To install Elasticsearch for Magento on Debian, install Java 1.8 and apt-transport-https
apt install -y openjdk-8-jdk-headless apt install -y apt-transport-https
Add key
wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | apt-key add -
Add repository
echo "deb https://artifacts.elastic.co/packages/6.x/apt stable main" | tee -a /etc/apt/sources.list.d/elastic-6.x.list
Install Elasticsearch
apt update apt install -y elasticsearch
Enable and start Elasticsearch
systemctl enable elasticsearch systemctl restart elasticsearch
