Monitor Web servers using Nagios

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Hey I'm pretty new to Nagios and would like to understand how to monitor web services using Nagios. Thank you in advance.
Mar 1, 2019 in Nagios by Alan
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1 answer to this question.

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hey @Alan, you can use the check_http plugin for this purpose. It monitors response time, error codes, server certificates and much more. 

The commands.cfg file contains a comman defination for using the check_http plug-in. Something like this:

define command {
    name            check_http
    command_name    check_http
    command_line    $USER1$/check_http -I $HOSTADDRESS$ $ARG1$
}

A simple service definition for monitoring the HTTP service on the host machine might look like this:

define service {
    use                 generic-service     ; Inherit default values from a template
    host_name           remotehost
    service_description HTTP
    check_command       check_http
}
answered Mar 1, 2019 by Kevin

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