Make a directory for the Lucene index files, download, and unpack them.
cd /opt/shrine/tomcat/lib wget https://open.catalyst.harvard.edu/svn/shrine-act/tags/201902050000/index/lucene_index.zip wget https://open.catalyst.harvard.edu/svn/shrine-act/tags/201902050000/index/suggest_index.zip unzip lucene_index.zip unzip suggest_index.zip |