Latest Ubuntu related questions

Score: 0
getting error when running CUDA samples on ubuntu 20.04
cn flag

I installed Cuda 10.4 toolkit and Cudnn on ubuntu 20.04. Nvidia-smi shows a CUDA version of 11.4. However, nvcc -V command outputs not found.

When I run cuda samples, I recieve following message:

$ cp -r /usr/src/cudnn_samples_v8/ $HOME
$ cd  $HOME/cudnn_samples_v8/mnistCUDNN
$ make clean && make
rm -rf *o
rm -rf mnistCUDNN
cat: /usr/local/cuda/include/cuda.h: No such file or directory
CUDA_V ...
Score: 0
Anayy Yama avatar
I can`t use bluethooth dongle
ma flag

I can`t use bluethooth dongle. This is the code i get when i run dmesg

[ 3763.604707] Bluetooth: Core ver 2.22
[ 3763.604729] Bluetooth: HCI device and connection manager initialized
[ 3763.604731] Bluetooth: HCI socket layer initialized
[ 3763.604733] Bluetooth: L2CAP socket layer initialized
[ 3763.604734] Bluetooth: SCO socket layer initialized
[ 3763.613255] Bluetooth: hci0: CSR: Unbranded CSR  ...
Score: 0
Oğuz KAHRAMAN avatar
Dual Boot Ubuntu 20.04 on Windows 11 without USB Driver
gb flag

I have a laptop windows preinstalled. I upgraded it to Windows 11 and I installed Ubuntu 20.04. Each time I reboot computer, it is automatically booting in Windows. I tried to change UEFI options but it did not work. Eventually, it worked when I plugged the USB driver which has been created by using Rufus. Is it possible to choose what I would like to use as OS after turning on the computer? If it is, h ...

Score: 1
OK-Validation avatar
After extracting an AppImage and making some changes how to build the AppImage again?
lu flag

I have downloaded a software as an AppImage then I have extracted it as follows:

./softwareName.AppImage --appimage-extract

# The result is a directory: squashfs-root

I have made some changes to the settings in that extracted directory squashfs-root.

My question is: How to build the AppImage from the directory squashfs-root

I appreciate your help

P.S: I am using Ubuntu 20.04.3

Score: 0
gonzajf avatar
Can't open any program after encyption of the home folder
in flag

I encrypted my home folder on Ubuntu 20.04.3 LTS following this guide and everything looked ok after doing it.

But when I rebooted my computer and tried to start chrome my pc freezed and I've got this message when trying to running it from terminal:

ERROR: Corruption detected in shared-memory segment.

The freezig also happens when I try to start any other program as vs code or firefox.

Does anybody kno ...

Score: 1
running series of commands gives other result than running them on script
fr flag

this is the script:

#!/bin/sh
rm -rf git/
mkdir -p git/{c,ds/{include,test},projects,quizzes,system_programming}
find git/ -type d -exec touch {}/dummy.md \;

This is the wanted result:

git/
├── c
│   └── dummy.md
├── ds
│   ├── dummy.md
│   ├── include
│   │   └── dummy.md
│   └── test
│       └── dummy.md
├── dummy ...
Score: 0
Samuel Osoba avatar
Problem Uninstalling Telegram via Terminal
cn flag

Having tried many standard terminal commands for removing Telegram which came up Ubuntu 20.04 after installation. All the commands returned error: there is no app like that on the system, though I keep seeing the app on the list of general applications and I can also open it, but not login into it. I tried the following commands:

samuelson@syncserve:~$ flatpak uninstall org.telegram.desktop/x86_64/ ...

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