To deploy your Hortonworks stack using Ambari, you need to prepare your deployment environment:
- Set Up Password-less SSH
- Set Up Service User Accounts
- Enable NTP on the Cluster and on the Browser Host
- Check DNS and NSCD
- Configuring iptables
- Disable SELinux and PackageKit and check the umask Value
- Download and set up database connectors
- Configuring a Database Instance for Ranger
- Install Databases for HDF services