1. ElasticのGPG KEYを追加
wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -
2. HTTPSリポジトリの有効化
sudo apt-get install apt-transport-https
3. リポジトリを追加
sudo apt-get install -y software-properties-common
sudo add-apt-repository ppa:openjdk-r/ppa
echo "deb https://artifacts.elastic.co/packages/6.x/apt stable main" | sudo tee -a /etc/apt/sources.list.d/elastic-6.x.list
4. パッケージインストール
sudo apt-get update && sudo apt-get install elasticsearch openjdk-8-jdk
wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.1.2.deb
sudo dpkg -i elasticsearch-6.1.2.deb
5. 自動起動設定
sudo update-rc.d elasticsearch defaults 95 10
6. ElasticSearch 起動
sudo service elasticsearch start