OID/SSO/Portal 10g ip/hostname change

Below is link we can use .
http://docs.oracle.com/cd/B14099_19/core.1012/b13995/host.htm#CHDGHFGE

Out of this below are applicable to us

8.2.2 Changing the Hostname, Domain Name, or IP Address of a Middle-Tier Installation

8.2.3 Changing the Hostname, Domain Name, or IP Address of an Identity Management Installation


Below are the commands to be run after move .Old ip needs to be noted before shutdown .

cd ORACLE_HOME/chgip/scripts
./chgiphost.sh -idm

cd ORACLE_HOME/chgip/scripts
./chgiphost.sh -mid