bdii software package provides Berkeley Database Information Index (BDII), you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install bdii
bdii is installed in your system.
Make ensure the bdii package were installed using the commands given below,
$ sudo dpkg-query -l | grep bdii *
You will get with bdii package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Network |
| Package | bdii |
| Version | 5.2.23-1 |
| Description | Berkeley Database Information Index (BDII) |
| Sub Section | Net |