bacula-traymonitor software package provides network backup service - tray monitor, 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 bacula-traymonitor
bacula-traymonitor is installed in your system.
Make ensure the bacula-traymonitor package were installed using the commands given below,
$ sudo dpkg-query -l | grep bacula-traymonitor *
You will get with bacula-traymonitor package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Administration Utilities |
| Package | bacula-traymonitor |
| Version | 5.2.6+dfsg-9.3 |
| Description | network backup service - tray monitor |
| Sub Section | admin |