For 10 Linux servers you have two options.
You need to Install New SEPM which again requires a server OS or Win7. Database, Administrative effort.
you need to configure sepm as reverse proxyto download defs for linux
Enabling Mac and Linux clients to download LiveUpdate content using the Apache Web server as a reverse proxy
http://www.symantec.com/business/support/index?page=content&id=HOWTO85034
Or
for 10 Linux servers you can buy 10 individual license and intall them as Unmanaged. You still need to use Liveudpate admin or internet or Intelligent updater to update linux machines.