Fix "Permission Denied" while Executing Bash (Shell) Script on Linux

If you encounter an error like bash: ./script.sh: Permission denied when executing a bash (shell) script, meaning the script file itself is not permitted to execute. And it makes no difference even if you run it with sudo. To fix this, we'll be using the chmod command on Linux to modify the permissions of the script file.

Solution

Use chmod to add execute permission to the file:

$ sudo chmod +x script.sh

Change script.sh to your script's path.

Or use your preferred file manager to change the permissions of the script file: