

Inference is dirt cheap in comparison. Hundreds to thousands of concurrent users can be served by hardware costing in the high-thousands to low-ten-thousands.
Training those same foundational models is weeks to months of time on tens to hundreds of millions worth of hardware.



People shit on it but there’s a lot of good open-source tooling that supports it.
There are nist l1 profiles
Tutorials and guides for everything
etc
Part of being a good sysadmin is knowing when not to reinvent the wheel. Ubuntu has a lot of options for vetted, hardened, “other people’s wheels.”
Also, for posterity, the competent ones are running the headless, server version of Ubuntu. (As opposed to the bloated mess that is Ubuntu Desktop). The server version catches a lot of flack it doesn’t deserve.