Various notes on CentOS and Redhat Enterprise Linux (RHEL).
Extra Packages for Enterprise Linux (EPEL)
Information about EPEL: https://fedoraproject.org/wiki/EPEL
Inline with Upstream Stable (IUS) at https://ius.io/ is typically much more up-to-date. It automatically will pull in epel-release as a dependency.
1 yum install -y https://centos6.iuscommunity.org/ius-release.rpm
Packages like python35u-pip, etc will be available.
Software Collections is another Redhat-supported project for installing newer software on older enterprise distributions. See https://www.softwarecollections.org/en/ for more information
Redhat's Developer Toolset (see CheatSheet/Gcc) is available as a Software Collection, and apparently is the preferred way to use it.
For example, Redhat-supplied Python 3.5 w/ pip:
TODO: Find documentation on scl command.
https://github.com/sclorg/rhscl-dockerfiles has a bunch of examples on using SCLs with Docker.
https://github.com/openshift/source-to-image uses SCL and Docker.