Do not disable transparent hugepages, instead disable compaction, per Cloudera docs
Only try to disable transparent hugepages compaction on Linux kernels which support it
Switch to using update-alternatives, instead of alternatives, so we work on platform_family = debian
Revert "Switch to using update-alternatives, instead of alternatives, so we work on platform_family = debian"

This reverts commit 21a7b8a2796cccea3c23376cc55b4cbe65e618a6.
Merge pull request #9 from wolf31o2/master

Disable hugepage compaction, versus disabling transparent hugepages