How do I create a Nagios alert?

How do I create a Nagios alert?

Select Configuration > Nagios Monitoring > Control > Nagios main configuration, and click Notification. Select the box next to Enable Notifications to enter a check which indicates notifications are on. At the bottom of the page, click Save and Next to save this change.

What we can monitor with Nagios?

For example, Nagios can monitor memory usage, disk usage, microprocessor load, the number of currently running processes and log files. Nagios also can monitor services, such as Simple Mail Transfer Protocol (SMTP), Post Office Protocol 3 (POP3), Hypertext Transfer Protocol (HTTP) and other common network protocols.

What are features of Nagios?


  • Centralized view of entire monitored IT infrastructure.
  • Detailed status information available through web interface.
  • Fast detection of infrastructure outages.
  • Alerts can be delivered to technical staff via email or SMS.
  • Escalation capabilities ensure alert notifications reach the right people.

How do I set up email notifications in nagios?

By default, Nagios Mail notification is sent using /bin/mail command. To change this, modify the definition for notify-host-by-email command and notify-service-by-email command in /etc/nagios/objects/commands. cfg file and configure the mail server accordingly.

Is Nagios push or pull?

Nagios uses agents that are installed on both the network elements and the components that it monitors; they collect data using pull methodology.

What are the benefits of Nagios?

Implementing effective server monitoring with Nagios offers the following benefits:

  • Increased server, services, process, and application availability.
  • Fast detection of network and server outages and protocol failures.
  • Fast detection of failed servers, services, processes and batch jobs.

How can I send alerts from nagios core using Gmail and Yahoo?

How To Send Alerts From Nagios Core Using Gmail

  1. STEP 01: Install & Configure Postfix Mail Server.
  2. STEP 02: Define Email Notification Commands.
  3. STEP 03: Define Email Contacts and Groups.
  4. STEP 04: Define Contact Details in the Host & Service Configuration Section.

How to send email alerts in Nagios network analyzer?

To be able to send email alerts in Nagios Network Analyzer you will need to create Nagios Network Analyzer user accounts with their email addresses correctly defined. Once you have done this proceed to the Creating A Check section in this document to define a check that sends emails..

What happens in the event of a Nagios outage?

In the event of a failure, Nagios can alert technical staff of the problem, allowing them to begin remediation processes before outages affect business processes, end-users, or customers. With Nagios you’ll never be left having to explain why an unseen infrastructure outage hurt your organization’s bottom line.

What do you need to know about Nagios software?

Nagios allows you to detect and repair problems and mitigate future issues before they affect end-users and customers. IT staff configure Nagios to monitor critical IT infrastructure components, including system metrics, network protocols, applications, services, servers, and network infrastructure.

Which is the best monitoring engine in Nagios?

The powerful Nagios Core 4 monitoring engine provides users with the highest degree of monitoring server performance. High-efficiency worker processes allow for nearly limitless scalability and monitoring effectiveness. Provides a central view of your entire IT operations network and business processes.

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