1. curl -fsSL https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -
    2. echo "deb https://artifacts.elastic.co/packages/7.x/apt stable main" | sudo tee /etc/apt/sources.list.d/elastic-7.x.list
    3. apt-get update && sudo apt-get install elasticsearch
    4. systemctl start elasticsearch
    5. apt-get install kibana
    6. systemctl start kibana