How to Install Oracle 19c on Linux Step by Step

 Introduction

Installing Oracle 19c on Linux is essential for DBAs and developers. In this guide, we’ll go through all the steps to get Oracle up and running safely.

Steps:

1. Check Linux Version and Requirements

cat /etc/os-release

free -m

df -h

Make sure you have at least 8 GB RAM, 50 GB free disk space, and supported OS version.

2. Create Oracle User and Groups

sudo groupadd oinstall

sudo groupadd dba

sudo useradd -g oinstall -G dba oracle

3. Set Environment Variables

sudo su - oracle

export ORACLE_BASE=/u01/app/oracle

export ORACLE_HOME=$ORACLE_BASE/product/19.0.0/dbhome_1

export PATH=$ORACLE_HOME/bin:$PATH

4. Download Oracle 19c

Go to Oracle website → download Linux x86_64 zip.

Upload to your server (use scp or wget).

5. Install Oracle Database

unzip LINUX.X64_193000_db_home.zip -d $ORACLE_HOME

$ORACLE_HOME/runInstaller

Follow GUI installer prompts.

6. Post-Installation Steps

Run root.sh script as root.

Configure listener and create a database.

Conclusion

Oracle 19c is now installed on Linux. This is the foundation for learning Oracle DBA, running EBS, or testing your applications.