Part I: Technical details of glue-validator and hands-on tutorial This session will explain in detail the structure of glue-validator, the command line options and output formats. It will give some practical examples of how to use the glue-validator to validate GLUE 2 information published by a site.

Part II: GLUE 2 validation in the EGI production infrastructure This session will explain the deployment of glue-validator as a Nagios probe in the EGI production monitoring infrastructure and how sites may get tickets for critical errors and what they can do to fix them. Some details on the current status of GLUE 2 validation will be presented.

Part III: Common errors in GLUE 2 publication and how to fix them This session will give an overview on the most common errors found during the last months while validating GLUE 2 and developing glue-validator. It will focus both middleware developers and sys admins. The session will also give practical guidance on what to do to fix those errors.