Working for an ISP in a previous life we used FreeBSD jails. There are kind-of-similar solutions for linux also (there's actually people in the list who sell them even).
Good luck. En un mensaje anterior, Serban Gh. Ghita escribió: > Hello > > I am banging my head on the table every day, because i cannot find an > elegant and safe solution to secure a virtual shared environment (server). > Take the following facts: