Decommission HDFS data node with minimal impact on the running applications.
Create LXD image from an existing snapshot.
Display Hadoop cluster report.
Disable Pi-hole query rate-limiting in a local lab as rate-limited queries get a REFUSED reply and are not further processed by FTL.
Install DNS lookup utility to perform basic DNS lookups.
Hadoop has a native implementation for certain components, but sometimes it does not load automatically.
Update Hadoop heartbeat interval to mark data node as dead at the predefined period of time depending on your requirement.
Perform reverse DNS lookups to map addresses to names.
Validate Hadoop configuration XML files.
Determine which SSH public key was uploaded to the web service.