Install Oracle Client 12c Portable Jun 2026

This article covers preparing for, downloading, installing, configuring, and verifying Oracle Client 12c on Windows and Linux. It includes both GUI and silent install options and notes common post-install tasks (network configuration, environment variables, and troubleshooting).

The top-level directory for Oracle software installations (e.g., C:\app\client\User ).

Keep the defaults or modify the drive letter if needed, then click Next. install oracle client 12c

Oracle clients require a libclntsh.so without a version number. Create it:

cd /home/oracle/client_install/client

If successful, you will see a message displaying OK along with the round-trip time in milliseconds. Next, test an actual database connection using SQL*Plus: sqlplus username/password@MY_DB_ALIAS Use code with caution.

If the connection succeeds, you will see the SQL*Plus command prompt ( SQL> ), confirming your installation and configuration are correct. Keep the defaults or modify the drive letter

Visit the Official Oracle Software Delivery Cloud or the Oracle Technology Network downloads page.

Error: /lib64/libc.so.6: version 'GLIBC_2.14' not found Next, test an actual database connection using SQL*Plus: