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  1. Forwarding Logs from Nagios Log Server to Another Destination Forwarding Logs from Nagios Log Server If necessary, you can forward all of the logs from your Nagios Log server to a different server by creating a new output in NLS. To create a new output: In NLS, navigate to Configure > Global Config. Click... Read More
  2. Waiting for Database Startup Description Nagios Log Server is a useful way to search and store large amounts of data however the start up process is resource intensive and may take some time to complete.  If your instance of Log Server presents the message "Waiting for Database... Read More
  3. How To Convert The Nagios OVA Virtual Machine For Other Hypervisors The Nagios .OVA virtual machines provided in downloads for Nagios XI, Nagios CSP, Nagios Log Server, Nagios Fusion, and Nagios Network Analyzer can be used natively by hypervisors such as VMware Workstation and VirtualBox.  Other hypervisors such as... Read More
  4. Turning Off PHP Notices and Deprecated Messages Problem Description There are PHP notices and deprecated messages filling up the /var/log/httpd/ssl_error_log file. Resolving The Problem This problem can be eliminated by updating the php.ini file. The advisory messages do not indicate a fatal error... Read More
  5. Adding MATCH Statements in the SNMP Trap Interface Overview The purpose of this article is to document how to setup MATCH statements in the SNMP Trap interface. By default, when a Trap is setup in Nagios XI, all traps for that entry are received as an OK status, so no matter what is received the stat... Read More
  6. Template Introduction Template Introduction Templates are very powerful when used for the right purposes. A good example is how the XI Configuration Wizards use templates for the host objects. The host object template has a standard ICMP up/down check. This means if you e... Read More
  7. WebInject Instructions Introduction The Web Transactions configuration wizard in Nagios XI uses WebInject to handle transaction logic. Please reference the WebInject instructions below when setting up the Web Transactions wizard.   Table of Contents 1 - Software Architec... Read More
  8. Logs Not Appearing with Failed to Parse Date Error Problem Description Logs are not coming in and you see an error like this in the Logstash log: :response=>{"create"=>{"_index"=>"logstash-2019.12.13", "_type"=>"syslog", "_id"=>"AW8Ab04im8e-JsUH61c5", "status"=>400, "error"=>"Map... Read More
  9. SSL Certificate does not validate properly Issue: The SSL certificate won't validate properly because the certificate didn't include any subject alternative names. Adding SAN (Subject Alternative Name” into “Additional Attributes” field on a Microsoft Certificate Authority ce... Read More
  10. NCPA - Service check timed out after n Seconds Problem Description This KB article addresses the following NCPA error: NCPA- Service Check Timeout After n Seconds   Assumed Knowledge The following KB article contains an explanation of how NCPA works and may need to be referenced to completely un... Read More
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