sediff command not found

In this troubleshooting guide we learn how to fix sediff command not found error message

Introduction

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

sediff: command not found

or when using sudo you get the following error message

sudo: sediff: command not found

Solutions to sediff: command not found

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

In Ubuntu sediff is provided by setools package.

setools is:

Security-enhanced Linux is a patch of the Linux kernel and a number of utilities with enhanced security functionality designed to add mandatory access controls to Linux. These are Tools for analysing security policy on SELinux systems.

This package contains the following CLI tools:

  • sechecker: automated SELinux policy analysis tool
  • sediff: SELinux policy difference tool
  • sedta: domain transition analysis for SELinux policies
  • seinfo: SELinux policy information tool
  • seinfoflow: information flow analysis for SELinux policies
  • sesearch: SELinux policy query tool

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

sudo apt-get -y install setools

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

You can also use apt command to install setools.

sudo apt -y install setools

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

sudo aptitude install setools

Summary

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