authbind software package provides Allows non-root programs to bind() to low ports, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install authbind
authbind is installed in your system.
Make ensure the authbind package were installed using the commands given below,
$ sudo dpkg-query -l | grep authbind *
You will get with authbind package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Utilities |
| Package | authbind |
| Version | 2.1.1+nmu1 |
| Description | Allows non-root programs to bind() to low ports |
| Sub Section | Utils |