Problem scenario
You believe that the Hammer CLI has been installed on your Red Hat Enterprise Linux server. But you do not know what version. What should you do?
Solution
Run this command: hammer --version
"Hammer is a powerful command-line tool provided with Red Hat Satellite 6. You can use Hammer to configure and manage a Red Hat Satellite Server either through CLI commands or automation in shell scripts. Hammer also provides an interactive shell." (This quote was taken from RedHat's site.) If you want to install Hammer again, see this posting.