Diskless Environment
 

Hello you all,
I'm using RHEL5 and i'm trying to configure diskless Environment but i'm facing a problem,
i'm properly configure tftp server,one fresh install image of RHlinux5 on server and proper share,followed by books properly but when i open diskless Environment setup wizard first give the a short name or Description then give the ip of nfs server where image of fresh machine is saved,and location also now next again one kernel version are show next again then apply, now here two problem genreting the problem is....
Ist-- All of your loopback devices are in use and
2nd-- Could not find kernel None /boot/vmlinuz-2.6.18-8.el5
but i was check /boot/vmlinuz-2.6.18-8.el5 this kernel was proper save & share on nfs server..
both problem showing all machine, i was try this lab practice at many pc(i686) but every where this problem is fix...
So now what can i do...