fwbuilder command not found

Introduction

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

fwbuilder: command not found

or when using sudo you get the following error message

sudo: fwbuilder: command not found

Solutions to fwbuilder: command not found

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

In Ubuntu fwbuilder is provided by fwbuilder package.

fwbuilder is:

Firewall Builder consists of an object-oriented GUI and a set of policy compilers for various firewall platforms. In Firewall Builder, firewall policy is a set of rules, each rule consists of abstract objects which represent real network objects and services (hosts, routers, firewalls, networks, protocols). Firewall Builder helps the user maintain a database of objects and allows policy editing using simple drag-and-drop operations.

This is the GUI part of fwbuilder

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

sudo apt-get -y install fwbuilder

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

You can also use apt command to install fwbuilder.

sudo apt -y install fwbuilder

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

sudo aptitude install fwbuilder

Summary

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