How to Install Webmin on Ubuntu 22.10

Webmin is a web-based dashboard that allows sysadmins to manage Linux and Unix-like systems (especially servers). Webmin allows system administrators to manage user accounts, update packages, system log files, configure firewalls, email, database, postfix, etc.

Installing Webmin on Ubuntu

First, check for any pending system updates.

apt update

apt upgrade

Install the required packages.

apt install software-properties-common apt-transport-https wget

Import and Add Webmin Repository Key.

wget -q http://www.webmin.com/jcameron-key.asc -O- | sudo apt-key add -

add-apt-repository "deb [arch=amd64] http://download.webmin.com/download/repository sarge contrib"

Output:

root@crown:~# wget -q http://www.webmin.com/jcameron-key.asc -O- | sudo apt-key add -
root@crown:~# add-apt-repository "deb [arch=amd64] http://download.webmin.com/download/repository sarge contrib"
Repository: 'deb [arch=amd64] http://download.webmin.com/download/repository sarge contrib'
Description:
Archive for codename: sarge components: contrib
More info: http://download.webmin.com/download/repository
Adding repository.
Press [ENTER] to continue or Ctrl-c to cancel.
Found existing deb entry in /etc/apt/sources.list.d/archive_uri-http_download_webmin_com_download_repository-kinetic.list
Adding deb entry to /etc/apt/sources.list.d/archive_uri-http_download_webmin_com_download_repository-kinetic.list
Found existing deb-src entry in /etc/apt/sources.list.d/archive_uri-http_download_webmin_com_download_repository-kinetic.list
Adding disabled deb-src entry to /etc/apt/sources.list.d/archive_uri-http_download_webmin_com_download_repository-kinetic.list
Hit:1 http://nl.archive.ubuntu.com/ubuntu kinetic InRelease
Hit:2 http://nl.archive.ubuntu.com/ubuntu kinetic-updates InRelease
Hit:3 http://nl.archive.ubuntu.com/ubuntu kinetic-backports InRelease
Hit:4 http://nl.archive.ubuntu.com/ubuntu kinetic-security InRelease
Ign:5 http://download.webmin.com/download/repository sarge InRelease
Hit:6 http://download.webmin.com/download/repository sarge Release
Reading package lists... Done

Install Webmin by running the following command.

apt install webmin

Start the Webmin by running the below command.

/etc/webmin/start

Output:

Webmin install complete. You can now login to https://vps.server.com:10000/
as root with your root password, or as any user who can use sudo
to run commands as root.

To Configure the Firewall.

ufw allow 10000/tcp

Output:

root@crown:~# ufw allow 1000/tcp
Rules updated
Rules updated (v6)

To access Webmin, open the URL from your web browser: https://IP_address:10000

Note:

  1. When logging in for the first time, you will see an 'invalid SSL' warning.
  2. Simply click on the 'Advanced' tab and then 'Accept the risk and Continue'.

Login to the Webmin web interface using your root user and password.

First

Once you log in, you will be redirected to the Webmin dashboard.

First