(13.5) Deployment Guide
Solution Prerequisites
Installation Steps
The Internet should be available on the machine where the application is being installed and connections on port 9242 should be allowed in the network firewall to carry out the installation steps. All the commands start with a # indicating that root user privileges are required to execute these commands. Trailing # is not a part of the command.
Allow ports in the firewall
For internal communication of the docker swarm, you'll need to allow communication (both inbound and outbound) on the ports: 8083/tcp,8084/tcp , 8085/tcp, 8086/tcp, 8087/tcp, 8844/tcp, 8834/tcp, 8443/tcp and 443/tcp.
To start the firewall on CentOS (if it isn't started already), execute the following commands. You'll have to execute these commands on all the cluster machines.:
systemctl enable firewalld
systemctl start firewalld
To allow the ports on CentOS firewall, you can execute the following commands. You'll have to execute these commands on all the cluster machines.