E450(asume its ip :1.1.1.1/24),
assume the source machine with X_windows supported ,which ip is 1.1.1.2/24,
from.2,as root user
#telnet 1.1.1.1
#DISPLAY=1.1.1.2:0.0;export DISPLAY
#cd /usr/openwin/bin
#./xhost +
#exit
//now back to your .2 machine;
#su - oracle
$cd /usr/openwin/bin
$./xhost +
$./mnt/runInstaller