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Im trying to install linux nrpe agent on one of the test rhel boxes for nagiosxi to monitor and when i run the fullinstall script im getting this following error 

[root@nrpetest2 linux-nrpe-agent]# ./fullinstall
============================
Nagios Linux Agent Installer
============================

This script will install the Nagios Linux Agent by executing all necessary
sub-scripts.

IMPORTANT: This script should only be used on a clean installed system:

   RedHat Enterprise, CentOS, Fedora, or Oracle
   OpenSUSE or SUSE Enterprise
   Ubuntu or Debian

Do NOT use this on a system running any other distro or that
does not allow additional package installation.

Do you want to continue? [Y/n] y
Proceeding with installation...
Running './0-repos'...
Configuring Repos...
Enabling EPEL repo...
Installing EPEL PKG: ./packages/epel-release-6-5.noarch.rpm
warning: ./packages/epel-release-6-5.noarch.rpm: Header V3 RSA/SHA256 Signature, key ID 0608b895: NOKEY
Preparing...                ##################################################
epel-release                ##################################################
Loaded plugins: product-id, rhnplugin, security, subscription-manager
This system is receiving updates from RHN Classic or RHN Satellite.
Error: Cannot retrieve repository metadata (repomd.xml) for repository: epel. Please verify its path and try again
epel-release RPM installed OK
Repos configured OK
RESULT=0
Running './1-prereqs'...
Installing prerequisites...
Loaded plugins: product-id, rhnplugin, security, subscription-manager
This system is receiving updates from RHN Classic or RHN Satellite.
Setting up Install Process
Error: Cannot retrieve repository metadata (repomd.xml) for repository: epel. Please verify its path and try again
RESULT=1

===================
INSTALLATION ERROR!
===================
Installation step failed - exiting.
Check for error messages in the install log (install.log).

If you require assistance in resolving the issue, please include install.log
in your communications with Nagios XI technical support.

The script that failed was: './1-prereqs'

I have it registered with RedHat network as well and i searched everywhere to find a solution to this error but had no luck.

Wajahat Makki
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1 Answers1

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It looks like you are missing the required epel-release for nagios to install. Have your tried doing a sudo yum install epel-release?

That would be my biggest guess, according to your line:

Error: Cannot retrieve repository metadata (repomd.xml) for repository: epel. Please verify its path and try again RESULT=1

The script that failed was: './1-prereqs'

Also, check to make sure that your proxy settings allow for a connection to that repository. Sometimes this causes a problem with downloading certain repo data.

So, in short, update your epel-release and make sure that any other pre-requisities have been updated. It probably wouldn't hurt to do: sudo yum install yum-utils to make sure that yum-utils is fully up-to-date.

UPDATE: From: Access Redhat

  1. Verify that Satellite or Proxy Server has a fully-qualified domain name, and CommonName in SSL cert. used by Apache is set to the fully-qualified domain name.
  2. Verify that the ssl.conf file is pointing to the correct files.
    grep ^SSLCert /etc/httpd/conf.d/ssl.conf
  3. If system points to a proxy, check to make sure that /etc/sysconfig/rhn/up2date is configured with correct http_proxy information.
    httpProxy=http_proxy_fqdn or ip_address:port
  4. Update yum to latest version: yum update yum
  5. Clean the cache on client system: rm -rf /var/cache/yum/*
Evan Bechtol
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