Importing .xml Backups into OpenNMS

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Myself and a colleague were going through a migration of our monitoring system called OpenNMS from 1 server in 1 datacenter to the other server in another datacenter. For that, we have received .xml files representing requisitions on the source server. OpenNMS usually doesn’t play well with those files, so with help of some 3rd party documentation and guides, we have developed this quick and easy to follow guide, which should help you if you ever need to migrate your OpenNMS instance from one server to the other. Upload XML …

Corrupted Domain Controller – Quickest Repair Method

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Hey lads, should you ever encounter a messed up domain controller in your environment where the usual fixes do not help and you don’t have a virtualization platform to simply deploy a new one, this guide is for you. It will guide you how to be effective and recover the server to full power, even if it is a remote machine, without on-site visit in shortest amount of time with minimal downtime for users. Note: This guide applies to forests with multiple domain controllers only.   First of all, I’ll …