ansible software package provides Configuration management, deployment, and task execution system, 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 ansible
ansible is installed in your system.
Make ensure the ansible package were installed using the commands given below,
$ sudo dpkg-query -l | grep ansible *
You will get with ansible package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Administration Utilities |
| Package | ansible |
| Version | 1.7.2+dfsg-2 |
| Description | Configuration management, deployment, and task execution system |
| Sub Section | admin |