capistrano software package provides tool to execute commands in parallel on multiple servers, 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 capistrano
capistrano is installed in your system.
Make ensure the capistrano package were installed using the commands given below,
$ sudo dpkg-query -l | grep capistrano *
You will get with capistrano package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Ruby |
| Package | capistrano |
| Version | 3.4.0-1 |
| Description | tool to execute commands in parallel on multiple servers |
| Sub Section | Ruby |