User`s guide

Changing the Boot Image
570
AlterPath OnSite Administrator’s and User’s Guide
Changing the Boot Image in U-Boot Monitor Mode
You can access U-Boot monitor mode in one of the following two ways:
• During boot, when the “Hit any key to stop autoboot” prompt appears,
pressing any key before the timer expires brings the OnSite to U-Boot
monitor mode.
• If boot fails, the OnSite automatically enters U-Boot monitor mode.
The U-Boot hw_boot command boots from either the first or second image
according to the value of the currentimage environment variable. You can
use the following procedures to change which image is used for booting.
T To Boot in U-Boot Monitor Mode
1. Open a terminal connection to the console port, and log in as root.
2. Enter the reboot command.
During boot, when the “Hit any key to stop autoboot” prompt appears,
press any key before the time elapses to stop the boot.
The U-Boot monitor prompt appears:
3. Enter help to see a list of supported commands.
To Boot in U-Boot Monitor Mode Page 570
To Boot from an Alternate Image in U-Boot Monitor Mode Page 571
To Boot from an Alternate Image Using CLI Page 568
Changing the Boot Image in U-Boot Monitor Mode Page 570
To Boot in Single User Mode from U-Boot Monitor Mode Page 571
# reboot
=>
=> help