Linux chmod command error: chmod: invalid mode: [closed]

Question

I want assign the privilege to directory app, my command as below：

sudo chmod -R hduser /app

hduser is username in Linux, however, I got error message:

chmod: invalid mode: `hduser'

anything need update?

Answer 1

I think the command you're searching for is chown.

http://linuxcommand.org/man_pages/chown1.html

Enter somethink like :

sudo chown -R username[:groupname] /app