Emerson ATCA-S201 manual 6806800H62B ATCA‐S201 Installation and Use Guide 104, # reboot

RTM-ATCA-SXXX Overview

8.Administrators may login as root. There is no password, and the ‘root’ user will be asked to create one.

root password reset procedure (method 2)

This procedure is useful when the user has access to the serial console port and can operate the U-boot environment. This secondary method allows you to clear the root password without removing the blade from the chassis but does require a power cycle and some familiarity with U-boot.

1.Establish a connection to the serial port (RS232)

2.Reboot the blade:

# reboot

3.Stop the normal boot sequence; enter the U-boot menu. (see section 3.6.1)

4.Type the following series of U-boot commands:

uboot=> setenv resetroot 1 uboot=> run flashboot

The above commands will continue the boot sequence and trigger the blades Linux file system to clear the root password. No other passwords are cleared. Do not use saveenv after setting resetroot, otherwise the root password will be reset on every re-boot.

6806800H62B ATCA‐S201 Installation and Use Guide 104