Pseudo Node Setup

Create VM in Microsoft Azure.
Open ports:

sudo vi /etc/sysctl.conf
      fs.file-max = 65536

sudo vi /etc/security/limits.conf
                *          soft     nproc          65535
*          hard     nproc          65535
*          soft     nofile         65535
*          hard     nofile         65535

sudo vi /etc/security/limits.d/90-nproc.conf
*          soft     nproc          65535
*          hard     nproc          65535
*          soft     nofile         65535
*          hard     nofile         65535

sudo reboot

ssh-keygen

sudo chmod 700 ~/.ssh

chmod 600 ~/.ssh/authorized_keys

sudo yum install ntp

sudo chkconfig ntpd on

sudo hostname xxxxxxxxxxxx.cloudapp.net

hostname -f

sudo vi /etc/hosts
     100.73.40.57 xxxxxxxxxxxx.cloudapp.net

sudo vi /etc/sysconfig/network
     NETWORKING_IPV6=yes

sudo chkconfig iptables off

sudo /etc/init.d/iptables stop

setenforce 0

sudo vi /etc/selinux/config
     SELINUX=disabled

sudo vi /etc/profile

wget http://public-repo-1.hortonworks.com/ambari/centos6/2.x/updates/2.0.1/ambari.repo

sudo cp ambari.repo /etc/yum.repos.d/

sudo yum install ambari-server

sudo ambari-server setup

sudo ambari-server start

sudo ambari-server status

sudo chkconfig iptables off

sudo /etc/init.d/iptables stop

Access to Ambari web: http://ambari.server.host:8080/
Follow the wizards to create your cluster.
They will ask for the list of nodes that you want to setup, use their FQDN to enter.