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178 Chapter 11 Working with NetBoot Service and System Images
To configure a client to receive a multicast stream:
$ sudo asr -source asr://<hostname> -target <targetvol> -erase
The client will receive the multicast stream from <hostname> and save it to a client.
Add -erase to overwrite any existing image. Passing -erase with -target indicates any
existing image should be overwritten when doing a multicast.
Choosing a Boot Device Using systemsetup
You can use the systemsetup tool to choose your boot device. When setting the
startup disk, you simply have to know the full path to core services. For example,
to boot from “Disk 2,” which is now mounted in /Volumes, you would enter:
$ systemsetup -setstartupdisk /Volumes/Disk\ 2/System/Library/CoreServices