With Oracle’s « Preinstallation RPM » you can easily prepare Oracle Database 12c and 11g installations on Oracle Linux. But these RPMs will not work unless you’re working with a « UEK kernel ». The article below shows a tip to use this RPM on a « Redhat Kernel » anyway.
 

 

 Download Oracle Preinstallation RPM on Public YUM.

On http://public-yum.oracle.com/repo/OracleLinux/OL6/latest/x86_64
    oracle-rdbms-server-11gR2-preinstall-1.0-3.el6.x86_64.rpm     27-Mar-2012 06:50     14.7 K
    oracle-rdbms-server-11gR2-preinstall-1.0-6.el6.x86_64.rpm     08-Jun-2012 01:16     15.1 K
    oracle-rdbms-server-11gR2-preinstall-1.0-7.el6.x86_64.rpm     24-Dec-2012 23:33     15.2 K
    oracle-rdbms-server-11gR2-preinstall-1.0-9.el6.x86_64.rpm     21-Nov-2013 10:00     16.9 K
    oracle-rdbms-server-12cR1-preinstall-1.0-8.el6.x86_64.rpm     24-Apr-2013 01:26     14.8 K
    oracle-rdbms-server-12cR1-preinstall-1.0-11.el6.x86_64.rpm    21-Nov-2013 10:01     15.4 K

At present time :

wget http://public-yum.oracle.com/repo/OracleLinux/OL6/latest/x86_64/oracle-rdbms-server-11gR2-preinstall-1.0-9.el6.x86_64.rpm
wget http://public-yum.oracle.com/repo/OracleLinux/OL6/latest/x86_64/oracle-rdbms-server-12cR1-preinstall-1.0-11.el6.x86_64.rpm

Extract RPM :

[root ~]# mkdir -p oracle-rdbms-server-11gR2-preinstall-1.0-9
[root ~]# cd oracle-rdbms-server-11gR2-preinstall-1.0-9
[root oracle-rdbms-server-11gR2-preinstall-1.0-9]# rpm2cpio ../oracle-rdbms-server-11gR2-preinstall-1.0-9.el6.x86_64.rpm | cpio -idmv
./etc/rc.d/init.d/oracle-rdbms-server-11gR2-preinstall-firstboot
./etc/sysconfig/oracle-rdbms-server-11gR2-preinstall
./etc/sysconfig/oracle-rdbms-server-11gR2-preinstall/oracle-rdbms-server-11gR2-preinstall-verify
./etc/sysconfig/oracle-rdbms-server-11gR2-preinstall/oracle-rdbms-server-11gR2-preinstall.param
./usr/bin/oracle-rdbms-server-11gR2-preinstall-verify
./var/log/oracle-rdbms-server-11gR2-preinstall
./var/log/oracle-rdbms-server-11gR2-preinstall/results
86 blocks
[root oracle-rdbms-server-11gR2-preinstall-1.0-9]# ll
total 12
drwxr-xr-x 4 root root 4096 Aug 26 12:01 etc
drwxr-xr-x 3 root root 4096 Aug 26 12:01 usr
drwxr-xr-x 3 root root 4096 Aug 26 12:01 var

[root ~]# mkdir oracle-rdbms-server-12cR1-preinstall-1.0-11
[root ~]# cd oracle-rdbms-server-12cR1-preinstall-1.0-11
[root oracle-rdbms-server-12cR1-preinstall-1.0-11]# rpm2cpio ../oracle-rdbms-server-12cR1-preinstall-1.0-11.el6.x86_64.rpm | cpio -idmv
./etc/rc.d/init.d/oracle-rdbms-server-12cR1-preinstall-firstboot
./etc/sysconfig/oracle-rdbms-server-12cR1-preinstall
./etc/sysconfig/oracle-rdbms-server-12cR1-preinstall/oracle-rdbms-server-12cR1-preinstall-verify
./etc/sysconfig/oracle-rdbms-server-12cR1-preinstall/oracle-rdbms-server-12cR1-preinstall.param
./usr/bin/oracle-rdbms-server-12cR1-preinstall-verify
./var/log/oracle-rdbms-server-12cR1-preinstall
./var/log/oracle-rdbms-server-12cR1-preinstall/results
79 blocks
[root oracle-rdbms-server-12cR1-preinstall-1.0-11]# ll
total 12
drwxr-xr-x 4 root root 4096 Aug 26 12:00 etc
drwxr-xr-x 3 root root 4096 Aug 26 12:00 usr
drwxr-xr-x 3 root root 4096 Aug 26 12:00 var

List packages required by the RPM :

[root ~]# rpm -qpR oracle-rdbms-server-11gR2-preinstall-1.0-9.el6.x86_64.rpm 2>/dev/null | egrep -v 'rpmlib|^/|=|uek' | awk '{ printf "%s \\ \n", $1 '}
bc \
bind-utils \
binutils \
compat-libcap1 \
compat-libstdc++-33 \
ethtool \
gcc \
gcc-c++ \
glibc \
glibc-devel \
initscripts \
ksh \
libaio \
libaio-devel \
libgcc \
libstdc++ \
libstdc++-devel \
make \
module-init-tools \
nfs-utils \
openssh-clients \
pam \
procps \
smartmontools \
sysstat \
util-linux-ng \
xorg-x11-utils \
xorg-x11-xauth \

[root ~]# rpm -qpR oracle-rdbms-server-12cR1-preinstall-1.0-11.el6.x86_64.rpm 2>/dev/null | egrep -v 'rpmlib|^/|=|uek' | awk '{ printf "%s \\ \n", $1 '}
bc \
bind-utils \
binutils \
compat-libcap1 \
compat-libstdc++-33 \
ethtool \
gcc \
gcc-c++ \
glibc \
glibc-devel \
initscripts \
ksh \
libaio \
libaio-devel \
libgcc \
libstdc++ \
libstdc++-devel \
make \
module-init-tools \
nfs-utils \
openssh-clients \
pam \
procps \
smartmontools \
sysstat \
util-linux-ng \
xorg-x11-utils \
xorg-x11-xauth \

Install required packages :

[root ~]# yum -y install \
bc \
bind-utils \
binutils \
compat-libcap1 \
compat-libstdc++-33 \
ethtool \
gcc \
gcc-c++ \
glibc \
glibc-devel \
initscripts \
ksh \
libaio \
libaio-devel \
libgcc \
libstdc++ \
libstdc++-devel \
make \
module-init-tools \
nfs-utils \
openssh-clients \
pam \
procps \
smartmontools \
sysstat \
util-linux-ng \
xorg-x11-utils \
xorg-x11-xauth

Configure your Oracle server :

[root oracle-rdbms-server-11gR2-preinstall]# cd ./etc/sysconfig/oracle-rdbms-server-11gR2-preinstall
[root oracle-rdbms-server-11gR2-preinstall]# chmod 744 oracle-rdbms-server-11gR2-preinstall-verify
[root oracle-rdbms-server-11gR2-preinstall]# ./oracle-rdbms-server-11gR2-preinstall-verify

Verify that modifications are made:

oinstall and dba groups
oracle user
/var/log/oracle-rdbms-server-11gR2-preinstall/results/orakernel.log
   /etc/security/limits.conf file
   /etc/sysctl.conf file
   /boot/grub/grub.conf file