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Multicasting Images 477

Novell Confidential Manual (99a) 28 October 2003

To create rules to select the workstations you want to participate in this multicast session, click

Add Rule under Include Machines Which Meet Any of These Criteria.

Click Help on the Participation page for more information.

9 Click OK to return to the ZENworks Imaging Multicast Sessions page.

10 The check box next to the multicast session name is automatically selected, showing that the

session is enabled. If you want to disable a multicast session, deselect the check box next to

the session name.

11 If multiple multicast sessions are defined that use rules to select participating workstations, it

is possible that a workstation could qualify to participate in more than one session. If this

occurs, the first enabled session in this list for which the workstation qualifies takes

precedence over the other enabled sessions. If you want to change the position of a session in

the list, select the multicast session name > click Move Up or Move Down.

12 Click OK.

Physically Visiting Each Computer

1 (Optional) Install the ZfD Imaging Agent on each of the participating computers.

See “Why Use Multicast?” on page 475 for the reasons and for further instructions.

2 Create a set of imaging boot diskettes or an imaging boot CD for each person who will assist

with the multicast session, or enable PXE on the participating computers.

If you don’t know how to do this, see “Preparing an Imaging Boot Device or Method” on

page 445.

3 At each computer, including the master computer (unless you will be starting the multicast

session from the imaging server), access a Linux prompt by using the imaging boot diskettes,

imaging boot CD, or if it is PXE-enabled, boot it up.

4 Enter manual at the boot prompt or select Start ZENworks Imaging in Maintenance Mode

from the PXE menu.

5 To identify each participating computer in the multicast session, you have two choices:

 You can enter the following command at the bash prompt of every computer:

img session name

where name is any string that uniquely identifies this multicast session from other

multicast sessions that might be in progress on the network. Use the same session name

on each of the participating computers in this multicast session. You can specify any

multicast session, including one that originates from the proxy server (as long as you

specify the session name used by the proxy server).

Example:

img session doug

The img session command can take other parameters that allow you to designate the

master computer and the imaging start time beforehand. See “Imaging Engine (Img:

Command Line and Menu)” on page 488 for details.

 You can type img at the bash prompt to display a menu > select Multicast Session > select

Client if this is a participating computer or Master if this is the session master. Fill in the

Session Name, Number of Clients (applies only to the session master), and Timeout

(applies only to the session master) fields. See “Imaging Engine (Img: Command Line

and Menu)” on page 488 for details.

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