So you need a deeper connection with your vSphere? Let us take a look at Enabling ESXi Shell access using vSphere Client.
Use the vSphere Client to enable local and remote access to the ESXi Shell:
- Log in to a vCenter Server system using the vSphere Client.
- Select the host in the Inventory panel.
- Click the Configuration tab and click Security Profile.
- In the Services section, click Properties.
- Select ESXi Shell from this list:
Direct Console UI
- Click Options and select Start and stop manually.
Note: When you select Start and stop manually, the service does not start when you reboot the host. If you want the service to start when you reboot the host, select Start and stop with host.
- Click Start to enable the service.
- Click OK.
Enabling ESXi Shell access using the Direct Console User Interface
Use the direct console user interface to enable the ESXi Shell:
- From the Direct Console User Interface, press F2 to access the System Customization menu.
- Select Troubleshooting Options and press Enter.
- From the Troubleshooting Mode Options menu, select Enable ESXi Shell.
Enable ESXi Shell
- Press Enter to enable the service.
This information is taken from http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2004746