yeti-cli utility gives ability to manage yeti cluster. It has frendly console interface with tab completions.
You can run yeti-cli directly from shell
# yeti-cli YETI-CLI version 0.1.3-11 node changed from empty to 8 anonymous@YETI:8>
Also you can use yeti-cli as shell and run it on login
$ ssh firstname.lastname@example.org -p 22000 YETI-CLI version 0.1.3-11 node changed from empty to 8 admin@YETI:8>
You public key must be added to your account in yeti web management interface and you have to configure sshd. Look in instalation section.