SharePoint 2010 - Enabling actual error in sharepoint

Make the following changes to the web.config of the MOSS application to get the actual error occurred in the application which will help to debug the application in easier way:

·         Set the ‘CallStack’ property of SafeMode tag (under SharePoint tag) as ‘true’.

·         Set the ‘AllowPageLevelTrace’ property of SafeMode tag (under SharePoint tag) as ‘true’.

·         Set the ‘mode’ property of customErrors tag as ‘Off’.

·         Set the debug property of compilation tag as ‘true’.