Apache Solr is an open-source search platform written on Java. Solr provides full-text search, spell suggestions, custom document ordering and ranking, Snippet generation, and highlighting. Apache Solr runs as a standalone full-text search server. Its REST-like HTTP/XML and JSON APIs make it usable from most other popular programming languages. This tutorial will help you to … Continue reading How To Install Apache Solr 9.0 on Ubuntu 20.04