MYDB = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = dbserver.example.com)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl.example.com) ) ) PRODDB = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = prod-scan.mycompany.com)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = prod_service.mycompany.com) ) ) 5.3 Testing Connectivity Open a command prompt or terminal:
yum install libaio libaio-devel Fix: This often indicates missing system libraries or insufficient memory. On Linux, verify all pre-requisite packages are installed. Increase swap space temporarily: install oracle client 12c
oracle.install.responseFileVersion=/oracle/install/rspfmt_clientinstall_response_schema_v12.2.0 UNIX_GROUP_NAME=oinstall INVENTORY_LOCATION=/u01/app/oraInventory SELECTED_LANGUAGES=en ORACLE_HOME=/u01/app/oracle/product/12.2.0/client_1 ORACLE_BASE=/u01/app/oracle oracle.install.client.installType=Administrator oracle.install.client.customComponents= oracle.install.client.isPortableInstall=false Run the silent installation: MYDB = (DESCRIPTION = (ADDRESS = (PROTOCOL =