If you receive a DISPLAY error because you are on a headless server (no GUI), you can use X11 forwarding (e.g., ssh -X user@server ). Otherwise, use the silent mode instructions below.
finally: # Cleanup pool.close()
For Linux installations, you can use either a GUI (Graphical User Interface) or a silent mode. Here are both approaches: install oracle client 12c
If you receive a "Connected" message, your client is correctly configured.
sqlplus username/password@MYDB
su - oracle unzip linuxx64_12201_client.zip cd client ./runInstaller Use code with caution.
The Oracle Client is a set of libraries and tools that allow applications and users to connect to an Oracle Database server. For version 12c, you have a couple of options: If you receive a DISPLAY error because you
unset LANG LC_ALL export NLS_LANG=AMERICAN_AMERICA.US7ASCII
Download the Oracle Database 12c Client from the Oracle Technology Network . Here are both approaches: If you receive a
Open the Start menu, search for , and select Edit the system environment variables . Click Environment Variables at the bottom. Under System Variables , click New and add: Variable name: ORACLE_HOME
After installing the client, you must set up the network for it to communicate with your database.