How to reset Exadata Grub Password
1- reset /SYS
2- In GRUB menu Press ESC and it will pause the GRUB screen.
3- Enter "P" the GRUB Password = sos1Exadata.
4- Select the Boot GRUB Menu and append to the END of the Line with "single init=/bin/bash" (remove the quote).
5- Press "b" to boot and it will enter the Safe Mode.
6- In Safe Mode do below
# mount -o rw / (this will mount /root in read/write mode)
# passwd (Enter the new password for this node)
7- If "passwd" result prompt below error
"the use got the following error "passwd: Authentication token lock busy"
8- On the Safe Mode prompt do below
# mount -o remount, rw / (this will remount the /root with rw)
# passwd (Enter the new password again for this node, and this this it should work)
9- reboot
2- In GRUB menu Press ESC and it will pause the GRUB screen.
3- Enter "P" the GRUB Password = sos1Exadata.
4- Select the Boot GRUB Menu and append to the END of the Line with "single init=/bin/bash" (remove the quote).
5- Press "b" to boot and it will enter the Safe Mode.
6- In Safe Mode do below
# mount -o rw / (this will mount /root in read/write mode)
# passwd (Enter the new password for this node)
7- If "passwd" result prompt below error
"the use got the following error "passwd: Authentication token lock busy"
8- On the Safe Mode prompt do below
# mount -o remount, rw / (this will remount the /root with rw)
# passwd (Enter the new password again for this node, and this this it should work)
9- reboot
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