linkchecker command not found

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

Introduction

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

linkchecker: command not found

or when using sudo you get the following error message

sudo: linkchecker: command not found

In Ubuntu linkchecker is provided by linkchecker package.

linkchecker is:

Provides a command line program and web interface to check links of websites and HTML documents. Features:

recursive checking
multithreaded
output in colored or normal text, HTML, SQL, CSV, XML or a sitemap graph in different formats
HTTP/1.1, HTTPS, FTP, mailto:, news:, nntp:, Telnet and local file links support
restrict link checking with regular expression filters for URLs
proxy support
username/password authorization for HTTP, FTP and Telnet
robots.txt exclusion protocol support
Cookie support
i18n support
HTML and CSS syntax check
Antivirus check

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

sudo apt-get -y install linkchecker

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

You can also use apt command to install linkchecker.

sudo apt -y install linkchecker

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

sudo aptitude install linkchecker

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