Automatic configure your pre-installation setup before installing your database? This is good right?     This are what the  RPM package do when you run below command:   For oracle 11g R2   #yum install oracle-rdbms-server-11gR2-preinstall    For oracle 12cR1    #yum install oracle-rdbms-server-12cR1-preinstall          Please follow these blog. The steps are very clear and informative   http://www.oracle.com/technetwork/articles/servers-storage-admin/ginnydbinstallonlinux-488779.html  https://blogs.oracle.com/wim/entry/easily_install_oracle_rdbms_12cr1