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NRPE - Nagios Remote Plugin Executor Featured Popular
- Nagios 1.x
- Nagios 2.x
- Nagios 3.x
* NRPE should have its own user, not share the "nagios" user. That causes confusion with ownership of configuration files and the "nagios" user itself.
* NRPE should have its config files in /etc/nrpe, not /etc/nagios. Again, this causes confusion with who manages the files in /etc/nagios and makes source control and package management much more awkward.
* The default location of "/usr/lib/nagios/plugins" should be set based on architecture. It's /usr/lib64/nagios/plugins on most x86_64 systems.
Initially, the compile failed on AIX due to missing SSL libraries. To get around this, I modified the line below in the 'configure' script and that seemed to fix it...
# /usr/local/nagios/libexec/check_nrpe -H localhost
CHECK_NRPE: Error - Could not complete SSL handshake.
but, when I try
#/usr/local/nagios/libexec/check_nrpe -H 127.0.0.1
Solution - you need to add your server IP to the allowed_hosts parameter under nrpe.cfg file on the host being monitored.