Enabling tracing for oracle LISTENER

Background: For the oracle errors like “ORA-12170: TNS:Connect timeout occurred”, “ORA-12535: TNS:operation timed out”, “ORA-12560: TNS:protocol adapter error”, “TNS-00505: Operation timed out” and like others related to oracle listener it is useful of tracing the listener activities to dig down further. Workaround: Connect to the listener control utility from the command line or shell. LSNRCTL…

Linked tables having Calculated field can’t be made Local in MS Access 2016

Background: For the purpose of taking backup of the MS access database, VBA script failed for one of the tables of the source database, showing “Property not found Error: 3270“. Resolution: Compact and repairing didn’t solve the issue, recreated the table also didn’t help. Upon further dig down its been observed that removing the “Calculated”…

Cloning a virtual machine in VirtualBox

Background Cloning of a virtual machine is the easiest way around to get the copy of the same operating system environment which saves time and effort of another installation and configuration of the same. Workaround Choose the virtual machine that should be cloned. Right click on the VM and select “Clone”.                                              Provide the “Name”, “Path”…