vBulletin-URLs auf Discourse-URLs umleiten

[webdawe (Anil Paul)]

Thanks @pfaffman.
I used Permalink.create and solved the problem

Redirect old forum URLs to new Discourse URLs using permalinks

This reference explains how Discourse permalinks redirect old URL paths to new destinations, how permalink normalizations work, and how to test and troubleshoot redirects after a migration or URL structure change. Required user level: Administrator Console access required only when creating permalinks from an importer, script, or Rails console When you migrate from another forum or change your site’s URL structure, old links from search engines,…