I'm setting up my first nutch environment. I'm following the steps in this

 I'm not grokking this last line in the "Setup Solr for search" section:


   add the core name to the Solr server URL: -Dsolr.server.url=

Am I supposed to be editing some file? Should I be adding something to
Solr's server/solr/configsets/nutch/conf/solrconfig.xml file?

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