I've got a Sparc LX running Solaris 7 bloatware that I'd like to upgrade to
   NetBSD 1.5.1.  Is it possible to upgrade it without having physical access
   to the box (It's about 250 miles away from me)?  I can access to the console
   through the serial port and a terminal server if necessary or I can ssh in
   so long as Solaris is running.


if you have access to the (serial) console, there should be no reason to
stop you upgrading remotely.  the only time this could be problematic is
if the machine hung such that a power cycle was required or so.


.mrg.