PowerShell, Nagios and NSClient++

Nagios is a very powerful open source tool for monitoring networks and infrastructures.  The number of plugins available on Nagios Exchange and extensions make this tool essential to not just to be reactive but to create workflows and escalations if needed in a matter of minutes.
The installation and configuration of this tool under a major linux distributions is not difficult.

The default tool for monitoring a Windows network are SCCM/SCOM and OMS, but if your environment is a mixed environment I think personally that Nagios can be considered a safe bet!

NSClient++ is the agent needed for performing some interesting checks on windows and you can leverage your powershell scripting ability to perform custom checks on the environment. Continue reading “PowerShell, Nagios and NSClient++”

Automate AD Authentication Tests with PowerShell

A common method to investigate for Active Directory authentication issues is inspecting logs and event viewer, it’s simple and effective. But this means that the issue already occurred. What if the problem was a wrong password generated and communicate to the user? Can we be more proactive and avoid this issue from happening?

Whenever I wanted to check if the credentials that were provided by the third party for a large number of accounts were valid/correct (to prevent support requests and don’t let end-users wait for their access any longer) performing this task manually was never an option for me.

Continue reading “Automate AD Authentication Tests with PowerShell”