Oracle Client Install

Oracle-Client-Server-Matrix

Check

sudo yum list installed | grep instantclient 

sudo dnf list installed | grep instantclient

Oracle Linux 7

Oracle Linux 8

Install

sudo yum install oracle-instantclient-basic

sudo dnf install oracle-instantclient-basic

Oracle Linux 7

Oracle Linux 8

Install SQL*Plus

sudo yum install oracle-instantclient-sqlplus

sudo dnf install oracle-instantclient-sqlplus

Oracle Linux 7

Oracle Linux 8

Install (Linux)

As 'oracle'...

./runInstaller

Install (Linux) Image

mkdir -p /u01/app/oracle/product/21.0.0/client_1

chgrp oinstall /u01/app/oracle/product/21.0.0/client_1

cd /u01/app/oracle/product/21.0.0/client_1

unzip -q /tmp/client_home.zip

cd /u01/app/oracle/product/21.0.0/client_1

./runInstaller

Install (Windows)

Download the installer and launch "setup.exe"...

Windows Troubleshooting

If an application that uses the tnsnames.ora file appears to be failing to find the tnsnames.ora file (or finding the wrong one), you can use Process Monitor to help identify what is happening under the covers

Bibliography