You can access the CLI by switching to terminal 1 using Alt-F1.
Now type “unsupported”, This is not echoed so you won’t see anything. If you get it right, you will get a prompt asking for the root pasword.
( This might not work in ESXi 4.0 as VMWare is trying to limit ESXi for their own corporate reasons )
That drops you at a shell prompt. (ash is our shell).
Hint: editor = vi
Now you can you modify /etc/inetd.conf and uncomment the ssh line so that you can ssh into it unless you are planning always being at the console.
Cloning Virtual machines in ESXi
vmkfs tools -i /vmfs/volumes/datastore/YourVM/YourVM.vmdk /vmfs/volumes/datastore/NewVM/newvm.vmdk
vim-cmd vmsvc/getallvms vim-cmd vmsvc/power.reset xx
check out these ( with vim-cmd vmsvc/command ):
power.off power.on power.reboot power.reset power.shutdown power.suspend
esxtop = is your top tool