Fix port requirements in pbench-uperf doc #2969
Merged
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PBENCH-868
Fixes #2968
pbench-uperf
starts with a server port of 20010, not 20000, so we fix the doc to agree with the implementation.The doc does not mention that the local ports on each system need to be open for
uperf
to operate successfully. That information plus information on how to find the range on a system and how to usefirewall-cmd
to open the range are added.