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Cisco 3310 Mobility Services Engine Getting Started Guide
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Chapter 5 Initial Configuration
Recovering a Lost Root Password
Recovering a Lost Root Password
If you lose or forget the root password for a mobility services engine, follow these steps:
Step 1
When the GRUB screen appears, press Esc to enter the boot menu.
Caution
If you forget the GRUB password, you cannot log in and you will need to return your unit to Cisco for
repair. Contact Cisco TAC to arrange for an RMA number.
Step 2
Press e to edit.
Step 3
Navigate to the line beginning with kernel and press e.
At the end of the line enter a space and the number one (1). Press Enter to save this change.
Step 4
Press b to begin boot sequence.
At the end of the boot sequence, a shell prompt appears.
Note
The shell prompt does not appear if you have set up a single-user mode password.
Step 5
You can change the root password by entering the passwd command.
Step 6
Enter and confirm the new password.
Step 7
Restart the machine.
