1. install java
apt-get update -y
sudo apt-get install openjdk-11-jdk
java -version
2. install solr
cd /opt/
sudo wget https://apachemirror.sg.wuchna.com/lucene/solr/7.7.3/solr-7.7.3.tgz
sudo tar xzf solr-7.7.3.tgz solr-7.7.3/bin/install_solr_service.sh — strip-components=2
sudo ./install_solr_service.sh solr-7.7.3.tgz
service solr status
3. create sample collection
sudo -u solr /opt/solr/bin/solr create -c hello -n data_driven_schema_configs
4. now browse http://ip:8983 . create a demo
