20. What are the main benefits of Nagios?
Nagios is open source software to monitor systems, networks and infrastructure. The main benefits of Nagios are as follows:
I. Monitor : DevOps can configure Nagios to monitor IT infrastructure components, system metrics and
network protocols.
II. Alert : Nagios will send alerts when a critical component in infrastructure fails.
III. Response : DevOps acknowledges alerts and takes corrective actions.
IV. Report : Periodically Nagios can publish/send reports on outages, events and SLAs etc.
V. Maintenance: During maintenance windows, we can also disable alerts.
VI. Planning : Based on past data, Nagios helps in infrastructure planning and upgrades.