tcpdmatch command not found

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

Introduction

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

tcpdmatch: command not found

or when using sudo you get the following error message

sudo: tcpdmatch: command not found

Solutions to tcpdmatch: command not found

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

In Ubuntu tcpdmatch is provided by tcpd package.

tcpd is:

Wietse Venema’s network logger, also known as TCPD or LOG_TCP.

These programs log the client host name of incoming telnet, ftp, rsh, rlogin, finger etc. requests.

Security options are:

  • access control per host, domain and/or service;
  • detection of host name spoofing or host address spoofing;
  • booby traps to implement an early-warning system.

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

sudo apt-get -y install tcpd

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

You can also use apt command to install tcpd.

sudo apt -y install tcpd

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

sudo aptitude install tcpd

Summary

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