How to install Virtualmin

Eugene

Virtualmin is a powerful web hosting control panel built on Webmin, designed for managing multiple domains, websites, databases, email accounts, and server resources. It provides an intuitive GUI-based alternative to cPanel, supporting Apache/Nginx, MySQL/MariaDB, PHP, Postfix, Dovecot, and other essential hosting components. Virtualmin is available in both free (GPL) and premium versions, making it a flexible solution for individuals and businesses.

Important Considerations Before Installation

Before installing Virtualmin, keep these key points in mind:

• Fresh OS Installation Required – Virtualmin is designed for a clean server. Installing it on a pre-configured system may cause conflicts.
• Supported Operating Systems – Compatible with AlmaLinux 9, Debian 12, and Ubuntu 24.04
• System Resources – At least 1GB RAM (2GB+ recommended) and sufficient disk space for hosting websites.

1. Installation

1. Update Your System

Run the following command to update all packages:

AlmaLinux
sudo dnf update -y

Debian / Ubuntu
sudo apt update && sudo apt upgrade -y

2. Download Virtualmin Install Script

Use wget to fetch the install script:

wget https://software.virtualmin.com/gpl/scripts/install.sh

3. Run the Installation Script

Make the script executable and start the installation:

chmod +x install.sh
sudo ./install.sh

• Type 'y' and press Enter to proceed when prompted.
• The script will automatically install Webmin, Virtualmin, Apache/Nginx, MariaDB/MySQL, PHP, Postfix, Dovecot, and other necessary components.

After installation you should see following message:

2. Accessing Virtualmin

5. Access Virtualmin through the browser

Once the installation is complete, access Virtualmin via your browser:

https://your-server-ip:10000

If you see a security warning, accept the self-signed certificate to proceed.

• Username: root
• Password: Your root password

3. Configuring Virtualmin

6. Complete Post-Installation Wizard
* Set the database configuration (MySQL/MariaDB).
* Choose PHP versions and memory limits.
* Enable or disable features based on your needs.

4. Secure Virtualmin

7. Install "Let's Encrypt"

If you have a domain pointing to your server, enable SSL:

• Go to Webmin > Webmin Configuration > SSL Encryption.
• Click Let's Encrypt and request an SSL certificate.

8: Configure Firewall

Ensure these ports are open:

sudo firewall-cmd --permanent --add-service=http
sudo firewall-cmd --permanent --add-service=https
sudo firewall-cmd --permanent --add-port=10000/tcp
sudo firewall-cmd --reload

Set Up Automatic Updates (Optional)

Enable automatic security updates:

AlmaLinux
sudo dnf install dnf-automatic -y
sudo systemctl enable --now dnf-automatic

Debian/Ubuntu

sudo apt install unattended-upgrades -y
sudo dpkg-reconfigure unattended-upgrades

Virtualmin is now installed and ready to manage your websites, email, databases, and more.