Red Hat Certification System Structure

  
The Red Hat certification system is rhct rhce rhca, and the security expert rhcss rhce is a separate certificate for installation and deployment of Linux local use,
Exclude local network clients and local systems. It's about the scope of the exam. The exam is 3600 plus the training fee of 3200. A total of 6800. If you have the ability
You can skip the training institution
   

You can access RedHat through SSH, but Ubuntu does not work.
Install SSH on Ubuntu.

1> sudo apt-Get install OpenSSH-Server