My Nagios Deployment History

This page collects a bunch of information meant for personal use. This is NOT an official document on Nagios or Nagios installation at CERN.

Installation and configuration

For the installation I used a single virtual machine, and followed the instruction at GridMonitoringNcgYaim. YAIM terminated successfully.

Issues

  • Nagios is not started when configuring it with Yaim.

The httpd and nagios service are correctly running.

The file /var/log/httpd/error_log has:
[Tue Apr 07 09:31:53 2009] [error] [client 127.0.0.1] Directory index forbidden by rule: /var/www/html/
The httpd server answers correctly to http requests but there are problems with https:

[root@vtb-generic-80 yum.repos.d]# curl http://localhost/
HELLO GIANNI!
[root@vtb-generic-80 yum.repos.d]# curl https://localhost/
curl: (60) SSL certificate problem, verify that the CA cert is OK. Details:
error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed
More details here: http://curl.haxx.se/docs/sslcerts.html

This problem has been solved appending the BitFace CA certificate to the file /usr/share/ssl/certs/ca-bundle.crt and adding the line

SSLCACertificateFile /usr/share/ssl/certs/ca-bundle.crt
to the file /etc/httpd/conf.d/ssl.conf. This line was removed from that file by YAIM during the nagios configuration. Yet, the curl https://localhost/ test gives the same error. At this point one should be able to see the Nagios web interface at: https://SERVER_NAME/nagios/.

-- GianniPucciani - 07 Apr 2009

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Topic revision: r6 - 2009-04-09 - GianniPucciani
 
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