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NRPE - Error While Loading Shared Libraries: libssl.so

Problem Description

This KB article addresses the following NRPE error:

Error While Loading Shared Libraries: libssl.so.0.9.8:
Cannot Open Shared Object File: No Such File Or Directory


Assumed Knowledge

The following KB article contains an explanation of how NRPE works and may need to be referenced to completely understand the problem and solution that is provided here:

NRPE - Agent and Plugin Explained


Troubleshooting The Error

The likely cause is that you are missing the ssl libraries on the remote host. This is an easy fix, as all you need to do is install openssl from the host's distribution repositories. For example, in CentOS/RHEL, log onto your remote host and execute the following command:

yum install -y openssl


You can verify that it installed correctly with:

which openssl


The output should be similar to:



For instructions on installing the openssl libraries on other Operating Systems please refer to the following KB article:

NRPE - How To Install NRPE v3 From Source



Final Thoughts

For any support related questions please visit the Nagios Support Forums at:


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