by

Credits for @umitunal_

packages:
  yum:
    newrelic-sysmond: []
  rpm:
    newrelic: http://yum.newrelic.com/pub/newrelic/el5/x86_64/newrelic-repo-5-3.noarch.rpm
  commands:
    "01":
      command: nrsysmond-config –set license_key=xxxxxxxxxxxxxx
    "02":
      command: echo hostname=NameOfYourServer >> /etc/newrelic/nrsysmond.cfg
    "03":
      command: /etc/init.d/newrelic-sysmond start