The package names in Ubunto differ from RHEL and the OUI system check will report several missing. You can ignore them, but you will probably need to install some or all of the following packages first:
I installed all the packages which you mentioned. but still get failed, it shows me that these packages are not found or installed. Help me, i have installed ubuntu 10.04 and try to install oracle 11g R2.
# An unexpected error has been detected by HotSpot Virtual Machine:
# SIGSEGV (0xb) at pc=0xb785a6f3, pid=5953, tid=3077314240
# Java VM: Java HotSpot(TM) Server VM (1.5.0_17-b02 mixed mode)
# Problematic frame:
# C [ld-linux.so.2+0xd6f3]