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Every Ubuntu flavor you can spontaneously think of is named something with "buntu" as prefix nowadays. SBS is a common abbreviation for Small Business Servers.

Logical consequence? Call your easy business server "SBSbuntu". Yeah, right, doesn't look very well, and is impossible to pronounce.

Solution? Take a well-known Ubuntu developer in order to fill in the vowels, so the name is both descriptive and a pun. Tada... "Sebasbuntu"! :-P