I want to run ros2 run joint_state_publisher_gui joint_state_publisher_gui when I run it, it says “no executable found”. How would I fix this? I've tried searching online for some answers, but couldn't find any. I've also asked people in the official…
I would like to search for the term "Liszt" within the contents of all text files except their file name. So if there was a file called Liszt Mazeppa.txt it should not be matched as the term "Liszt" is in…
I am having permission denied for Jupyter notebook running on Ubuntu, AWS E2 instance. Below is the image for the error I have tried to use other browser, reinstall it and clear cache. None of it works.
Hello people on the internet. I installed Cordova, Android SDK and java on my Linux machine, but when I run cordova requirements command it's show me this error: What should I do? I also added this code to my .bashrc…
My system is : Ubuntu 20.04 Php 7.4 Nginx I have a php file with following content in /var/www/hamrah.com/create.php path : <?php $output = shell_exec('bash flutter create test'); echo "<pre>$output</pre>"; i run this command in terminal and And this command…
I installed .NET 6 on my ubuntu machine version 22.10 using the snap package manager. I'm wanting to create a web api core project using aspnetcore, but was having issues with linux asp.net core segmentation fault (core dumped) errors so…
Here is a test file contains links and names within the <a></a> tags. /tmp/test_html.txt <tr> <td><a href="http://www.example.com/link1">example link 1</a></td> </tr> <tr> <td><a href="http://www.example.com/link2">example link 2</a></td> </tr> <tr> <td><a href="http://www.example.com/link3">example link 3</a></td> </tr> <tr> <td><a href="https://www.example.com/4/0/1/40116601-1FDC-real-world-link/bar" target="_blank" class="real-world-class">Real World Link</a> </td> </tr>…
I'm trying to deploy my react build folder to my server. I'm using index.html and static that configured in my settings.py file to do that. (https://create-react-app.dev/docs/deployment/) Since my backend is running on Ubuntu, I can't just copy from my Windows…
I am trying to "commit" a message using Ubuntu terminal but I get a message of "Untracked files" How can I fix this? I tried changing the working directory to several folders but it didn't work in any of them.
I'm trying to print out the happiest countries in the world for 2022, by receiving the data from https://en.wikipedia.org/wiki/World_Happiness_Report?action=raw). and then editing displaying the first 5 countries. Here is my code: #!/bin/bash content=$(curl -s "https://en.wikipedia.org/wiki/World_Happiness_Report?action=raw") lines=$(echo "$content" | grep '^|'…