[darren0]

That's a link to an old version. The latest versions do officially support SLES. I think it was added in the 2.4 release. https://rancher.com/support-maintenance-terms/all-supported-...

[yellowapple]

Weird. That "old version" is where e.g. https://rancher.com/quick-start/ points (if you click on the "supported Linux distribution" link).