For a number of packages in the PostgreSQL yum repository, one needs
to enable EPEL to make them work, and sometimes also PowerTools.
This information is currently only available as archived news on the
yum website, AFAICT.
We should somehow work this into the download instructions I think.
--
Magnus Hagander
Me: https://www.hagander.net/
Work: https://www.redpill-linpro.com/