1. Install docker
yum install docker

2. Install docker-compose
sudo curl -L https://github.com/docker/compose/releases/download/1.18.0/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose

3. Install prometheus + grafana
cd /root
git clone https://github.com/stefanprodan/dockprom

4. Start for the first time
cd /root/dockprom
ADMIN_USER=admin ADMIN_PASSWORD=admin docker-compose up -d

5. Stop
cd /root/dockprom
docker-compose down

6. Add target to prometheus
nano /root/dockprom/prometheus/prometheus.yml