How to Setup Ubuntu with Webmin on Azure/AWS/GCP

Access Webmin

Once the server has booted up and you are logged in via SSH terminal, the first step is to update the miniserv.conf file

From your SSH terminal run the following command:

For Ubuntu run:

sudo nano /etc/webmin/miniserv.conf

For CentOS run:

sudo vi /etc/webmin/miniserv.conf

Then scroll down to ‘SSL=1‘ and change it to ‘SSL=0‘

This is so you dont receive SSL errors when accessing the Webmin portal.

For Ubuntu:

Press Ctrl+O to save and then Ctrl+X to exit the config file

For CentOS:

Press i to enter insert mode. Change ‘SSL=1‘ to ‘SSL=0‘. Then press esc to exit insert mode. Then type :X to save and exit.

Run the following command to restart the Webmin services.

sudo /etc/init.d/webmin restart

Now access the following URLs to access the Webmin portal using the servers IP:

http://PublicIP:10000

Or

http://PrivateIP:10000

Login using the root user and password.

Create a new root user account

If you want to create a root user and password, follow this step.

Open up your terminal and run the following commands:

Use the adduser command to add a new user to your system.

Be sure to replace username with the user that you want to create.

For Ubuntu run:

sudo adduser username

Set and confirm the new user’s password at the prompt. A strong password is highly recommended!

Follow the prompts to set the new user’s information. It is fine to accept the defaults to leave all of this information blank.

For CentOS run:
sudo adduser username

sudo passwd username

Use the usermod command to add the user to the sudo group.

For Ubuntu run:

sudo usermod -aG sudo username

For CentOS run:

sudo usermod -aG wheel username

By default, on Ubuntu, members of the sudo group have sudo privileges. And members of the wheel group for CentOS users have sudo privieges.

You can now login to Webmin URL using the new account.

Support / Documentation

Refer to Webmin documentation on using Webmin on Ubuntu: https://doxfer.webmin.com/Webmin/Main_Page