to access hadoop one must first ssh to 

cse321@nexos-dlink.cse.buffalo.edu

password: re@ltime321

then from nexos-dlink

you have to ssh to hadoop@zeus
password : w3bcr@wl3r

from there, there are instructions located
in the 
/home/hadoop/hadoop-0.17.2.1/  directory entitled DISTCRAWL-HOWTO and WORDCOUT-HOWTO