libio-multiplex-perl software package provides object-oriented interface to select() for Perl, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libio-multiplex-perl
libio-multiplex-perl is installed in your system.
Make ensure the libio-multiplex-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libio-multiplex-perl *
You will get with libio-multiplex-perl package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Perl |
| Package | libio-multiplex-perl |
| Version | 1.13-1 |
| Description | object-oriented interface to select() for Perl |
| Sub Section | Perl |