AIOps is an umbrella term for the use of big data analytics, machine learning and other AI technologies to automate the identification and resolution of common IT issues. AIOps is generally used in companies that use DevOps and cloud computing.
Systems management is the administration of the information technology systems in an enterprise data center. An effective systems management plan facilitates the delivery of IT as a service (ITaaS) and allows the organization's employees to respond to changing business requirements in an agile manner.
Nagios is an open source monitoring system for computer systems.