Prerequisites

A server for storing source data has been prepared, and it can communicate with GaussDB. The server has robust system resources such as memory, disk spaces, and file handles.

Obtaining the Driver Package

Download particular packages listed in Table 1 based on the version of your instance.

**Table 1** Driver package download list
Version	Download Address
8.x	Driver package Verification package for the driver package
3.x	Driver package Verification package for the driver package
2.x	Driver package Verification package for the driver package

To prevent a software package from being tampered with during transmission or storage, download the corresponding verification package and perform the following steps to verify the software package:

Upload the software package and verification package to the same directory on a Linux VM.
Run the following command to verify the integrity of the software package:
cat GaussDB_driver.zip.sha256 | sha256sum --check

If OK is displayed in the command output, the verification is successful.
```
GaussDB_driver.zip: OK
```