Recently, I have been exploring the use of Slack for messaging and collaboration and in particular integration with other tools. In this post I will discuss enabling integration with Nagios XI and providing the functionality to send alerts generated to a channel within Slack. Firstly, you need to have created a login and be an … More Integrating Nagios XI alerts to a Slack Channel
I was recently looking at how to automate adding and removing managed hosts and services in Nagios XI, which can be particularly useful in cloud computing and large environments where configuration management solutions have been implemented for provisioning. In these environments we typically use configuration files based on the attributes of a server role during the provisioning … More Nagios XI: Automating Host Management
I was recently investigating an issue where the Nagios monitoring agent (NSClient++) service failed to start with the following error message: The NSClient++ (x64) service failed to start due to the following error: NSClient++ (x64) is not a valid Win32 application. In the first instance I attempted to resolve the issue by uninstalling and installing … More Nagios: Starting NSClient++ service fails with the error ‘NSClient++ (x64) is not a valid Win32 application.’
Recently, I was troubleshooting an issue with Nagios XI where host and service details where not being displayed from the web management console. On investigating the log file at ‘/var/log/messages’ there was a number of errors identifying that a table in the MySQL database was crashed and was required to be repaired. ndo2db: mysql_error: ‘Table … More Nagios XI: Host and Service details not being displayed
During a restart of the ‘VMware VirtualCenter Server’ service, if a user or group assigned to the Administrator Role at the root folder level could not be verified during the restart the user privelages are revoked. As part of security hardening on the vCenter server, I created a Nagios Remote Plugin Executor (NRPE) to search for … More Monitoring vCenter privelage reassignment with Nagios XI
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