Monitoring the status of Domain Controller Diagnostics Tool (dcdiag.exe) with Nagios XI

I was recently looking at monitoring the service health of Active Directory Domain Services using Nagios XI, the default monitoring wizards only provide the ability to monitor an LDAP server. However, I was looking to monitor a number of services similar to those available from running the Domain Contoller Diagnostics Tool (dcdiag.exe) –¬†http://technet.microsoft.com/en-us/library/cc776854(v=ws.10).aspx. Therefore, I … More Monitoring the status of Domain Controller Diagnostics Tool (dcdiag.exe) with Nagios XI

Nagios XI and Ubuntu returns ‘CHECK_NRPE: Received 0 bytes from daemon’.

When monitoring a remote Ubuntu server which Nagios XI I was receiving the below unknown message for the service status: CHECK_NRPE: Received 0 bytes from daemon. Check the remote server logs for error messages. Following investigation , I noticed the following entry in /var/log/syslog: Nov 11 15:24:58 nrpe[7768]: Error: Request contained command arguments, but argument … More Nagios XI and Ubuntu returns ‘CHECK_NRPE: Received 0 bytes from daemon’.