32 bit UF download is not listed:
so, for 32 bit linux UF,...
If you require a version that is not listed please contact Splunk Support.
Please note that, You should to plan about UF to Indexer compatibility:
(PS - i have given around 500+ karma points so far, received badge for that, if an answer helped you, a karma point would be nice!. we all should start "Learn, Give Back, Have Fun")