Install Oracle Client 12c Jun 2026
Without ldconfig , Python’s cx_Oracle or PHP’s oci8 will throw ImportError: libclntsh.so.12.1: cannot open shared object file .
If you run into any road blocks during your configuration, let me know: What (and version) you are installing on? Whether you are using the 32-bit or 64-bit client? The exact error message or code you are seeing? install oracle client 12c
/u01/app/oraInventory/orainstRoot.sh /u01/app/oracle/product/12.2.0/client_1/root.sh Use code with caution. Click on the OUI screen. Post-Installation Configuration Without ldconfig , Python’s cx_Oracle or PHP’s oci8
Oracle 12c introduces the concept of an Oracle Home User to manage services securely. The exact error message or code you are seeing
MY_DB_ALIAS = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = your_database_server_ip)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = your_database_service_name) ) ) Use code with caution. 3. Verify Connection Using TNSPING
The Oracle Universal Installer (OUI) will launch. You will see four installation options: