Questions tagged [kubuntu]

Kubuntu is the official Ubuntu derivative using the KDE Plasma Desktop. Use this tag only for questions that are Kubuntu specific. Questions for Kubuntu are probably better asked at http://askubuntu.com/, the stackexchange site for Ubuntu.

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Force certain programs to work on all Desktops AND Activities

Config: I'm running Kubuntu 21.04 with KDE Plasma 5.21.4 on a Dell Precision 5750. I use a combination of Desktops and Activities to compartmentalize my work. Loving it. Problem One minor question. ...
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1answer
2k views

kdeinit5 starts background konsoles with high CPU usage

I am using KDE Neon LTS 5.12, sometimes, for some unknown reason, I can see a high CPU usage that comes from started konsoles by kdeinit5. Every konsole has no window and uses up to 17% CPU ...
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Multi-Monitor Support and Keyboard Stack overflow issues in Kubuntu using KDE RDP

Having two issues. First question: I want to RDP from a Kubuntu PC into a Windows 10 box and make use of the 3 monitors on the local Kubuntu PC. If I can only get 'two' of the 3 monitors working, ...
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Kubuntu, doesn't suceed to open whatsapp links

Kubuntu cannot open whatsapp links, but it can open a web whatsapp. On Ubuntu such operation works smoothly. Error message: Error - KIO Client: Could not find any application or handler for whatapp://...
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kubuntu 16.04: my panel icons keep disappearing after an upgrade

Intel "Core-2" processor (refurbished), Dell box, 2GiB RAM. I had all the everyday applications placed on the bottom 'panel.' Then I installed several new packages using Aptitude. Afterward. about ...
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1answer
2k views

Unable to install Nvidia drivers on Kubuntu (KDE Neon 5.19)

I have some problems installing Nvidia drivers on my Kubuntu system and to get them working (GPU-Model: GeForce GTX 980 Ti). I tried it first in the standard way: $ sudo add-apt-repository ppa:...
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1answer
35 views

How do I implement `fprintd` into login in Kubuntu?

I have set up fprintd and added a fingerprint profile, but now I am stuck: how do I get this to let me log in? I have added auth sufficient pam_unix.so try_first_pass likeauth nullok auth sufficient ...
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1answer
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after installing a new distribution I don't have access to my previous Home partion files

after installing a new distribution I don't have access to my previous /home partition files but about 121 GB of volume is full also If I try live mode I can see them. I tried:ls -la in /home ...
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Kubuntu 20.04 Shutdown/Reboot Hangs At “Waiting for process: crond”

I'm running Kubuntu 20.04. 3 out of 4 times when I shutdown or reboot, it hangs at: Reached target Reboot. systemd-shutdown[1]: Waiting for process: crond I've spent a fair bit of time googling, ...
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1answer
1k views

External monitor through 'HDMI - USB-C adapter' detected, but gives black screen

I've recently bought a new Asus TUF Gaming A15 laptop which has a HDMI and a USB-c port. My setup is as follows: Laptop: Asus TUF Gaming A15 OS: Kubuntu 20.04 Monitor 1: Laptop screen Monitor 2: ...
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How to add a command-line argument for mime-type default applications in KDE?

I want to register a software (XCrysDen) to a number of file type as the default application (that opens when I click the file). The thing is, the software needs a specific command-line option for ...
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1answer
4k views

Starting Wait for Plymouth Boot Screen to Quit

I'm struggling to install Kubuntu 15.04 on my PC. I've got a GTX 970 which i think is throwing off the trial mode from starting up. nomodeset doesn't work, so I tried nouveau.noaccel=1 to beget this ...
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System freeze/crash on Asus q407iq whenever I don't use acpi=off

I have an Asus q407iq (bios 302, the latest) that I've installed kubuntu 20.10 onto. I've tried using kernels up to 5.12.1, I've tried using earlier os versions (+ other distros), and I've lost track ...
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2answers
3k views

Opening links outside of broswer in kubuntu opens html from local kde cache only

I have this odd problem where whenever a link is opened from the shell, the cached html is opened locally, instead of through a browser. to illustrate: if I run the command xdg-open http://www....
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How to fix Xorg window going blank when adding google account?

I'm basically trying to add a google calendar to the gnome calendar app that I installed yesterday on my Kubuntu partition. Problem is that it is not that functional as it was in Ubuntu (I switched ...
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Can't login: Unlocking failed

Each time I go to a sleep state or just log out, then provide my password in a login form, I get a message Unlocking failed. The password I type is correct, because after rebooting the same password ...
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Can't install kvantum theme please select another directory

I downloaded this theme from Global theme -> Get new global themes I can see its location in Dolphin: But I can't install it in Kvantum: How do I fix it?
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Increase System Tray Icon Size in KDE

How can I increase the size of these System Tray Icons? :
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1answer
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kubuntu grub console at startup

I neweblie linux user. I have installed kubuntu on my laptopn. Every time I see grub console at the startup. Console does not exit by timeout. I must to input "exit". How to disable grub ...
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3answers
6k views

Avoid notification “kdeinit5 closed unexpectedly” in Plasma 5.14 when starting Dolphin

After upgrading Kubuntu from 18.04 to 18.10 and that to Plasma 5.14.5 through the "backports" PPA I am lucky enough to face almost no bugs, except annoying notifications saying "kdeinit5 closed ...
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Grub lost after dual boot 2015 Macbook pro MacOS to Kubuntu Linux

I partitioned my hard drive on 2015 Macbook Pro in order to install Linux. I have successfully installed Linux on my macbook pro, but when I shut down or restart, it doesn't give me an option to boot ...
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32k views

ssh-agent not getting set up (SSH_AUTH_SOCK, SSH_AGENT_PID env vars not set)

I set up a new user account for a friend on Kubuntu 12.04. When he uses ssh he gets this error: Could not open a connection to your authentication agent We're running ssh in some bash scripts. ...
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43 views

Starting a program from OpenVPN --up/--route-up script

I would like to start a program whenever openvpn establishes the VPN tunnel, but it always returns the following when the program is supposed to start. qt.qpa.xcb: could not connect to display qt.qpa....
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1answer
27 views

Running a program from sudo shell as a user with the correct themes and styles

I am trying to start qbittorrent after OpenVPN connects via the --up script. The problem is that the script is ran via the root profile, so starting an application was a bit of a problem. After fixing ...
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Wallpaper only shows with default global theme - Plasma 19.5/Kubuntu 20.10

Scenario (Plasma 5.19.5 on Kubuntu 20.10): Starting with the default Kubuntu global theme, applying a new global theme with "Use desktop layout from theme" checked results in no wallpaper at ...
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1answer
37 views

Poor CPU Frequency on HP Laptop running Kubuntu

After using Windows my hole life, i wanted to try a new operating system. I settled on Kubuntu since I liked the design and the easy usability of Ubuntu from a newbie perspective. While using it for ...
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3answers
73k views

How to solve a temporary failure in name resolution error?

I've installed Kubuntu 18.04 on a desktop with an ethernet connection. During the installation, updates were downloaded and the internet was working fine. Once the operating system is installed, every ...
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10 views

Pulseaudio marking 'headphone' but playing on 'speaker' (but working as expected after manual change)

I have a freshly installed Ubuntu 18.04.5 LTS. After installing plain Ubuntu I installed Gnome3 and KDE and I switched to KDE. After that, I started having issues with my audio configuration. When I ...
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1answer
20 views

Kubuntu - Strange Copy-Paste behaviour after upgrade to 20.04

I recently upgraded from 18.04 to 20.04 with Kubuntu. I had to delete Python2 to do it, but it worked. However, since the update, something strange is occuring with the copy paste function. A piece of ...
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5answers
29k views

How to get near-perfect screen recording quality?

Someone suggested I direct a copy of the unmodified X display to a file and afterwards convert that file to a general purpose video file. What commands would I use to do this on a Kubuntu system? (...
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1answer
2k views

WiFi not working Kubuntu 20.04 - Intel 8265 Network Interface

I have a problem with my WiFi card on Kubuntu. Sometimes the system doesn't recognise it, but what is strange is that it doesn't happen everytime, but just about one boot on four, and I can't ...
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1answer
42 views

Can I run a torrent started in Windows, on Ubuntu, in dual boot setup?

So I have a torrent running windows downloading files. Having my machine setup with Ubuntu + Windows dual boot, can I pause the running torrent in Windows, boot into Ubuntu, and resume the torrent ...
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Keyboard indicator lights appear after resuming from suspend

I used ubuntu 16 in my Sony Vaio SVE14133CVW for the past 3-4 years and it worked well. Just recently, I decided to install Mint 20 Mate. One problem that I faced was the keyboard stopped working when ...
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6 views

Displaying all KDE fonts together

The font manager allows you to display fonts one by one. But when looking for a style it's much much better to display all of the fonts present on my system together (on separate lines or other). I ...
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1answer
247 views

`xev` doesn't register my `Fn+F4` keypress? How to bind this combination?

My question is simple. xev isn't registering Fn+F4 keypress on my Asus FX505DT running Kubuntu 19.10. So, how shall I proceed with solving this issue?
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105 views

usb usb4-port1: over-current condition error after booting into kubuntu

I updated Windows 10 to the most recent update and Windows is working fine, but when I boot into Linux after the grub menu, it shows me the logo of my Linux distribution which is kubuntu and then it ...
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1answer
1k views

krusader - single queue instead of multiple queues

I need to copy a whole bunch of files from various directories onto an external drive. I thought Krusader might be the best tool for this job. As I select and copy different files, a new queue ...
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1answer
21 views

Red icon for wired ethernet in Ubuntu

Recently I began to observe the following scenario: After the Kubuntu has booted the icon for wired ethernet is red. And there is not "Connect" menu for the corresponding connection in network ...
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2answers
390 views

Unable to install new package in Kubuntu 18.04 - Media change: please insert the disc labeled…

I have just installed Kubuntu 18.04 and as soon as I try to install a new package it always shows this message: Media change: please insert the disc labeled 'Kubuntu 18.04.1 LTS _Bionic Beaver_ - ...
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1answer
33 views

Feedreader in KDE

In the cli I am using Newsboat, and it works great. To manage my feed I rely on the The Old Reader. I am looking for a nice looking app to do the same in KDE. I am running kubuntu 20.04. I quite like ...
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57 views

Veracrypt does not mount to mount directory

When decrypting, one can specify in veracrypt that one want to mount at a specific directory. In Kubuntu 14.04 that worked. Now I installed a new Kubuntu 20.04 and the newly installed veracrypt can ...
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creating/booting/ MultiOS sys Kubuntu 20.04, Android x86, & hoping to add win10

Alright so I am majorly frustrated. I am, well I had thought I was entering the space of moderate user but after this whole scenario...I am demoting myself back to brand new no nothing. So this my ...
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92 views

Kubuntu update-grub not updating UEFI

I can't figure out why the command sudo update-grub does not update my menu. The system is UEFI. The menu is never changed. This used to work fine until I booted into Ubuntu (sd5). I am thinking it ...
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2answers
10k views

How to install listings package in Kubuntu for LaTeX?

I installed LaTeX on my Kubuntu with those commands: sudo apt-get install abntex sudo apt-get install texmaker sudo apt-get install texlive-latex-base texlive-latex-extra texlive-latex-recommended ...
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71 views

loop in display manager SDDM

I am currently using Kubuntu 20.10 and have the issue known as a login loop I have tried all the options indicated in this link with no result. As a result of the review, I suspect that the problem is ...
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7 views

Take Akonadi with me, when moving installations?

I want to reinstall Kubuntu. My old Kubuntu is 14.04, the new one is going to be Kubuntu 20.04. Should I take the Akonadi database with me or rebuild it? Is it correct that the Akonadi database is in ~...
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21 views

Screencasting to a 2nd Monitor w/ Miracast, Chromecast, 3rd Party, etc

I was wondering if anyone knows how to create a virtual monitor and then screencast its display to a secondary device such as a windows pc, linux pc, or Chromecast(preferred). The functionality would ...
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1answer
24 views

How do i move individual icons on the system tray?

How do i move the individual icons in the system tray? I can only move the entire thing
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1answer
34 views

XRandR. What does suffix 'H' in the mode name mean?

XRandR. What does suffix 'H' in the mode name mean? I use cvt command to get modeline: cvt 1920 1080 60 Get modeline: Modeline "1920x1080_60.00" 173.00 1920 2048 2248 2576 1080 1083 1088 ...
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0answers
40 views

How to refresh folder view layout in KDE?

I set my desktop layout to folder view and displaying the contents of a folder in my external drive. When I remove the drive, every icon in my desktop disappears which is understandable. But when I ...

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