Deploying Ambari in AWS (2) – Prepare the VM for Ambari

Let’s continue where we’re left off!

1. Connect to the instance by ssh.
2. Turn off the Transparent Huge Pages. Add below lines in the /etc/rc.local file. You need to sudo the text edit command (e.g. sudo nano /etc/rc.local) 

   if test -f /sys/kernel/mm/transparent_hugepage/enabled; then
       echo never > /sys/kernel/mm/transparent_hugepage/enabled
   fi
   
   if test -f /sys/kernel/mm/transparent_hugepage/defrag; then
       echo never > /sys/kernel/mm/transparent_hugepage/defrag
   fi
   

    

3. Install the ntp package. The NTP will be used to synch the clock between the nodes in the cluster.

   $  sudo apt-get update && sudo apt-get dist-upgrade && sudo apt-get install ntp

    

4. Check if ntp process is running. 

   $ sudo service ntp status

    

5. Now back to the EC2 Instance console. Right click on the Ambari server we just launched, Image, Create Image.
6. Name it as “AmbariNode”, tick “No reboot”  and click on “Create Image”. We now have an image ready to be used for us to launch the rest of Ambari nodes.

Next, we will launch the node and proceed with Ambari installation.