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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5 views

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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31 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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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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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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25 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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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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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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9 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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36 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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15 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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30 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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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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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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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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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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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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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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21 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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22 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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36 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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19 views

Kubuntu 20.04 Display Errror

I have a problem with my resolution. System Kubuntu 20.04 64bit. Graphics 1050Ti. Display LS23EMDKU/EN. Current Resolution 1920×1080. I must set force dpi (96) font because I can't see anything. My ...
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137 views

Ubuntu ahead of Debian unstable

Apart from debian stable, testing and unstable branch contains more recent version of software. Ubuntu takes unstable one and maintains its own release system. But my point is for example KDE. KDE 19 ...
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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
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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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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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95 views

Linux kernel crc32.h missing from /usr/include/linux

I am trying to use the the Linux Kernel crc32 generation facility. I need to do a crc32 of some data to be sent over the wire (independent of any transport methodologies) to an embedded system. The ...
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1answer
88 views

Is it possible to recover my HDD

Recently my PC running Debian crashed and I had to perform hard reboot. Since then I am not able to detect my 500GB Seagate HDD with around 6 partitions. At first it wasn't being detected in BIOS but ...
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42 views

Accidentally moved /usr now kde is broken. Do I need to re-install?

Okay, so I have a laptop with Windows 10 and KDE neon dual boot. While trying to fix a problem (Linux root did not have enough space left) I accidentally moved /usr to /home. I tried to fix it but ...
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previous successful Kubuntu 20.04 LTSB EFI dual boot now boot looping?

One day my touchpad stopped taking input so I rebooted my laptop & haven't since been able to return to Kubuntu. When choosing it in GRUB I see (1) the OEM logo for ~1 sec, (2) the Kubuntu splash ...
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Mounting a Samba Share as a File

This issue has been driving me crazy after about three months of fussing with it. Here's the current situation. I have an ntfs drive (left over from the windows days) on a computer running Kubuntu ...
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283 views

I am trying to install 8192eu driver on Ubuntu 20.04.01, after following every guide and forum I can find it is still not coming up on my driver list

I have just installed Ubuntu 20.04.01 and am trying to install the correct driver for my TP-LINK TL WN-821N, there is a popular github repo for it that I have followed and is basically the only answer ...
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29 views

Modify context menu for “Tasks” on KDE “Task Manager” Widget

Modify context menu for "Tasks" on KDE "Task Manager" Widget I have been looking online to no avail on how to add an context menu option to the Task Manager (hotbar) that sends ...
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90 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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76 views

Kubuntu installer changing partition table for unused disk?

I'm trying to install Kubuntu 20.04 from a USB key to an external (USB) hard drive. The system I'm using to do the installation is an Arch Linux that I'd like to leave untouched. The disk setup looks ...
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149 views

Kubuntu : Set color scheme to “Breeze Dark” from command line

I am trying to change Kubuntu 20.04 color scheme through the command line. What I thought was the solution unfortunately didn't worked. What am I doing wrong ? In ~/.kde/share/config/kdeglobals , set :...
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37 views

'~/.gnupg' created on login although $GNUPGHOME is set to another directory

I'm using Kubuntu v20.04. I've noticed that the ~/.gnupg folder is automatically created at login though I have properly exported $GNUPGHOME. Also, gpg runs from $GNUPGHOME leaving me wondering as to ...
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156 views

xinput | Button Mapped to Double-Click - How to Remap?

I'm musing a button with 12 xinput buttons (Contour Unimouse) - 1 2 3 4 5 6 7 8 9 10 11 12. Among its buttons, it has: One physical left button One physical middle button One physical right button A ...
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84 views

Two IP on the same subnetwork

My problem is the following. (kubuntu 14.04 64bits, kernel 4.40) I have a remote computer (on another place, I can't go on site) that have two network cards. On the second card (eth1), I have a dhcp ...
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14 views

No Soundcard detected on laptop

I am running Kubuntu 20.04 on a dell XPS Dev edition. Sound used to work, but it recently stop working and no sound card is beeing detected $ sudo inxi -SNA ...
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1answer
1k 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
68 views

Help with partitioning scheme for new Kubuntu dual boot

I have a 256 GB SSD and a 1TB HDD in my laptop. I want to dual-boot Kubuntu 20.04 with Windows 10. Please explain what exactly do /var and /tmp do, because I need to do some web developing and want to ...
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3answers
65 views

Kubuntu takes more than 2 minutes to boot!

Okay... so I did something which I was probably not supposed to do. I have a 256 GB SSD. GParted from a live Kubuntu CD showed that I have 16gb of unallocated space. I wanted to add it to the root ...
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51 views

Kubuntu 14.04 download source

I want to download and use Kubuntu 14.04 (a.k.a Trusty Tahr ) ISO ( for testing some features on the latest KDE 4 release ) but looks like the official download link is no longer available. In the Old ...
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277 views

PCI passthrough stopped working in (K)ubuntu 20.04 guest, but only after login

I have been using KVM/QEMU for GPU passthrough successfully for over a year now. In my case, I was passing an GTX1070 to linux and an AMD RX480 to Windows. When my Arch installation got messed up, I ...
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410 views

KUbuntu 20.04: ACPI Error: No handler for Region [RAM_] (0000000035790e19) [EmbeddedControl] (20190816/evregion-127)

I just installed Kubuntu 20.04 LTS Dual Boot with Windows 10 Pro. My Windows 10 Pro work fine. My Kubuntu also work, but some times it show error when boot. I can use Kubuntu without any problems. ...
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3k views

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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2answers
2k views

[drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun

I'm running a fresh install of Kubuntu 20.04. Many times when I shutdown (not every time, but often), it pauses for a minute or so before showing the error: [drm:intel_cpu_fifo_underrun_irq_handler ...
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747 views

RabbitVCS Install On Thunar / Kubuntu 20.04

I'm trying to get RabbitVCS working on Kubuntu (20.04) via Thunar (1.8.14), but try as I might, nothing seems to work. Certainly it doesn't work according to their official install directions. I ...

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