in.ftpd command not found

Introduction

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

in.ftpd: command not found

or when using sudo you get the following error message

sudo: in.ftpd: command not found

Solutions to in.ftpd: command not found

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

In Ubuntu in.ftpd is provided by ftpd-ssl package.

ftpd-ssl is:

This is the netkit ftp server with encryption support.

ftpd-ssl replaces normal ftpd using SSL authentication and encryption. It interoperates with normal ftp. It checks if the other side is also talking SSL, if not it falls back to normal ftp protocol.

Advantages over normal ftp(d): Your passwords and the data you send will not go in cleartext over the line. Nobody can get it with tcpdump or similar tools.

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

sudo apt-get -y install ftpd-ssl

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

You can also use apt command to install ftpd-ssl.

sudo apt -y install ftpd-ssl

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

sudo aptitude install ftpd-ssl

Summary

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