GNOME Shell integration extension is running, native host connector is not detected?

I have followed these steps while installing the gnome extension of chromium in Ubuntu 20.04. Installed the GNOME Shell integration extension on chromium. As per their documentation ran a...

Apache2 ServerName and ServerAlias not working

On a nearly fresh Ubuntu 20.04 LTS computer, I would like to set up a virtual host on my local machine. So I created a index.html under /var/www/test/ with the following content: you have entered...

Rails: Why is bundle install frozen up by sassc 2.4.0

I'm trying to deploy my rails app with Capistrano, however, the deploy process (cap production deploy) is constantly held up at the line: $HOME/.rbenv/bin/rbenv exec bundle install --path...

How to stop Android Studio AVD Emulator from crashing

I installed Android Studio on Ubuntu 20.04 I want to use the emulator (i had tried other tools like and but they were too confusing) Initially I was getting messages about /dev/kvm not being...

How to prevent the ip address of hyper-v virtual switch from being changed?

I have a laptop with Windows 10 2004 installed. I configureded Hyper-V and created two VMs: On one VM runs windows 10 to enclose serveral malware IM softwares which I have to use for working...

Why can't my deployed Symfony application load the bundles.php file?

I have a Symfony web application. I would like to deploy it to a virtual private server. I've developed the application in a Laravel Homestead Vagrant box, and I'm doing the deployment via Github...

Opening a specific port in Oracle Cloud - Ubuntu 18

The above one seems like an easy question, but believe me I have tried multiple methods but all seems to be in vain For example : Port is 8080 1st - I followed many oracle docs and tried opening...

microk8s install problem "cni plugin not initialized"

Upgraded to PC to ubuntu 20.04 and having problems re-installing microk8s (1.19 and 1.20 have the same issue on my PC). starting fresh to demo problem snap remove microk8s Following instructions...

Fresh installation of Artifactory OSS 7.12.6 doesn't start, missing jffe service

I have done everything according to manuals from https://jfrog.com/open-source/ : My Ubuntu version is 20.04. Since there is no "focal" in https://releases.jfrog.io/artifactory/artifactory-debs/,...

ModuleNotFoundError: No module named 'apscheduler'

it might be a silly problem. I have no idea about why I am facing ModuleNotFoundError: No module named 'apscheduler' but I have already successfully installed APscheduler. I have tried...

How can i set starting directory for d: in WSL2?

I am using Ubuntu20.04 WSL2 in Windows 10 I want to approach d: when I open my terminal so I added this in my workspace settings.json "source": "Windows.Terminal.Wsl", "colorScheme": "Monokai...

unable to install g++ and build-essentials in ubuntu 20.04

even after cleaning with apt-get clean it says there are broken packages. sudo dpkg -l | grep ^..r as mentioned in [1] returns nothing. $ sudo apt-get install build-essential Reading package...

_C.cpython-38-x86_64-linux-gnu.so: undefined symbol: _ZN6caffe28TypeMeta21_typeMetaDataInstanceIdEEPKNS_6detail12TypeMetaDataEv

What is the reason for this error and how can I fix it? I am running the code from this repo: https://github.com/facebookresearch/frankmocap (frank) [email protected]:~/research/code/frankmocap$ python -m...

Android studio is giving the following error when I am trying to build a ionic project "Gradle sync failed: Sync failed: reason unknown"

I am trying to build a ionic project in Android studio on Ubuntu 20.04 . I am using the command ionic capacitor build then android studio opens up as expected then it shows this error Gradle sync...

VSCode .NET Core SDK cannot be located

I'm using Ubuntu 20.04 (64 bit, desktop) and just installed VS Code and .NET Core SDK. Intellisense does not work and I get that error message: The .NET Core SDK cannot be located. .NET Core...

increase eclipse toolbar icon size

I am using Eclips on Ubuntu 20.04. I found that font and icons size are too small. When I run GDK_DPI_SCALE=1.1 ./eclipse Font size are ok but toolbar icons are still retaining small size: When...

Github actions can not run the config.sh file in the ubuntu 20.04

I am trying to set up the GitHub actions in ubuntu. I made a folder and install the runner using my root account. Now, this is how permissions look like. When I tried to run sudo ./config.sh...

Cant connect to AWS EC2

I have a ec2 instance with public ip in public subnet Ubuntu 20.04, everything seems open- But I cant ping or ssh to the instance: NACL ( I/b & O/b) : 100 - all/all 0.0.0.0/0 Route Table-...

Compile of openzeppelin ERC721 with tron and tronbox failing

I am hoping someone can help with this. I have been trying to learn smart contracts on Tron with Solidity and tronbox, but I am running into issues when trying to create an ERC721 token. I have...

Nestjs Error: Failed to execute command: npm install --silent I

I tried to install a new nest project via cli for the first time and it abort after a few seconds after choosing the package manager. Error: Failed to execute command: npm install --silent I...

WSL2 docker-compose - unable to prepare context

I am using the Docker Engine running on WSL2 which is running on Windows 10 computer. My goal is to create a service using the Docker-compose that uses the php:fpm image and install the mysqli...

How can I install kubectx on Ubuntu Linux 20.04?

I would like to install kubectx on Ubuntu 20.04. I couldn't find any info on how to do it. Any comment is much appreciated. Thanks!

julia not finding "standard" packages (or LOAD_PATH)?

Upgraded [from 1.5.3] to Julia 1.6.3 on Ubuntu 20.04 [Windwos 10 WSL2] info: building from julia github repo and not via apt My local clone resides on the Windows filesystem and I navigated there...

#2006 - MySQL server has gone away on db import

So I have a new computer and I'm trying to set everything up for some projects. When I try to import some databases I'm getting this message after the import fails in phpmyadmin: Missing...

How to cross compile OpenVINO for limited ARM platform

I want to run OpenVINO with Neural Compute Stick 2 on an embedded linux system with Cortex-A53 and 2GB RAM. But, when I build OpenVINO by this tutorial BuildingForLinux on this platform, building...

MySQL cli client hangs when connecting to Azure managed database

I have a MySQL database on Azure, using the Azure managed database service, and two Ubuntu 20.04 VMs (running PHP applications) in the same VNET. I can connect to the database from both PHP, and...

WSL + Docker file permission issues

I'm using docker-compose in a WSL environment. Currently Wordpress runs in the docker composer. All files in the Projects folder are at www-data group and user which allows Wordpress to create...

CRC mismatch warning running helloworld.c from gdb on ubuntu 20.04.3

I have the most trivial program $ cat helloworld.c #include <stdio.h> int main(void){ printf("Hello World!\n"); return 0; } $ gcc -g helloworld.c -o helloworld Which I'm wanting to run under...

Why do tmux and vim print garbage in my SSH wrapper script?

I have written an SSH wrapper script that does local line editing. It is invoked similarly to SSH. For example: python3 sshwrapper.py [email protected] -CX. The problem is that when I connect to a...

Do 32-bit and 64-bit registers cause differences in CPU micro architecture?

I am trying to compare the methods mentioned by Peter Cordes in his answer to the question that 'set all bits in CPU register to 1'. Therefore, I write a benchmark to set all 13 registers to all...