Webmin is a free, open source and web-based Linux/Unix system administration control panel. Webmin is similar to cPanel, DirectAdmin etc and provides an easy way to manage websites. With Webmin we can set up user accounts, manager Apache web server, DNS Server, samba and File configuration, FTP, email servers, local/remote filesystems, package management, manage database servers e.t.c.

First, install Perl and required dependencies.

sudo yum -y install @perl

Add repository content to CentOS 8 system.

sudo tee  /etc/yum.repos.d/webmin.repo<<EOF
[Webmin]
name=Webmin Distribution Neutral
baseurl=https://download.webmin.com/download/yum
enabled=1
EOF

Then import repository GPG key:

sudo rpm --import http://www.webmin.com/jcameron-key.asc

Then install webmin using yum package manager.

sudo dnf install webmin

Type y to accept installation:

Importing GPG key 0x8483C65D: y

To get the package version and other details, use:

rpm -qi webmin

Configure Webmin on CentOS 8

Install Virtualmin

1. Ensure your server is up to date

sudo yum update -y

2. Download the Virtualmin installer script using wget

sudo wget http://software.virtualmin.com/gpl/scripts/install.sh

3. Execute the install script

sudo sh install.sh