stefari@tiscali.it writes:
> I have a Linux Distribuction that works only in single user mode as root.
That's about as brain dead a setup as I've ever heard of :-(.
Get a real operating system, not a CP/M emulation.
> The postmaster daemon starts only if I 'm not root user.
That's an intentional security measure. You could defeat it by altering
the source code but we do not recommend doing so.
regards, tom lane