Jessie Network config QUESTION - Raspberry Pi Forums

i have loaded incrediblepbx13-raspbian8 image onto rpi2 following source

https://sourceforge.net/projects/pbxina ... p/download

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uname -a linux pi2b 3.18.11-v7+ #781 smp preempt tue apr 21 18:07:59 bst 2015 armv71 gnu/linux

image installed sd card using first rpi2 raspbian7 , network configured manually in /etc/hostname /etc/hosts /etc/resolv.conf , /etc/network/interfaces .
on booting new image grabs same ip first pi2 , manually entered network config gets overwritten presumably resolvconf .

question how change /etc/hostname pi2b , /etc/hosts /etc/resolv.conf , /etc/network/interfaces such won't try pi2 (1st pi), , gets correctly configured.

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dpkg-query -l 'isc*'  ii      isc-dhcp-client                 4.2.2dfsg.1-5+deb70u6          armhf      isc dhcp client ii      isc-dhcp-common           4.2.2dfsg.1-5+deb70u6          armhf      common files used isc-dhcp* packages   dpkg-query -l 'resolvconf' rc    resolvconf                        1.67                                                       name server information handler 

no sure question is. edit files on new machine same way did previous one, not?

raspberrypi