unixserver command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

unixserver: command not found

or when using sudo you get the following error message

sudo: unixserver: command not found

Solutions to unixserver: command not found

How To Fix unixserver: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu unixserver is provided by ucspi-unix package.

ucspi-unix is:

unixclient and unixserver are command-line tools for building UNIX domain client-server applications. unixclient connects to a UNIX domain socket and runs a program of your choice. unixserver creates a UNIX domain socket, waits for incoming connections and, for each connection, runs a program of your choice.

unixclient and unixserver conform to UCSPI, the UNIX Client-Server Program Interface, using UNIX domain sockets. UCSPI tools are available for several different networks.

See http://cr.yp.to/proto/ucspi.txt for more information on UCSPI.

To fix this problem, we can install more using the command below.

sudo apt-get -y install ucspi-unix

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install ucspi-unix.

sudo apt -y install ucspi-unix

Or if you have aptitude installed you can use the following command.

sudo aptitude install ucspi-unix

Summary

In this tutorial we learn how to fix unixserver command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.