How to fix permissions folder in Ubuntu

First, your username is needed.

1. Run in the terminal

    who am i

2. Then using the resulting username you type:

    sudo chown -R username:username /folder

How to Execute a .run file in Linux

 1. Open the terminal
 2. Move to the file's directory with "cd"
 3. Mark the file as executable with the chmod command:

      chmod +x file-name.run

  4. Now execute the file:

     ./file-name.run