i am jeffriy and beginner for hadoop..
i have problem for my cluster hadoop . i have hadoop multi node, a master and 4 slave nodes. my problem is a my slave nodes cannot connected to my master, when i acces to localhost:50070 slave not does not appear that surfaced only master node, sorry my english is bad ...i am using hadoop 1.2.1 and my os is ubuntu 10.04 please give me an solution and tutorial installation and configuration full ? thanks