Canonical wants Ubuntu Linux to run on a range of devices — from mobile Internet devices all the way up to high-end servers and cloud systems. But there are two markets where Canonical has no plans to push Ubuntu.

During a recent phone briefing with The VAR Guy about ISV support, Canonical’s Steve George (director of corporate services) said the company had no plans to push Ubuntu for realtime solutions and mainframes. Is that a surprising statement? Certainly not. But it does help to clarify exactly where Canonical plans to promote Ubuntu as version 10.04 (Lucid Lynx) nears launch.

Sure, the official Ubuntu Wiki briefly mentions realtime Ubuntu. But that’s about it.