Oracle database 23c installation
Oracle database 23c free developer release is rpm based installation and OEL8 OS is used.
System Requirements
Operating system : Oracle Linux x86_64.
RAM : 1GB minimum – 2GB recommended.
Disk space : 10GB minimum.
Swap : Minimum 2GB or twice of RAM allocated.
23c Database Developer Version Prerequisites
Run the below command to enable the Oracle Linux 8 Developer Channel as “root” user. Channel is associated with repository that defines the source of the packages and errata.
dnf install -y oraclelinux-developer-release-el8
Run below command to install all prerequisites for installing 23c database as “root” user.
dnf install -y oracle-database-preinstall-23c
Note – As part of pre-installation “oracle” user, groups will be be created andkernel configuration settings required for Oracle installations are set. After completion of pre-reqs create password for Oracle user.
Oracle User Password –
passwd oracle
Install 23c Binaries
Download 23c database rpm (oracle-database-free-23c-1.0-1.el8.x86_64.rpm) and ftp to virtual box.
dnf -y localinstall oracle-database-free-23c-1.0-1.el8.x86_64.rpm
Configure 23c Database
Multitenant database. Use dbca or by running below command creates multitenant database with container database “FREE” and one pluggable database “FREEPDB1” with default port 1521.
/etc/init.d/oracle-free-23c configureNeed to enter password for SYS, SYSTEM and PDBADMIN in the command prompt.
23c Database Login
Login into “oracle” user and set environment variables and login to “FREE” 23c database.
[oracle@localhost ~]$ . oraenv
ORACLE_SID = [oracle] ? FREE
The Oracle base has been set to /opt/oracle
[oracle@localhost ~]$ sqlplus
SQL*Plus: Release 23.0.0.0.0 – Developer-Release on Fri Jun 16 17:06:47 2023
Version 23.2.0.0.0
Copyright (c) 1982, 2023, Oracle. All rights reserved.
Enter user-name: / as sysdba
Connected to:
Oracle Database 23c Free, Release 23.0.0.0.0 – Developer-Release
Version 23.2.0.0.0
SQL> alter session set container=FREEPDB1;
Session altered.
SQL>