How to install Webmin on Ubuntu 18.04

The objective is to install Webmin on Ubuntu 18.04 Bionic Beaver Linux along with required Linux, Apache, MySQL, PHP (LAMP) stack.

Operating System and Software Versions
  • Operating System: – Ubuntu 18.04 Bionic Beaver Linux
  • Software: – Webmin 1.870 and higher

This guide assumes the following scenario:

  • open firewall port 10000 or disabled firewall. See appendix below on how to open port 10000 on your UFW firewall
  • webmin server can be resolved via hostname Confirm your DNS settings before continuing.

Install Prerequisites

The only main prerequisite for running a Webmin on your server is installed and running LAMP stack. Fortunately, installation of LAMP on Ubuntu is a trivial task:

You will be prompted for a MySQL administration password. Simply enter it and take a note of it. You will need this password later within Webmin to access your databases.

Install Webmin

To install webmin on Ubuntu 18.04 we first need to add Webmin’s external repository and verification key signature:

The last lines of the Webmin installation output will reveal instructions on how to access Webmins interface. Example:

Access Webmin web Interface

To access Webmin’s web interface start up your web browser and open the URL as shown during the Webmin installation process. Your browser will most likely complain about invalid HTTPS certificate.

This can be ignored or alternatively you can create Let’s Crypt certificate using webmin Webmin -> Webmin Configuration -> SSL Encryption -> Let's Encrypt once you login.

Login to Webmin using your root or sudo user credentials:

Open port 10000 with UFW

Given that your UFW is already enabled you can allow incoming traffic from any source to TCP port 10000 using the following.


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