# connect to utility node
hostname -f
# output: c
sudo vi /etc/ambari-agent/conf/ambari-agent.ini
# configure hostname=ip-172-31-25-199.eu-west-1.compute.internal

# reload / restart
systemctl restart ambari-agent
systemctl status ambari-agent
systemctl start ambari-agent


yum -y reinstall ambari-agent

yum -y install ambari-server
hostname-f
mysql -uambari -pambari -h ip-172-31-25-199.eu-west-1.compute.internal ambari
mysql -uambari -pambari -h ip-172-31-25-199.eu-west-1.compute.internal ambari < /var/lib/ambari-server/resources/Ambari-DDL-MySQL-CREATE.sql
ambari-server setup
ambari-server


ambari-server setup --jdbc-db=mysql --jdbc-driver=/usr/share/java/mysql-connector-java.jar