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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Double-click JavaScript files in KDE Dolphin and open in editor instead of trying to execute

I've been searching for an embarassingly long time without finding a solution for this. Having to right-click files all day would be an exceedingly miserable experience. Is there any way to fix this? ...
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3 votes
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67 views

Sudo won't accept correct password

I'm having a weird problem; sudo isn't accepting my absolutely correct password on my new Kubuntu install. This happens in terminal and in graphical sudo prompts, like if you double click a .deb or ...
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Kubuntu: how to disable color in output of 'watch' command

I am runnung Kubuntu 20.04. Command watch is from package procps. dpkg -l procps shows the version: 2:3.3.16-1ubuntu2 I am redirecting the output of warch to a file, like watch -t "date" &...
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for Kubuntu: how to get a working pdftotext

I am running Kubuntu 20.04. Therein is installed pdftotext based on poppler-utils, version 0.86.1-0ubuntu1. This pdftotext does not work. I have tried very many different pdf files. It gives no output,...
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where in the FHS does command less store its buffers?

Using Kubuntu 20.04, which is running from an USB stick. Therefore there is a /cow overlay file system mounted on /. The USB stick has a total capacity of 32 GB, But to the cow overlay file system ...
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149 views

I cannot install anything after locking Firefox to avoid installation of snap version in Kubuntu 22.04

I cannot post on the askubuntu stackexchange because 22.04 is still development branch. My problems are: Snap Firefox in that system has some bugs or buggy features (cannot be pinned to panel task ...
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Why does GRUB stall on a system that has only BIOS support with no UEFI?

I have several old laptops that only support BIOS or Legacy mode. They do not have support for EFI/UEFI. The laptops all have a 64-bit CPU. I have attempted to create a bootable USB with dd, cat as ...
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2 votes
1 answer
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Is this an expected directory under /run/user/1000?

I have a directory under /run/user/1000 that looks like this from an ls -al. d????????? ? ? ? ? ? doc Is this normal, or an error of some sort?
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122 views

Grub-customizer trying to use `KDE su` - Cannot login

I would like to use Grub Customizer, but I cannot start it. After entering the administrator password, it asks again for it: (see update below: I guess the first image shows an interface that is not ...
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In KDE, can one use 'Save session' to restore, upon reboot, an application that runs under Wine?

I am using Kubuntu 20.04. When I manually save the session (KDE Menu -> Leave -> Save session), some applications are restored upon reboot, and some aren't. For example, PDF-XChange Editor, ...
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2 votes
1 answer
60 views

Restoring a backup with rsync

I'm getting back into Linux and am running Kubuntu 21.10, and I want to make a proper full backup of the system now that I've configured it how I like. This is the command I used to create a backup on ...
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Failed to reload-or-try-restart bulk services

As you can see by running the below command, a lot of services were not found even some essentials eg. pulseaudio (i have problems with my audio). So what is happening? if they are old services, how i ...
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I have a problem with kwalletmanager5 under Kubuntu

something is somehow deeply wrong with the installation of kwalletmanager5 under Kubuntu 20.04. I don't know what or how it comes about but for example I cannot chose programs eligible to use it to ...
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NVS 510 multi-display issues

I have an NVS 510 in a workstation that having multi-display issues Hardware info Dell T5600 workstation, with 64GB ram KDE Neon 20.04, Kernel 5.13.0-28-generic Nvidia Drivers: linux-modules-nvidia-...
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141 views

KDE Plasma over VNC on Ubuntu in Chroot on Android using Linux Deploy

As you can see form the title, I am running a weird setup. I am using Linux Deploy on my Android 11 to host an Ubuntu instance in a chroot environment, so that I can run full-fat Linux applications on ...
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1 vote
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51 views

How to configure KDE start menu to pop when pressing "Meta" key

For an unknown reason the shortcut to display the desktop menu by pressing the windows key (aka. meta )⊞ on the keyboard is not working anymore on KDE desktop. So of course I can click on it or assign ...
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Terminator on KDE: Impossible to select text in terminal to copy it

Issue I have an issue a bit odd, I am using terminator for the terminal and somehow it's impossible to select text from the terminal with the mouse, meaning I can't copy anything from the terminal, ...
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1 answer
236 views

Ubuntu boot entry missing after installing Windows 11

I recently decided that I wanted to try out Windows 11 on my laptop that was running Windows 10, but it's a bit of an older laptop so the hardware isn't supported by Windows 11 and I had to do a clean ...
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43 views

NVidia driver won't install correctly

I have a problem installing NVidia drivers. I try to install the recommended 470 driver. It gives me an output that i'm possibly missing firmware in i915. And when I try it through software sources it ...
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  • 101
5 votes
2 answers
7k views

How to use 5.16 kernel with Ubuntu 21.10?

I'd like to upgrade my kernel to try to fix a persistent issue I have with intermittent freezing. I've tried manually installing the kernel, but it throws errors during configuration and then upon ...
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How to have desktop & game console audio from line-in play together? (kubuntu)

I have a nintendo switch plugged in the rear line in of the computer. On windows I'm able to play desktop and console audio together by either: toggling listen to line in using voicemeeter, which ...
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1 answer
24 views

How to take screenshot of KDE task switcher?

I've tried hotkeys using Spectacle, but even when I use the hotkeys when the screen shots what I want, it doesn't work - I guess because I can only use those hotkeys by tricking the app switcher into ...
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Key input delay on Kubuntu 20.04

I've recently installed Kubuntu 20.04 on HP Probook 4530s laptop. But I have a keyboard input "delay", even with Slow Keys disabled. Also, I have a partition sd5 nested to sd3, so is there a ...
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Why do I have libdrm-amdgpu1 and libdrm-radeon1 folders?

Why do I have libdrm-amdgpu1 and libdrm-radeon1 folders? My HP Envy has an integrated Intel gpu and an NVidia MX 250 dedicated gpu. These folders are located in some snap applications ( Pinta and ...
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45 views

kwin_x11 becomes defunct after restarting display-manager

I am running into an issue that after stopping and starting display-manager through systemctl the original kwin_x11 process will become a zombie. (I am doing this to run a VM with a single passthrough ...
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48 views

How can I change my Grub-Customizer icon in the app launcher?

I have the icon for 'grub customizer'. It is a .png and it is located in file:///var/lib/app-info/icons/ubuntu-focal-universe/64x64/grub-customizer_grub-customizer.png. However in my app launcher it ...
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  • 101
2 votes
1 answer
1k views

Enabling hardware video acceleration in Chrome, Kubuntu 20.04

Problem in a nutshell: cannot enable hardware video acceleration in Chrome. My desktop has integrated GPU Intel UHD 750 and Core i5 11600 and it runs Kubuntu 20.04. Initially, I had no hardware ...
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30 views

Why do boottimes differ daily?

My boottimes differ on a daily basis ( in Kubuntu, which I use as a daily driver ). Sometimes the BPFilter ( UFW ) will start displaying errors for about 10 seconds. Sometimes it doesn't. Sometimes my ...
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34 views

Windows booting into installer after removing dual boot

So recently i had a setup where i could dualboot into both Windows 10 (Which i later updated to Windows 11) and Kubuntu. But i decided to override my Kubuntu installation with a clean install of Pop ...
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1 vote
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59 views

How to tell which ubuntu-based distribution you're on?

I'm writing a script where I want different code to execute depending on the distribution. Specifically, this is a script for setting up new machines, and I would like to add the kubuntu backports ...
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123 views

Mouse occasionally get stuck in linux

Mouse occasionally get stuck in linux. this is not only with a particular software.i tried different wireless mouses (dell and lenovo) with dongles. it does not show this behaviour in mac and windows. ...
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53 views

configure bluetooth access (to enable GATT notifications) for non-root

I am writing some software that interacts with a Bluetooth Low Energy device. Specifically, it receives GATT notifications. The code could not access the BLE service until, as a first 'hack', I edited ...
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296 views

Kubuntu 21.04 no longer booting in Oracle VM Virtualbox?

Let me start by saying I'm a novice at Linux and a total noob with VirtualBox. I installed Kubuntu 21.04, everything was running great for a few weeks, except the screen size would always boot to ...
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What exact setting does the "Updates" section of Systemsettings change?

Systemsettings has a setting to turn automatic updates on or off: What exactly does this setting do? It apparently doesn't change anything in /etc/apt.
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56 views

Kubuntu 20.04 random freeze on Dell G15 with rtkit-daemon logs

Just installed kubuntu 20.04 on a Dell G15 notebook. Mouse and keyboard gets randomly completely unresponsive with a freezed screen after a few minute-hour of usage. After the freeze cooler spins up ...
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3 votes
0 answers
114 views

Kubuntu 20.04 "Filesystem mounted at '/' is not responding"

I am running a HP Zenbook with: i7 processor 32gb RAM 1TB SSD Plasma Version : 5.18.5 As of last night, after performing some updates on Kubuntu my Desktop shell has become really laggy and ...
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1 answer
39 views

Kernel 5.11 probably doesn't like my TPM settings (Asus X541UAK)

This week I've tried several different Live USB Linux distros on my Asus X541UAK (4 GB RAM, 500 GB HDD, Inter Core i3-7100, Windows 10 Pro 19043 [latest], BIOS v311 [latest]): Manjaro 21.1.1, with ...
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0 votes
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74 views

Kubuntu Plasma Login screen is frozen when switching users

I have two users sessions running. I can switch between users without error most of the time. But after a while, after I try to switch users, on the login screen for the user I am swtiching to, the ...
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41 views

Laptop keys for brightness no longer working in Kubuntu 20.04?

Over the last few weeks after performing some updates, the two keys for adjusting brightness in my laptop have stopped working. Weirdly when I press the keys now, it now toggles the mute of my ...
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1 vote
0 answers
16 views

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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185 views

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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2 votes
1 answer
379 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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0 votes
1 answer
25 views

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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54 views

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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44 views

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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125 views

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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  • 101
0 votes
1 answer
78 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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0 votes
1 answer
94 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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1 answer
55 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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1 vote
1 answer
73 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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