The following is the ReadMe, binaries and source for the example applications and scripts that were demonstrated at the "Extending Apple Remote Desktop for Large Scale Deployments" at WWDC 2007. These sample applications and scripts demonstrate how you can configure Apple Remote Desktop to manage large scale deployments of Macs.
A while ago, an article about how to troubleshoot Workgroup Management (MCX) with a MCXDebug setting. Here's how to do the same thing with Portable Home Directories.
ldapsearch is one of the standard tools included with OpenLDAP to query LDAP directories. Because Active Directory is ldap compliant, it can be queried as well!