How To Search for Users Not Having An Attribute Set

How To Search for Users Not Having An Attribute Set

Your need to identify users which do NOT have an attribute set.
I.e. you need a list of all users being students (attribute ucsschoolRole) where the attribute ucsschoolRecordUID is not set.

Solution

Use a LDAP filter in univention-ldapsearch as follows:

univention-ldapsearch -LLL '(&(!(ucsschoolRecordUID=*))(ucsschoolRole=student*))' dn