Perform steps as root unless stated otherwise.
If you are using Oracle Enterprise Linux 6, then you can use the easy setup.
If you are using CentOS or want to know what needs to be changed, please follow the instructions for the manual setup.
Install the Oracle Pre-Install package
# yum install oracle-rdbms-server-12cR1-preinstall
Set password for newly created user "oracle"
# passwd oracle
Disable SELinux by making changes to /etc/selinux/config
SELINUX=permissive
Apply the changes via the following
# setenforce Permissive
Disable iptables
# service iptables stop # chkconfig iptables off
Edit /etc/security/limits.d/90-nproc.conf
* - nproc 16384
Create folders for database software
# mkdir -p /u01/app/oracle/product/12.1.0/db1 # chown -R oracle:oinstall /u01 # chmod -R 775 /u01
Edit /home/oracle/.bash_profile
# Oracle Settings export TMP=/tmp export TMPDIR=$TMP export ORACLE_HOSTNAME=culbor1 export ORACLE_UNQNAME=culbordb1 export ORACLE_BASE=/u01/app/oracle export ORACLE_HOME=$ORACLE_BASE/product/12.1.0/db1 export ORACLE_SID=culbordb1 export PATH=/usr/sbin:$PATH export PATH=$ORACLE_HOME/bin:$PATH export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib export CLASSPATH=$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib
Change or add the following in /etc/sysctl.conf
fs.file-max = 6815744 kernel.sem = 250 32000 100 128 kernel.shmmni = 4096 kernel.shmall = 1073741824 kernel.shmmax = 4398046511104 net.core.rmem_default = 262144 net.core.rmem_max = 4194304 net.core.wmem_default = 262144 net.core.wmem_max = 1048576 fs.aio-max-nr = 1048576 net.ipv4.ip_local_port_range = 9000 65500
Add the following lines to /etc/security/limits.conf
oracle soft nofile 1024 oracle hard nofile 65536 oracle soft nproc 16384 oracle hard nproc 16384 oracle soft stack 10240 oracle hard stack 32768
Install the following packages
# yum install binutils # yum install compat-libcap1 compat-libstdc++-33 compat-libstdc++-33.i686 # yum install gcc gcc-c++ # yum install glibc glibc.i686 glibc-devel glibc-devel.i686 # yum install ksh # yum install libgcc libgcc.i686 # yum install libstdc++ libstdc++.i686 libstdc++-devel libstdc++-devel.i686 # yum install libaio libaio.i686 libaio-devel libaio-devel.i686 # yum install libXext libXext.i686 # yum install libXtst libXtst.i686 # yum install libX11 libX11.i686 # yum install libXau libXau.i686 # yum install libxcb libxcb.i686 # yum install libXi libXi.i686 # yum install make # yum install sysstat # yum install unixODBC unixODBC-devel
Create groups and the user "oracle"
# groupadd -g 54321 oinstall # groupadd -g 54322 dba # useradd -u 54321 -g oinstall -G dba oracle
Set password for newly created user "oracle"
# passwd oracle
Disable SELinux by making changes to /etc/selinux/config
SELINUX=permissive
Apply the changes via the following
# setenforce Permissive
Disable iptables
# service iptables stop # chkconfig iptables off
Edit /etc/security/limits.d/90-nproc.conf
* - nproc 16384
Create folders for database software
# mkdir -p /u01/app/oracle/product/12.1.0/db1 # chown -R oracle:oinstall /u01 # chmod -R 775 /u01
Edit /home/oracle/.bash_profile
# Oracle Settings export TMP=/tmp export TMPDIR=$TMP export ORACLE_HOSTNAME=culbor1 export ORACLE_UNQNAME=culbordb1 export ORACLE_BASE=/u01/app/oracle export ORACLE_HOME=$ORACLE_BASE/product/12.1.0/db1 export ORACLE_SID=culbordb1 export PATH=/usr/sbin:$PATH export PATH=$ORACLE_HOME/bin:$PATH export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib export CLASSPATH=$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib