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Oracle Database 18c Express Edition (XE) RPM Installation On Oracle Linux 6 (OL6) and 7 (OL7)

This article describes the Oracle Database 18c Express Edition (XE) RPM installation on Oracle Linux 6 (OL6) and 7 (OL7) 64-bit. The article is based on a server installation with a minimum of 2G swap and secure Linux set to permissive. An example of this type of Linux installation can be seen here (OL6 or OL7).

Related articles.

Oracle Installation

Download the "oracle-database-xe-18c-1.0-1.x86_64.rpm" RPM file from the Express Edition (XE) download page here.

With the RPM file downloaded, you can install the Oracle prerequisites and software using the following command as the "root" user. It automatically pulls down all dependencies, including the "oracle-database-preinstall-18c" package. If you do this the "oracle" user doesn't have a home directory created, so I install the preinstall package first, so the "oracle" user is as I expect it. The additional command is included below, but commented out.

#yum install -y oracle-database-preinstall-18c

yum -y localinstall oracle-database-xe-18c-1.0-1.x86_64.rpm

On RHEL you will meed to manually get the prerequisites RPM from the Yum repository and run it manually before installing the database RPM.

curl -o oracle-database-preinstall-18c-1.0-1.el7.x86_64.rpm https://yum.oracle.com/repo/OracleLinux/OL7/latest/x86_64/getPackage/oracle-database-preinstall-18c-1.0-1.el7.x86_64.rpm
yum -y localinstall oracle-database-preinstall-18c-1.0-1.el7.x86_64.rpm
rm oracle-database-preinstall-18c-1.0-1.el7.x86_64.rpm

curl -o oracle-database-preinstall-18c-1.0-1.el6.x86_64.rpm https://yum.oracle.com/repo/OracleLinux/OL6/latest/x86_64/getPackage/oracle-database-preinstall-18c-1.0-1.el6.x86_64.rpm
yum -y localinstall oracle-database-preinstall-18c-1.0-1.el6.x86_64.rpm
rm oracle-database-preinstall-18c-1.0-1.el6.x86_64.rpm

Create Database

You can do some minor configuration by editing the "/etc/sysconfig/oracle-xe-18c.conf" file before before continuing, but you don't need to.

Running the following script creates a database called "XE", with a pluggable database (PDB) called "XEPDB1". You have to specify a password, which is used for the SYS, SYSTEM and PDBADMIN users.

[root@localhost ~]# /etc/init.d/oracle-xe-18c configure
Specify a password to be used for database accounts. Oracle recommends that the password entered should be at
least 8 characters in length, contain at least 1 uppercase character, 1 lower case character and 1 digit [0-9].
Note that the same password will be used for SYS, SYSTEM and PDBADMIN accounts:
Confirm the password:
Configuring Oracle Listener.
Listener configuration succeeded.
Configuring Oracle Database XE.
Enter SYS user password:
Enter SYSTEM user password:
Enter PDBADMIN User Password:
Prepare for db operation
7% complete
Copying database files
29% complete
Creating and starting Oracle instance
30% complete
31% complete
34% complete
38% complete
41% complete
43% complete
Completing Database Creation
47% complete
50% complete
Creating Pluggable Databases
54% complete
71% complete
Executing Post Configuration Actions
93% complete
Running Custom Scripts
100% complete
Database creation complete. For details check the logfiles at:
Database Information:
Global Database Name:XE
System Identifier(SID):XE
Look at the log file "/opt/oracle/cfgtoollogs/dbca/XE/XE.log" for further details.

Connect to Oracle Database using one of the connect strings:
     Pluggable database: localhost.localdomain/XEPDB1
     Multitenant container database: localhost.localdomain
Use https://localhost:5500/em to access Oracle Enterprise Manager for Oracle Database XE
[root@localhost ~]#


On Oracle Linux 7 you can configure the database to auto-start using the following commands from the "root" user.

systemctl start oracle-xe-18c
systemctl enable oracle-xe-18c

For Oracle Linux 6 you can use the following commands.

service oracle-xe-18c start
chkconfig oracle-xe-18c on

Vagrant Example

If you want to see it in action, you might want to try this Vagrant build here.

The build is not totally silent, as the database creation require a password to be entered, but it gets everything in place so all you need to do is run the final command.

For more information see:

Hope this helps. Regards Tim...

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