Apache Solr is an opensource search platform written on Java. Solr provides full-text search, spell suggestions, custom document ordering and ranking, Snippet generation and highlighting. This tutorial will help you to install Apache Solr 7.1 on Fedora 27/26/25/24/23, CentOS/RHEL 7/6 systems. Step 1 — Verify Java Apache Solr 7 required Java 8 or greater...