System information

Troubleshooting 341
Recovering From Login Failure
T To Recover From Login Failure
1. Boot the OnBoard in the U-Boot monitor mode.
See “To Boot in U-Boot Monitor Mode” on page 412. The U-Boot
monitor prompt appears
as shown in the following screen example.
2. Boot in single-user mode.
3. When single user mode comes up, use the passwd command to change
the root or admin user’s password.
The following screen example shows changing the admin user’s
password.
4. Restart the OnBoard to return to multiuser mode.
The root or admin user should be able to log in with the new password.
5. Reconfigure authentication as desired.
[root@OnBoard root]# reboot
...
Hit any key to stop autoboot: 0
=> <INTERRUPT>
=>
=> hw_boot single
[root@(none)/]# passwd admin
New password: admin_password
Re-enter new password: admin_password
Password changes
passwd; password updated successfully
[root@(none)/]#
[root@OnBoard root]# reboot