1. Restart HMC host, when the load GRUB message display, quickly press the ESC key to enter GRUB. GRUB menu displays a line of text HMC, press "E" to enter the following
2.
Move the cursor to the kernel line. E editing select press the keyboard space after filling end of the line "init = / bin / rcpws" as shown below:
3. Enter to confirm, press B to start the new password will be prompted to change.