hwloc-nox software package provides Hierarchical view of the machine - non-X version of utilities, 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 hwloc-nox
hwloc-nox is installed in your system.
Make ensure the hwloc-nox package were installed using the commands given below,
$ sudo dpkg-query -l | grep hwloc-nox *
You will get with hwloc-nox package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Administration Utilities |
| Package | hwloc-nox |
| Version | 1.10.0-3 |
| Description | Hierarchical view of the machine - non-X version of utilities |
| Sub Section | admin |