THIS KNOWLEDGE BASE HAS BEEN ARCHIVED AND IS NO LONGER BEING UPDATED Please visit library.nagios.com/docs for the latest and most up-to-date documentation.
Backups are not being generated due to tar creation errors
If you are running Nagios XI 5.6.11, most likely your backups won't be compressed. You can verify if this is the case by listing the contents of the backup directory: ls -la /store/backups/nagiosxi If you see any directories, that are NOT compr... Read More
Process Checks
Process Checks Process checks can help identify the following: Process is running Process is NOT running Multiple separate processes Total running processes Process Resources The sections below provide examples of how to perform these checks using ... Read More
Nagios Core - ERROR: Could not create or update nagios.configtest
Problem Description This KB article applies to the following error message when starting Nagios Core: ERROR: Could not create or update '/usr/local/nagios/var/nagios.configtest' Explanation This problem occurs when the nagios user acc... Read More
Nagios Log Server - Sending Multiline Log Files Using Syslog
Overview This KB article explains how to configure syslog to send multi-line logs to Nagios Log Server (NLS). What is a multi-line log? This is when the data that encompasses the entire event is spread across multiple lines in the log file. For exam... Read More
Nagios XI - Using Scripts / Plugins With NCPA
Overview This KB article explains how to use external scripts / plugins with NCPA. NCPA has a lot of built in functionality however you will likely run into a situation where you need to use a script to provide additional monitoring capabilities. NC... Read More
NRPE - NRPE: Unable To Read Output
Problem Description This KB article addresses the following NRPE error: NRPE: Unable To Read Output Assumed Knowledge The following KB article contains an explanation of how NRPE works and may need to be referenced to completely understand the pro... Read More
Nagios XI - Special Characters
Overview Nagios XI, as well as the Linux command line interface, have some reserved characters that need to be escaped in specific ways. Special characters are a group of characters that carry out special instructions, like the dollar sign $ which d... Read More
Configuring Your Server With A Static IP Address
Overview This KB article shows you how to configure your Nagios server with a static IP address. This KB article applies to RHEL, CentOS and Oracle Linux, as well as Ubuntu and Debian. This applies to Nagios Fusion, Nagios Log Server, Nagios Network... Read More
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