install elasticsearch

C++
sudo apt-get update
sudo apt-get -y install elasticsearch
sudo systemctl start elasticsearch
sudo systemctl enable elasticsearchcurl -fsSL https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -
echo "deb https://artifacts.elastic.co/packages/7.x/apt stable main" | sudo tee -a /etc/apt/sources.list.d/elastic-7.x.list

Source

Also in C++: