It is possible to access the DCUI from a SSH connection. This is useful thing to know if you are wanting to getting into the DCUI but don’t want to or can’t get into the remote connection.
Log onto ESXi via SSH
Type DCUI into the command prompt. DCUI will be launched
To exit the DCUI press CTRL-C
The corresponding VMware KB article is https://kb.vmware.com/s/article/2039638