Apple Xserve Up Mac OS X Server User Manual download pdf (Page 23)

Chapter 3 Starting Up Server Diagnostics 23

You need to be able to authenticate as the root account in order to change the startup

disk using the command-line interface.

Note: The Terminal commands described in this task are case-sensitive, and must be

entered as shown.

To change the startup disk using the command-line interface:

1 Open Terminal (located in /Applications/Utilities/).

2 If you want to connect to a remote server, enter the following in the Terminal window,

and authenticate when requested:

ssh username@serveraddress

Replace username with the short name of a user who can authenticate as the root

account on the server. Replace serveraddress with the URL, IP address, or host name

of the server.

3 Enter the following, and then authenticate as the root account:

sudo bless -folder "/Volumes/volumename/System/Library/CoreServices"

-setBoot

Replace volumename with the name of the volume you want to start up from.

When you’re done using Server Diagnostics, change the startup disk back to the

volume you were using previously.

Changing the Startup Disk Using Apple Remote Desktop

If you have Apple Remote Desktop, you can change the startup disk of remote

computers to an internal volume or connected portable storage device volume.

For information about using Apple Remote Desktop to set a computer’s startup disk,

see the Apple Remote Desktop Administrator Guide, located at:

www.apple.com/remotedesktop

Changing the Startup Disk Temporarily at Startup

If your server has trouble starting up Mac OS X Server or doesn’t have Mac OS X Server

installed, you can temporarily change the startup disk by holding down a key while

the server is starting up. This method requires that you have a keyboard and mouse

attached to the server and that you can restart the server.

If you don’t have a keyboard and mouse attached to the server, use the instructions in

the next section, “Starting Up a Server Diagnostics EFI NetBoot Image Using the Xserve

Front Panel.”

If a rmware password is set, you can’t temporarily change the startup disk by holding

down the D or F1 key. You can do it by holding down the Option key, but you must

authenticate with the rmware password.

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Apple Xserve Up Mac OS X Server User Manual Page 23