Check which services are running

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To see which services are running, we are going to use the service keyword (/usr/sbin/service) Its almost the same way in all Linux Platforms. In CentOS, its like this service < option > | --status-all | [ service_name [ command | --full-restart ] ] > service --status-all | grep postgres postgresql-9.4 (pid  31632) is running... To restart a service  service application_name...