Adding route in Oracle Linux Server 

route add -net 10.217.208.0 netmask 255.255.248.0 gw 10.217.48.1


Assigning IP address in Linux Server

# vi /etc/sysconfig/network-scripts/ifcfg-eth0  (assign/change the ip here)
# service network restart

Changing hostname

vi /etc/sysconfig/network
HOSTNAME=XXXXXX