[chef] Chef server install

[GOUTAM CHIRANIA < >]

Hi ,

I am trying to install chef server on linux version 6 node using this
link 
http://blog.frameos.org/2011/05/19/installing-chef-server-0-10-in-rhel-6-scientificlinux-6/

and while executing first step if errors out like this.


 
 ~]# rpm -Uvh http://rbel.frameos.org/rbel6
Retrieving http://rbel.frameos.org/rbel6
warning: /var/tmp/rpm-xfer.zo47UN: Header V4 DSA signature: NOKEY, key
ID f345be74
error: Failed dependencies:
        rpmlib(FileDigests) <= 4.6.0-1 is needed by
rbel6-release-1.0-2.el6.noarch
        rpmlib(PayloadIsXz) <= 5.2-1 is needed by 
rbel6-release-1.0-2.el6.noarch

Could some one please provide me the solution.

Thanks,
Goutam