifications: Intel(R) core(TM) i7‎‎-‎9750‎H 2.60 GHz, RAM: 16 GB, 512 GB ...
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Black screen in Kubuntu (but not in Ubuntu) after installing Nvidia drivers

I get a black screen after installing Nvidia drivers in Kubuntu. But if I try to install it in Ubuntu, it is OK. Laptop: Lenovo g50-30 Video: Intel HD Graphics and Nvidia 820m Distro versions: 20.04
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How to get PyQt5 for Python2 on Ubuntu 20.04

I have a critical PyQt5 application which is still in the migration to Python3 phases. K/Ubuntu 20.04 has removed the required packaging to install PyQt5 for Python 2.7. I understand the importance ...
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24 views

Some indexes failed to download

When trying to run sudo apt-get update I'm getting an error which says Some index files failed to download. They have been ignored, or old ones used instead., I've tried all the solutions mentioned ...
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24 views

Transferring a New System to New Hardware?

I'm interested in porting my system to new hardware that I just purchased. Can I make a disk ISO and just drop this onto another computer's hard drive (of course making sure it has GPT partitioning ...
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9 views

Black searchboxes in Firefox because Ubuntu theme

How to get white searchboxes again? Thanks I have: Operating System: Kubuntu 20.04 KDE Plasma Version: 5.18.5 KDE Frameworks Version: 5.68.0 Qt Version: 5.12.8 Kernel Version: 5.4.0-7634-generic OS ...

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