Make sure SElinux DISABLED.
Add groups and user: groupadd -g 501 oinstall groupadd -g 502 dba useradd -u 502 -g oinstall -G dba oracle passwd oracle
Add kernel parameters vi /etc/sysctl.conf kernel.shmmni = 4096 kernel.shmmax = 4398046511104 kernel.shmall = 1073741824 kernel.sem = 250 32000 100 128 fs.aio-max-nr = 1048576 fs.file-max = 6815744 net.ipv4.ip_local_port_range = 9000 65500 net.core.rmem_default = 262144 net.core.rmem_max = 4194304 net.core.wmem_default = 262144 net.core.wmem_max = 1048586 Apply kernel parameters sysctl -p
Set shell limits for user oracle vi /etc/security/limits.conf oracle soft nproc 131072 oracle hard nproc 131072 oracle soft nofile 131072 oracle hard nofile 131072 oracle soft core unlimited oracle hard core unlimited oracle soft memlock 50000000 oracle hard memlock 50000000
The “/etc/hosts” file must contain a fully qualified server name. 127.0.0.1 db.yourhost.com and verify by ping db.yourhost.com 64 bytes from db.yourhost.com (127.0.0.1): icmp_seq=1 ttl=64 time=0.080 ms
vi /home/oracle/.bash_profile # Oracle Settings export TMP=/tmp export ORACLE_HOSTNAME=db.yourhost.com export ORACLE_UNQNAME=orcl export ORACLE_BASE=/home/oracle/app/oracle export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/db_1 export ORACLE_SID=orcl PATH=/usr/sbin:$PATH:$ORACLE_HOME/bin export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib; export CLASSPATH=$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib; alias cdob='cd $ORACLE_BASE' alias cdoh='cd $ORACLE_HOME' alias tns='cd $ORACLE_HOME/network/admin' alias envo='env | grep ORACLE' umask 022
Check packages which are missing:(and install them)
rpm -q --qf '%{NAME}-%{VERSION}-%{RELEASE}(%{ARCH})\n' binutils \ elfutils-libelf \ elfutils-libelf-devel \ gcc \ gcc-c++ \ glibc \ glibc-common \ glibc-devel \ glibc-headers \ ksh \ libaio \ libaio-devel \ libgcc \ libstdc++ \ libstdc++-devel \ make \ sysstat \ unixODBC \ unixODBC-devel
Finally, go into the unzipped database dir,(with GUI)
./runInstaller