How to Install Oracle 12c Database Software on Oracle Linux 7

We are going to learn how to install Oracle 12c database server software on Oracle Linux 7
First we need to edit the hosts file as given above
Now using the "oracle-rdbms-server-12cR1-preinstall" package we will perform the prerequisite setup
Ohh !
I forgot to connect this new server to the Internet
I will connect to the internet and try again
We need to kill the earlier yum session
It will take a while to complete
oracle user and the groups are automatically created
We are going to change the password for oracle user
now set secure Linux to permissive by editing the "/etc/selinux/config" file, making sure the SELINUX flag is set as above
Once the change is complete, restart the server or run the command
setenforce Permissive
If you have the Linux firewall enabled, you will need to disable or configure it, as shown here .
the command is# systemctl stop firewalld
# systemctl disable firewalld
Now create the directories in which the Oracle software will be installed

How to Install Oracle 12c Database Software on Oracle Linux 7

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