Update BEST_PRACTICES.md
* Disable SElinux on the Control Plane.
* Use a [host mapping file](examples/host_mapping_file_os_provisioning.csv) and [device mapping file](examples/mapping_device_file.csv) even when using DHCP configuration to ensure that IP assignments remain persistent across Control Plane reboots.
* Avoid rebooting the Control Plane as much as possible to ensure that all network configuration does not get disturbed.
-* Review the [PreRequisites](docs/PreRequisites) before running Omnia Scripts.
+* Review the [PreRequisites](PreRequisites) before running Omnia Scripts.
* If telemetry is to be enabled using Omnia, use AWX to deploy Slurm/Kubernetes.
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