SSH できなかった。

$ ssh vcenter -l root  

VMware vCenter Server 7.0.0.10100

Type: vCenter Server with an embedded Platform Services Controller

Received disconnect from UNKNOWN port 65535:2: Too many authentication failures
Disconnected from UNKNOWN port 65535

公開鍵認証を着ればいいだけだった。

$ ssh vcenter.jn.sfc.keio.ac.jp -o 'PreferredAuthentications=password' -l root 

VMware vCenter Server 7.0.0.10100

Type: vCenter Server with an embedded Platform Services Controller

root@vcenter's password: 
Connected to service

    * List APIs: "help api list"
    * List Plugins: "help pi list"
    * Launch BASH: "shell"

Command>

参考文献