How to use keepalived to start and stop services/daemons whenever it changes its state?

Solution In Progress - Updated -

Issue

  • When keepalived failover's and BACKUP server gets transitioned to MASTER server, a service for example crond should start.
  • Any service which needs to be run once the keepalived transitions states.

Environment

  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

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