prereq- oracle 10g on linux 64bit

/usr/sbin/useradd nobody

/etc/sysctl.conf

kernel.shmall = 2097152
kernel.shmmax = 2147483648
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
fs.file-max = 65536
net.ipv4.ip_local_port_range = 1024 65000
net.core.rmem_default = 262144
net.core.rmem_max = 262144
net.core.wmem_default = 262144
net.core.wmem_max = 262144

/etc/security/limits.conf

oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
oracle hard nofile 65536

/etc/pam.d/login

session required pam_limits.so

For the Bourne, Bash, or Korn shell, add the following lines to the
/etc/profile file (or the /etc/profile.local file on SUSE systems):

if [ $USER = "oracle" ]; then
if [ $SHELL = "/bin/ksh" ]; then
ulimit -p 16384
ulimit -n 65536
else
ulimit -u 16384 -n 65536
fi
fi

mkdir -p /mount_point/app/oracle_sw_owner
chown -R oracle:oinstall /mount_point/app/oracle_sw_owner
chmod -R 775 /mount_point/app/oracle_sw_owner

e.g /u01/app/oracle

[root@localhost oracle]# mkdir /u01
[root@localhost oracle]# mkdir /u01/app
[root@localhost oracle]# mkdir /u01/app/oracle
[root@localhost oracle]# chown -R oracle:oinstall /u01/app/oracle
[root@localhost oracle]# chmod -R 775 /u01/app/oracle




ASM

rpm -Uvh oracleasm-support-1.0.0-1.i386.rpm \
oracleasm-2.4.9-e-enterprise-1.0.0-1.i686.rpm \
oracleasmlib-1.0.0-1.i386.rpm


/etc/init.d/oracleasm configure