We installed the Red Hat RPMs that were delivered with Red Hat Desktop and 
found it overall to be quite easy to set up a connection to the Exchange Server. 
You still have to keep in mind some requirements to get this working.
Attention:
 Before using the Exchange connector, some prerequisites should 
be checked. It is necessary to start the Exchange virtual server in the http 
section of the Exchange system manager. You also need to enable HTTP 
protocol for the users. This is done in the user settings via the Active Directory 
Users console.
More information on the Novell Exchange Connector can be found at:
http://www.novell.com/products/connector/
Customization
You have a very high degree of flexibility in modifying the look and feel of a Linux 
client. For our client migration scenario, we chose to modify just a few things as a 
way of demonstrating some possibilities.
The first thing we did was to adjust the default background color and insert the 
ITSO Redbooks image on the background. This can easily be done by using the 
background settings application for the Gnome Desktop. Another possibility, 
especially to set this as a default value, is the use of the gconftool 2 with a 
command syntax as in Example 6 9.
Example 6 9   Using gconftool to replace the screen background image
#  gconftool 2   direct   config source \ 
xml:readwrite:/etc/gconf/gconf.xml.mandatory   type string   set \ 
/desktop/gnome/background/picture_filename 
itso logo.png
For further information on how to change values in the Gnome configuration or 
make changes that can be enforced for groups of users, see 5.2,  GNOME 
customization  on page 104. Specific details about using gconftool 2 can be 
found in 5.2.2,  gconftool 2  on page 105.
Gnome also offers a graphical editor for the settings, although the welcome 
screen of this tool says that using the editor is not the preferred way, so using it is 
at your own risk.
Another nice effect can be created by inserting another logo for the menu button. 
By default, Red Hat has replaced the Gnome logo with its own custom image. 
We replaced this by editing the following file:
/usr/share/pixmaps/redhat main menu.png
126 
Linux Client Migration Cookbook   A Practical Planning and Implementation Guide for Migrating to Desktop






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