3. File Locations

All Hadoop-specific configurations are added to Nagios through files prefixed with “hadoop-“ located in the /etc/nagios/objects directory of the Nagios Server host. The default general Nagios configuration file, nagios.cfg (in /etc/nagios), is set up to pick up the new Hadoop specific configurations from this directory.

Hadoop-specific plugins are stored in the Nagios plugins directory. The default location is /usr/lib64/nagios/plugins/.

For security reasons the Nagios server runs as separate user named “nagios”.

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