Linux_Advanced Utilities_Exercise 3.1

Hi there Sir,
In exercise 3.1, I don’t understand how do you give the permissions to the file Tried quite a few times
I tried the code chmod 755, but it’s not working. The following error is shown

Hello @abdulbasitisdost,

The problem here could be that the folder move_bb8_pkg is not a ROS package, so you can’t execute it using the rosrun command. Can you please check if it contains the CMakeLists.txt and package.xml files? Like in the following link:


It worked the next time I logged in. I don’t know how but it did. Thank you Sir