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.
142
questions with no upvoted or accepted answers
12
votes
1
answer
11k
views
How to deal with freezes caused by autofs after network disconnect
I mount four servers (3 via cifs, 1 via sshfs) using autofs.
auto.master
/- /etc/auto.all --timeout=60 --ghost
auto.all
/mnt \
/server1 -fstype=cifs,rw,credentials=/etc/.smbcredentials....
- 328
6
votes
0
answers
10k
views
Issue while booting Kubuntu on VirtualBox: drm vmw_host_log vmwgfx error failed to send log
I have installed Kubbuntu as guest one virtualbox on Windows 10 and now when I want to boot it take a long time showing this message:
[drm:vmw_host_log [vmwgfx]] ERROR Failed to send log
What is ...
- 379
5
votes
0
answers
4k
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 ...
- 183
5
votes
0
answers
647
views
kde5/plasma5/kubuntu: how to list kreadconfig5 all available config groups
I’m new to KDE5/Plasma5. I’ve recently installed Kubuntu 17.10 am came from Gnome 3.
I’d like to list all available config groups (not to confuse them with user groups).
In Gnome 3 I used gsettings (...
- 228
4
votes
1
answer
443
views
How to toggle audio between PC and TV set?
I created a script that toggles audio output between PC and TV set connected via HDMI. It looks so:
inactive_sink_id=$(pacmd list-sinks | grep -E "[^*] index: [0-9]+" | sed -r -e "s/.*([0-9]+)/\1/g")
...
- 1,235
4
votes
0
answers
776
views
How to change the width of tasks in taskbar?
I am using Kubuntu. I am interested in changing the width of tasks in task manager but didn't see it in 'Task Manager Settings', Is there a config file for this or how to do it anyway?
- 371
4
votes
0
answers
940
views
How can I crop a 1920x1200 monitor to 1920x1080?
I have just purchased a 1920x1200 monitor, and have some situations where I want to force the output to the more common 1920x1080. However, I don't want to distort the output, and would prefer a "...
- 19.8k
4
votes
0
answers
1k
views
How to properly configure GRUB settings from KDE System Settings
I'm using Kubuntu 12.04 with KDE 4.10, and I recently installed the kde-config-grub2 that places a nice Grub configuration panel into KDE System Settings.
I played around a bit, more for learning how ...
- 834
3
votes
0
answers
474
views
Laptop & External monitor issues
Expected behavior:
plug in an HDMI cable to my laptop and use external monitor.
What I need help with:
How can I ensure I don't bork a fresh install trying to get my nvidia graphics card to play nice ...
3
votes
0
answers
501
views
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, ...
- 171
3
votes
0
answers
232
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 ...
- 193
3
votes
0
answers
478
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 ...
- 645
3
votes
1
answer
1k
views
Remove or prevent launch of winebrowser. (Kubuntu/KDE plasma 5)
On my Kubuntu 18.04 LTS computer, WINE's inbuilt browser "winebrowser" appears bugged. When launched, it gets stuck in an infinite launch loop, spawning winebrowser after winebrowser after winebrowser....
- 129
3
votes
0
answers
208
views
Linux Kubuntu booting into dead screen on exactly every second boot
I hope you can help me. I tied a few solutions to similar problems, but none seemed to have worked for me.
My set-up:
OS: Linux Kubuntu 19.10
MB: ASUS PRIME B350-PLUS
CPU: AMD Ryzen 3 1300X
GPU: ATI ...
- 31
3
votes
0
answers
526
views
Configure Yakuake Terminal Separator Color?
I am using KDE 5 with Yakuake as my drop-down terminal, on Kubuntu. I am now encountering a documented bug, which is that the separators between multiple terminals only show on a black background. ...
- 1,092
3
votes
0
answers
126
views
Directing sound output for specific applications
I'm trying to direct the sound from Youtube running in Opera to my sound card's HDMI output (to a TV), but still have all other OS sounds go to my PC's "Built-in Audio Analog Stereo" playback device. ...
- 31
3
votes
1
answer
5k
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 ...
- 31
3
votes
0
answers
189
views
Automatically restarting process in the X server
I would like to know how to have a process that starts with the X server and automatically restarts when it stops running. I am running Ubuntu 14.04 with a KDE 4.13.3 desktop.
I am running the ...
3
votes
1
answer
1k
views
How to customize logout options under Kubuntu
I'm running a machine with Kubuntu and Windows XP in dual-boot.
I recently learned about the very useful grub-reboot command, and id like to know if it is possible to customize the logout options (...
- 834
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 ...
user32012
2
votes
0
answers
877
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 ...
- 121
2
votes
0
answers
37
views
Limit mouse / pen tablet to a single app (i.e. Krita)
Multi seating use case (Using Kubuntu 22.04.1 / Plasma5) with single display:
Huge 65/4K Desktop Screen with plenty of space
Second mouse/Tablet/Keyboard USB input devices plugged on the same ...
- 131
2
votes
1
answer
1k
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 ...
2
votes
0
answers
289
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 ...
- 146
2
votes
0
answers
150
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 ...
- 121
2
votes
1
answer
616
views
How to fine tune Linux cache/swap ratio?
I've got a problem with my PC which makes the GUI almost unusable, very sloppy until dead.
I've come down in my analysis that it is caused by the cache/buff forcing too much swapping. Is there any ...
- 403
2
votes
0
answers
943
views
Simulating UVC webcam from v4l2loopback stream
Is there any way to emulate a USB camera device (UVC) from my v4l2loopback stream at /dev/video0, so my linux can recognize it as a real USB device?
- 101
2
votes
1
answer
1k
views
Use audio output USB device
I have a Roland TD-30 drum connected using USB to my computer. The USB device support MIDI and audio input/output. Currently Linux does see the USB card. aplay -l shows:
kaart 2: TD30 [TD-30], ...
- 189
2
votes
0
answers
62
views
Disabling monitor when is turned off/in standby in a multi-monitor setup
I have a dual monitor setup. The problem is that 50% of the time I don't need my second monitor, and as such I will "turn it off" (i.e. press the power button ⏻) which results in the screen going in ...
- 817
2
votes
0
answers
127
views
Linux USB stick shows white noise screen on machine with AMD graphics card
I installed Kubuntu 18.04 on a flash drive (I had 2 flash drives, one with the installer ISO from which I installed linux onto the other one) on a machine with an NVIDIA graphics card (GTX770, i7 ...
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
0
answers
36
views
Not Booting past Logo
I have been messing around with uninstalling a program (emacs24) on Kubuntu 14.04 and for this followed this instruction:
(see Hartmut's answer).
After I didn't manage to get rid of all emacs files, ...
2
votes
0
answers
1k
views
Kubuntu/Plasma(?) crashes on dual monitor setup
I'm using the latest Kubuntu /w Plasma. Usually I have one external monitor, which I connect to my laptop. Everything worked sort of fine (except of few restarts needed to get both displays working ...
- 121
2
votes
0
answers
424
views
What caused this ext3 filesystem / mounting problem?
((K)Ubuntu 12.04, kernel 3.2.0-38-generic, fstype ext3)
I recently came across the 'great idea' of using hibernation to save state in my main OS, while I boot another OS. I've done this without ...
- 397
1
vote
0
answers
19
views
How to apply same settings for Yakuake and Konsole flatpak?
I attempted to install Yakuake and Konsole using Flatpak due to issues with the default installation, which produced garbled output and occasional blank lines, resulting in inconsistency. After ...
1
vote
1
answer
211
views
How do I resolve this GStreamer codec update fault?
I recently installed KUbuntu on a Lenovo Ideapad laptop. It's functioning fine aside from a problem that came up with a recent update—after updating all packages, three remained:
GStreamer Multimedia ...
- 311
1
vote
0
answers
80
views
`md(4)` command turns screen on when it starts or stops checking the arrays
Every time md (or is it mdcheck?) performs a RAID check or pauses/continues it, the screen of my device turns on.
These are the relevant syslog entries, the screen turned on at 6:15:
Jul 4 06:11:25 ...
- 837
1
vote
0
answers
39
views
External NVMe slow once?
I’ve bought an external NVMe and the first time I’ve tried to copy a (large) folder it was super slow.
I’ve immediately thought of some defects but smartctl doesn’t report anything wrong, then I’ve ...
- 11
1
vote
0
answers
184
views
Kubuntu freezing for no apparent reason - xdg-desktop-portal-kde[2594]
Kubuntu is crashing on seemingly random occasions about once a week.
After a crash
journalctl -b -1 -e
shows the following events:
xdg-desktop-portal-kde[2594]: xdp-kde-background: GetAppState called:...
- 11
1
vote
1
answer
342
views
How to enabling big_writes option during mounting of ntfs drives in kubuntu 22.10
During copying of big files i am suffering from high cpu usage. I read multiple linux forums saying adding big_writes flag during mount of ntfs drives results is less cpu usage.
Below is my ...
1
vote
0
answers
360
views
Installed Ubuntu 22.04.1 on NVME disk and then previous Ubuntu on SSD disk won't start
How to fix the problem in topic? The latest installation was done from a USB stick using boot option in BIOS saying UEFI for the USB stick
Both Ubuntu installations are Kubuntu 22.04.1.
update-grub:
...
- 239
1
vote
1
answer
3k
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 ...
- 115
1
vote
0
answers
314
views
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 ...
- 111
1
vote
0
answers
70
views
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 ...
- 232
1
vote
0
answers
186
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 ...
- 131
1
vote
2
answers
494
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 ...
- 11
1
vote
1
answer
37
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. ...
- 11
1
vote
1
answer
202
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 ...
- 11
1
vote
1
answer
186
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 ...
- 111
1
vote
0
answers
173
views
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 ...
- 11