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Questions tagged [kubuntu]

Kubuntu is an official flavor of Ubuntu, using the KDE Plasma desktop environment. Use this tag for questions specific to this flavor.

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Official pages mentioning system requirements for official Ubuntu flavours [duplicate]

I have a 11.6 inch Asus laptop with following configuration OS: Windows 10 Home Processor: Intel Celeron N4500 Processor 1.1 Ghz (4M Cache, upto 2.8 GHz, 2 cores) Memory: 4GB DDR4 onboard, Memory Max ...
Jignesh Gohel's user avatar
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13 views

Bluetooth connection buggy - have to disconnect and reconnect to get the audio output device on Intel AX201 wireless adapter

So I just installed Kubuntu 24.04 about a month ago on my Acer Aspire A315-58 laptop, I really love it for personal and work usage and how fast and lightweight it is, and have found myself rarely ...
yes.'s user avatar
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19 views

Primary DisplayPort Monitor connection not recognized by GUI. Works in GRUB

Kubuntu displayport Dell Optiplex 9010 Dell Monitor, Intel (R) HD Graphics 4000 monitor displays GRUB after selecting Kubuntu display goes black My ancient Dell 9010 Optiplex runs Windows 10 ...
Hawkmeister's user avatar
-1 votes
0 answers
25 views

Kubuntu shutdown

I had tried to shutdown kubuntu 24.04 but it did not shutdown ,then I tried to restart it ,that did not work ,does anyone know the problem and how to fix it
benito alappat's user avatar
0 votes
1 answer
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java and minecraft error libjvm.so

So I'm trying to play Minecraft and I keep getting this error, Here is the log https://pastebin.com/4P3v22Xh
Marcus Shirley's user avatar
-1 votes
0 answers
19 views

Kubuntu dolphin admin

How do I go about extent the admin login for dolphin Kubuntu 24.04 I've edit the profile.d and added logout.sh #!/bin/sh # Sets auto log out for all users to 2 hours TMOUT=7200 readonly TMOUT export ...
Marcus Shirley's user avatar
-1 votes
0 answers
36 views

xscreensaver constantly pops password prompt on Kubuntu 24.04

xscreensaver worked fine on 18.04, but something in 24.04 causes the password prompt to keep popping up and timing out. I tried adjusting mouse sensitivity and Kubuntu's BS notification settings. ...
TechnoHater's user avatar
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20 views

Disable network "disconnect button" in kde ubuntu

Is there any way to disable network "disconnect button" in kubuntu KDE, or hide it? Can't find any information or resolution to make this happen. Has anyone done this? Is it possible to ...
Marvin Jackson's user avatar
-1 votes
0 answers
42 views

Xscreensaver login prompt appears over and over (Kubuntu 24.04)

Doesn't happen every time I lock it, but it keeps happening. It'll just pop the login screen over and over. Never had this problem on 18.04. This is why I hate upgrading. Ridiculous issues that should ...
TechnoHater's user avatar
0 votes
1 answer
56 views

Cannot change SDDM theme on Kubuntu 24.04

I just installed Kubuntu 24.04 and the default theme is very bright and white, I am trying to select something more dark, but none of the themes (including the breeze) seem to work. I go to system ...
Weston's user avatar
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Wifi card only works after Ethernet is connected but stays working when cable is disconnected

Im having a strange problem with my AC 9260 wifi-card. Its hardblocked in rfkill untill I connect ethernet for a brief second and then its unblocked untill I reboot the system. To clarify i only have ...
Fabian Grindborg's user avatar
3 votes
1 answer
354 views

Kubuntu 24.04 LTS doesn't boot right after install. Grub option allows boot but breaks brightness and night color control. Intel integrated graphics

OS: Kubuntu 24.04 LTS Laptop: Lenovo IdeaPad 3 17IAU7 Hardware: running lspci command returns: 00:00.0 Host bridge: Intel Corporation Alder Lake-U15 Host and DRAM Controller (rev 04) 00:02.0 VGA ...
tiredUser's user avatar
-1 votes
1 answer
66 views

Bluetooth not discovering devices, driver current (Kubuntu 24.04)

New to Kubuntu (24.04) this week and trying to get everything set up, I found that bluetooth is not detecting any devices (I have tried with several devices in pairing mode that work on other OS and ...
cdyswnnr's user avatar
-1 votes
1 answer
67 views

No wifi on Asus Vivobook (Kubuntu 24.04)

New to Kubuntu as of yesterday, on an Asus Vivobook laptop. I have a USB wifi dongle that is recognized and allows me to connect to wifi, and after the first time I ran apt update & apt upgrade ...
cdyswnnr's user avatar
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13 views

Conversions no longer working in KDE Plasma launcher or KRunner

Converting for example temperatures -5C in F or currencies 5CAD to USD and so on used to work in the KDE Start menu / launcher in 23.10 (mantic), but apparently no longer does after upgrading to 24....
P Varga's user avatar
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31 views

Read-only in ntfs partition

I use Kubuntu system with several SSD-devices. Most of them use NTFS because I have to use Windows as well. $ df -h Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 3.0M 3.2G ...
Rikitiki's user avatar
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Why rubbibg Elasticsearch under kubuntu 22.04 I got out-of-memory error?

After installing Elasticsearch under kubuntu 22.04 I got error : A process of unit @UNIT has been killed by the Linux kernel out-of-memory when trying to run it. I see next output : root@master-at-...
mstdmstd's user avatar
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35 views

Cannot move tabs around with touch screen in Firefox

I am using Kubuntu 24.04 (Wayland) on a laptop with touch screen. With the touchpad/mouse I can move the tabs around, and drag a tab out of the Firefox window so that the tab gets its own window. ...
Archisman Panigrahi's user avatar
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43 views

No output or input devices found on Kubuntu post upgrade from 23.10 to 24.04

After I upgraded to Kubuntu 24.04 the sound is not working anymore. It shows no output or input devices found. I reinstalled pipewire using the following command. sudo apt reinstall pipewire pipewire-...
Sudhir Singh Khanger's user avatar
-1 votes
0 answers
39 views

Laptop screen keep on turning off (Kubuntu 24.04)

My laptop screen turns off "randomly", mostly when I use it on battery (on AC also but more rarely). It's a quite new one with an nvidia graphics card and dual boot (win11 and Kubuntu 24.04) ...
helloblu's user avatar
0 votes
1 answer
38 views

Help with firefox snap icon

So I wanted to make firefox snap use the icons in my theme. I followed an older forum post that suggested copying desktop file for /var/lib/snapd/desktop/applications/firefox_firefox.desktop to ~/....
haydro karbon's user avatar
0 votes
1 answer
33 views

Kubuntu 22.04 wlp2s0 wifi connected, but doesn't exist in "connections" app

Running kubuntu 22.04 on older Dell Inspiron P75F. Wifi connects as wlp2s0 and internet is accessible. However, the device is missing from the "connections" app and the "network" ...
user3617386's user avatar
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KDE Spectacle exits fullscreen applications

I'm using kubuntu installed in stock ubuntu 22.04. Whenever I press the screenshot hotkey, Spectacle focuses on itself and exits out the fullscreen app. I've tried tinkering around in the settings, ...
kab4333's user avatar
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62 views

Installed kUbuntu 24.04, facing issues with keyboard and bluetooth headphones

I did fresh install of kUbuntu 24.04 while keeping the home directory untouched. I was previously using kUbuntu 22.04. I am facing 2 issues: Keyboard layout is giving me problem where wrong symbols ...
Alex Jones's user avatar
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1 vote
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201 views

Kubuntu 24.04 LTS everything scaled after installing nvidia drivers

I installed Kubuntu 24.04 today and it looked fine. Then I installed Nvidia drivers using ppa repository and sudo apt install nvidia-driver-555 and everything just scaled and looks big after that and ...
Kabeer Arora's user avatar
-1 votes
1 answer
69 views

KDE Plasma 5 black screen on boot

I have a HP EliteBook 840 with Kubuntu 24.04 LTS It was running fine however today I ran sudo reboot nowfrom inside a tmux terminal. Now I get a black screen upon ubuntu boot. I can boot into bios. ...
fiji's user avatar
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1 vote
1 answer
92 views

error while runing blender binary on kubuntu 24.04

when i try to run ./blender (inside the folder the binary is in) it shows me this error: EGL Error (0x3009): EGL_BAD_MATCH: Arguments are inconsistent (for example, a valid context requires buffers ...
sotha1's user avatar
  • 21
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0 answers
53 views

Plasma Vault empty when opened

Upgraded Kubuntu 18.04 to 22.04 and during the process it said that encfs was now considered insecure but I elected to keep as the current vault is encrypted with it. Then when opening the vault after ...
Barry Morgan's user avatar
-1 votes
0 answers
153 views

vpn nor working properly after update to kubuntu 24.04 - updated

I'm using openvpn. Everything was working fine, until I updated from ubuntu 22.04 to 24.04. Now I cannot access some internal websites. When the vpn is connected the following happens: I can ssh to ...
cauchi's user avatar
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-3 votes
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113 views

How can i dualboot Kubuntu 24.04 LTS with Windows 10 or 11 on the same drive but diffrent partitions?

How can i dualboot Kubuntu 24.04 LTS with Windows 10 or 111? I only saw some options similar to Something else or Manual Partitioning.
CappyNine6950's user avatar
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0 answers
23 views

Polkit Login Screen issue in Kubuntu 22.04 lts

After yesterdays update, the login screen gets replaced by the dumbest '.. Contact system administrator' message. Ctrl alt F2 etc work fine. There are no issues in the boot messages. Syslog has a few ...
Mani A's user avatar
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0 answers
18 views

vscode failed to fetch Forbidden IP repository not signed

i use Studio code as programming IDE. If i try update the system i get the following error: E: Failed to fetch https://packages.microsoft.com/dists/vscode/InRelease 403 Forbidden [IP: 2620:1ec:bdf::...
SL5net's user avatar
  • 624
1 vote
2 answers
127 views

Can't get past sddm after upgrade to 24.04

Just upgraded to 24.04. System is old (Pentium) but no graphics card bs to deal with, it's all intel. System boots fine but after password is entered it won't get out of the login manager and into the ...
Peterson Silva's user avatar
0 votes
0 answers
32 views

Kubuntu 24.10 "add virtual device" in audio settings not showing

Hi I'm trying to get simultaneous audio output in line out and headphones, I enabled "Show virtual devices" in volume control, but nothing happens, and the option to "Add virtual ...
César Moltoni's user avatar
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0 answers
39 views

Unable to activate usb sound card

I don't know if this is the right place to ask this question. Hoping I can get some help. I am a amateur radio operator attempting to use a Digimode 3 sound card interface to transmit and receive ...
Andy's user avatar
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0 votes
1 answer
59 views

My First M.2 Drive Boot Issues

I'm using a 2TB WD Black SN770 NVMe SSD on an MSI MAG Tomahawk B550 mobo. The system boots, but it takes way too long (approx. 3 minutes) and it will NOT reboot from the $ reboot command nor from the ...
Mark63's user avatar
  • 1
2 votes
1 answer
127 views

ERROR: Could not find KDE4 kde4-config

I was trying to install the Krunner plugin "Qalculator Runner" and it asked me to install it manually. And in the READme file, the first step was to cmake . in the main directory. So I ...
Zayaan's user avatar
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0 answers
56 views

While installing Kubuntu, boot/EFI is been allocated windows EFI partition rather than the partition I created on different disk

I installed Kubuntu on my other harddrive. It was working fine but as soon as I check me file system using 'df', it showed all the files are in their respective partion in other harddrive but boot/EFI ...
Mohit Soni's user avatar
0 votes
0 answers
43 views

Upgrading my Kubuntu bricks the GUI

I have a Kubuntu 22.04.4, kernel 5.15.105, and GPU Nvidia GTX 1650. When I upgraded my system with the command sudo apt update && sudo apt upgrade -y It has upgraded the kernel to 5.15.107. ...
Ícaro Lorran's user avatar
0 votes
0 answers
44 views

kubuntu 24.04 goes to re-login screen after 10 minutes of inactivity, despite disabling 'screen saver' in 'Settings'

and i have to say : it's very annoying. i have tried turning off the screensaver settings in Settings -> Power Management, but that didn't help. now one can't even listen to music mixes without ...
Rene Veerman's user avatar
2 votes
0 answers
32 views

Kbuntu 23.10 Desktop doesn't "sleep"

When I hit the sleep button or execute sudo systemctl suspend, the screen goes off and then turns back on at the lockscreen. I have tried googling this issue, but can't get a solution yet. Below are ...
parag's user avatar
  • 21
0 votes
0 answers
101 views

kubuntu 24.04 : volume controls on keyboard stopped working

I did a clean full install of Kubuntu 24.04. Sadly I have lost volume control via my keyboard's volume keys. I can only adjust the volume from the 'settings' OS app. minor slip-up?
Rene Veerman's user avatar
1 vote
2 answers
231 views

Apache2 on 24.04 won't start when php is installed

> mei 25 16:20:42 parakeet apachectl[15124]: apache2: Syntax error on line 148 of /etc/apache2/apache2.conf: Syntax error on line 3 of /etc/apache2/mods-enabled/php8.1.load: Cannot load /usr/lib/...
Rene Veerman's user avatar
0 votes
0 answers
104 views

kubuntu 24.04 installer stuck at kubuntu-installer-prompt (& wont boot beyond password prompt!)

Kubuntu 22.04 started showing serious quircks in it's visual display (combining the variety background switcher with plasma semi-transparent windows), so i thought today would be a good day to upgrade....
Rene Veerman's user avatar
1 vote
1 answer
2k views

Ubuntu after upgrade to 24.04 does not use gpu

After upgrading to ubuntu 24.04 from 23.10 suddenly the gpu stopped working. Browser, KDE plasma, steam games use software acceleration. What's more, KDE plasma on wayland has stopped working and ...
Gabriel Majewski's user avatar
0 votes
1 answer
176 views

Kubuntu 24.04 - Apps aren't show in tray (panel)

All icons are in tray (wifi, notifications, sound, CTRL+C, ...) but there are not any apps (Pidgin, Thunderbird). And it's new instalation of Ubuntu 24.04 (with my old profile data). I tried create ...
Lukáš's user avatar
  • 21
8 votes
1 answer
2k views

Kubuntu 24.04 Black Screen / Not Booting After Upgrade

I suspect this will be along similar lines to other folks, but in reading numerous posts I cannot find any that are really similar to my issues. History... Perfectly working Kubuntu system, no issues ...
GregoInc's user avatar
  • 111
1 vote
1 answer
40 views

Custom Shortcut to type a string containing spaces. Kubuntu 23.10

I need to to create a new key that types a string that contains one or more spaces. So for example, if I need frequently enter an address string like "123 Main St." Using "Custom ...
user3617386's user avatar
0 votes
0 answers
42 views

Using Kubuntu 24.04 Whatsapp desktop on Opera and Firefox on snap or outside snap don't allow to download the files except PDF

Using Kubuntu 24.04 Whatsapp desktop on Opera on snap and Firefox on snap or outside snap don't allow to download any file. Opera download the PDF's Files only. How can I do?
Fabio Montanari's user avatar
0 votes
0 answers
66 views

Using Synaptic in Kubuntu 24.04 - "E: The value 'mantic' is invalid for APT::Default-Release as such [duplicate]

Upgraded to Kubuntu 24.04 from 23.10 using shell commands. Upgrade seemed to go to completion. SOLVED - Synaptic now unusable and displays (when invoked): E: The value 'mantic' is invalid for APT::...
user3478765's user avatar

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