Latest Ubuntu related questions

Score: 0
Vishal Singh avatar
Dell KB216 keyboard not working properly in Ubuntu 20.04
in flag

I just replaced Logitech K200 keyboard with Dell KB216. When connected standalone, the Dell Keyboard isn't working properly. It is misbehaving, the response is delayed, sometimes doesn't even respond to key presses. However, when I connect both keyboards simultaneously, both are working fine. I am using Ubuntu 20.04.

Working perfectly fine with my Windows Desktop.

Can someone help me resolve this is ...

Score: 1
lnee avatar
cmake give me ECMFindQmlModule when complileing plasma-bigscreen
td flag

This is the output. Note, I do have extra-cmake-modules installed. ubuntu 21.10 rpi 4

CMake Error at CMakeLists.txt:16 (include):
  include could not find load file:

    ECMFindQmlModule


Installing in /usr/local. Run /home/lnee/Downloads/plasma-bigscreen-master/build/prefix.sh to set the environment for plasma-big-launcher.
fatal: not a git repository (or any of the parent directories): .git
CMake Erro ...
Score: 0
How to prevent Ubuntu to change my default audio output when a new one is detected?
cn flag

I am currently on Ubuntu Budgie 20.04 using the GNOME desktop.

I have speakers and sometimes I have to connect multiple audio devices through my usage.

Is there a possibility to prevent the default audio output to change when I connect a new one? (using GNOME or CLI)

Score: 0
Arzybek avatar
Ubuntu and Windows on separate disks boot option
id flag

I have a Windows installed on my HDD drive. I bought a SSD and installed Ubuntu on it as it's described in this question answer and partitioned it as it says in this question answer (on sdb of course). But in the first one it says that after installation there would be an option to choose OS:

So open BIOS, change boot disk priority so that the disk containing Ubuntu comes first.

This time, GRUB will b ...
Score: 0
Hasan Ali avatar
Using ftp to transfer a file between Mininet hosts
in flag

I want to start an ftp server on one Mininet host and access that server from another host, Here is what I've tried:

  1. Installing vsftpd on the Mininet VM, the server works fine to access the VM itself but I cannot figure out how to run the server on a specific host, say a host with IP = 10.0.0.10.
  2. I tried what this thread suggested, the second answer seemed promising but sadly it did not work, after runn ...
Score: 0
Zaka04288 avatar
When I try to update my system it keeps telling me
co flag

E: The repository 'http://ppa.launchpad.net/deadsnakes/ppa/ubuntu impish Release' does not have a Release file. E: The repository 'http://ppa.launchpad.net/micahflee/ppa/ubuntu impish Release' does not have a Release file.

Score: 0
Николай Кочетков avatar
Can't poweroff, reboot Ubuntu on ASUS ROG x13

It shows the message "reached target reboot/poweroff" and halts. When I turned on udev debug information it showed "AMD Sensor Fusion Hub is taking too long". What can I do to get rid of this problem? I've already tried different boot options like acpi=off etc.

Ubuntu 21.10 Kernel version 5.13 AMD Ryzen 9 5900HS NVIDIA GTX 1650 Max-Q

Score: 0
Valeria avatar
devices.allow: operation not permitted: unknown
cn flag

I am trying to use nvidia-container-toolkit to use the CUDA-enabled GPUs and corresponding NVIDIA drivers from the Docker container or to use CUDA inside the container in any other way without modifying the downloaded Docker image.

From nvidia-smi I have:

| NVIDIA-SMI 450.156.00   Driver Version: 450.156.00   CUDA Version: 11.0     |

From nvcc --version:

nvcc: NVIDIA (R) Cuda compiler driver
Copyrigh ...
Score: 0
How can I capitalise letters after a certain character
eg flag

How can I capitalize letters before a certain character? (^)

I am trying to do the reverse of the above link.

I want to capitalise everything after a certain character or word.

It can be using awk, sed or bash

example

before

 foo^bar
 foobar ^ foobar

after

 foo^BAR
 foobar ^ FOOBAR

Thanks

Score: 20
Matthew avatar
Why does today's kernel update need half a gigabyte of disk space?
ru flag

I got a notification of updates to Ubuntu 20.04. I always check the list of updates to decide how serious a backup I need to do before updating. Today's kernel update (5.13.0.28.31~20.04.15) needs half a gigabyte of extra disk space:

$ sudo apt upgrade 
...
The following NEW packages will be installed:
  linux-headers-5.13.0-28-generic linux-hwe-5.13-headers-5.13.0-28
  linux-image-5.13.0-28-generic linu ...
Score: 1
lealoureiro avatar
Intel UHD 770 on Ubuntu Server 20.04.3 no /dev/dri
gb flag

I've installed Ubuntu Server LTS 20.04.3 (5.4.0-97-generic) on my home server, that has an Intel 12th 12500T. This CPU has included graphics Intel® UHD Graphics 770.

But I notice I cannot find the /dev/dri that can be used for hardware acceleration like transcoding etc.

I also tried to install intel-media-va-driver-non-free from intel repositories but still no success.

I know this is a very recent CPU/ ...

Score: 0
KEYBOARD freeze in ubuntu 20.04.03
at flag

Laptop keyboard is not working when I switch on the laptop.Keyboard Language is added but then also it is not working . I had uninstalled the os and reinstall it but then also same problem is occuring. In Libre office nothing is typing . What are the ways to solve this problem?

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