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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.

2 votes
1 answer
370 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 ...
0 votes
1 answer
2k views

set kms specific resolution at boot time

i'm trying to set a specific resolution for kms, at boot time. by default kms choose the highest resolution available (2500x1600) which is a bit hard to read. i'd like to set 1440x900 instead. i ...
1 vote
1 answer
4k 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:...
0 votes
0 answers
44 views

Mesa OpenGL Drivers not Being Appropriately Used

I am setting up a somewhat but not super old laptop (4ish years) and am having an issue with OpenGL. WHen launching programs that use modern OpenGL like Kitty, I get errors such as the following: [0....
0 votes
1 answer
2k views

Kubuntu ACPI BIOS Error (bug) during instalation

I'm trying to install a Linux distro for the first time in my notebook, Kubuntu 18.04.4 LTS in this case. I created a bootable USB drive with Rufus, and tried to boot from the USB, but everytime I get ...
3 votes
1 answer
6k 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 ...
5 votes
2 answers
867 views

How do I use LUKS encrypted partitions with Kubuntu 24.04 installation?

I am trying to install Kubuntu 24.04 with manual partitioning. I have created primary partitions for EFI and boot, and an encrypted partition with logical volumes for swap, root, and home. Previously,...
3 votes
0 answers
4k views

i915 driver issue on kubuntu 22.04 with Intel Xe (TigerLake) graphics

I am experiencing issues with rendering in Kubuntu 22.04 after an update of various packages. The issue is that in booting with the i915 driver, the plasma task bar and also other items using direct ...
3 votes
3 answers
7k 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 ...
26 votes
6 answers
73k 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. ...
2 votes
1 answer
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 ...
2 votes
2 answers
1k views

Kde plasma freezes unexpectedly

I have Kubuntu 22.04.2 LTS. Last few weeks KDE started to 'freeze' occasionally. Is this a known issue? Is there any way how I can gracefully close/restart just the UI from terminal? But most ...
2 votes
1 answer
2k 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 ...
0 votes
0 answers
85 views

Lenovo touchpad becomes very slow in random intervals on Kubuntu

I just installed a fresh Kubuntu on my Ideapad 3. The touchpad was working fine but then after a while, I noticed it became very slow and hard to move in random instances and then it went back to ...
0 votes
0 answers
27 views

Ctrl-= in terminal mode

In Emacs, I have bound Ctrl-= to a custom function. What is strange is that when I run Emacs in a terminal, hitting Ctrl-= just enters an equal sign and does not execute this custom function. In a GUI ...

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