If you are upgrading to DB2 UDB V8.2 from DB2 UDB V8.1, you may continue to use the Linux environments validated for DB2 UDB V8.1. However, DB2 UDB V8.2 products may no longer be supported on those environments once DB2 UDB V8.1 goes out of support.
To see the list of Linux environments validated for running DB2 UDB Version 8.1, please visit here.