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How to Access the Bios, Grub Boot Menu and Bash Shell of a Data Domain Appliance

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Techpedia
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How to Access the Bios, Grub Boot Menu and Bash Shell of a Data Domain Appliance

Post by Techpedia » Tue Aug 15, 2017 4:05 pm

1
Connect a VGA monitor and PS2 keyboard to the appliance.
2
Log on as the sysadmin user.
3
Type "system reboot" to restart the appliance.
4
Press the DEL key during POST to enter the BIOS if required. Use the password above.
5
Press the P key while the Grub boot menu is shown. Use the password above.
6
Press the E key to (temporarily) edit the boot entry.
7
Press the down arrow key to select the 'kernel' line.
8
Press the E key to edit the kernel parameters.
9
Add "goto-bash" to the end of the line. Make sure to add a space between the existing kernel parameters and "goto-bash".
10
Press Enter when you are done editing the line.
11
Press the B key to continue booting.
12
Instead of booting normally, the appliance will enter a state similar to single user mode on a normal Linux computer.
13
You will have a Bash prompt and can mount the rest of the file systems and examine things from there.
14
Restart the appliance to return to normal operating mode.

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