On Wed, Apr 22, 2009 at 9:26 AM, Yabo-Arber Xu <arber.resea...@gmail.com> wrote: > Hi there, > > I setup a small cluster for testing. When I start my cluster on my master > node, I have to type the password for starting each datanode and > tasktracker. That's pretty annoying and may be hard to handle when the > cluster grows. Any graceful way to handle this?
If you are using the 'default', SSH authentication mechanism, setting up password-less SSH should help you. This page (among others) can help you: http://www.cs.toronto.edu/~murray/compnotes/passwordless_ssh.html Hope this helps, Amit -- http://amitksaha.blogspot.com http://amitsaha.in.googlepages.com/ *Bangalore Open Java Users Group*:http:www.bojug.in "Recursion is the basic iteration mechanism in Scheme" --- http://c2.com/cgi/wiki?TailRecursion
