[chef] Knife Bootstrap for installing anf configuring chef client

[goutam < >]

Hi,

i am beginner on Chef, i've installed chef server using this link
http://blog.frameos.org/2011/05/19/installing-chef-server-0-10-in-rhel-6-scientificlinux-6/
and trying to install and configure chef client using knife bootstrap in the
same link. 

but i don't Knife command working here and guess some packages are missing or
i've have to configure knife as knife --help doesn't return any thing

so, how can i make knife bootstrap work. please provide me solution for it.

Thanks,
Goutam