VMware / reset root password of vSphere Replication

Reset the root password of vSphere Replication appliance 6.5 (2150038)

Reboot the vSphere Replication appliance.In the Grub screen, press e to edit the current kernel parameters.
Use arrow key to scroll down to this line:
linux /vmlinuz-3.12.62-60 ......... . . . . . . silent quiet showopts
Add this line at the end:   init=/bin/bashExample: linux /vmlinuz-3.12.62-60 ..... . . . . . . silent quiet showopts init=/bin/bash"

Press F10 to reboot and vSphere replication appliance will reboot at run level 1.
Mount root filesystem as read write by running this command: mount -o remount,rw /
Run this command to reset the root password: passwd rootAfter the password is reset, reboot the appliance.

Note: If you do not mount root (/) directory as read write (rw) you will receive this error:
passwd: Authentication token manipulation errorpasswd: password unchanged

https://kb.vmware.com/s/article/2150038