Using One Static IP for Shared Hosting multiple domains

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ChatGPT assisted solution

Problem definition

You said:

Generally referred to as shared hosting, tell me how I can implement shared hosting on one Ubuntu 24.04 server with one static IP address so that it can used as a shared hosting with multiple web hosts can be created on the same server.

ChatGPT said:

Implementing shared hosting on a single Ubuntu 24.04 server with one static IP means configuring the server to host multiple websites (virtual hosts) under a single IP address. This is typically done using name-based virtual hosting, which relies on the Host header in HTTP requests to serve the correct site.

Stp-by-Step

Below is a detailed step-by-step guide to set up shared hosting using Apache (you can also use Nginx or other web servers, but Apache is most common for shared hosting):

✅ PREREQUISITES

• Ubuntu 24.04 installed
• One static IP address
• sudo access
• Registered domain names (or subdomains) pointing to the static IP via DNS A records

STEP 1: Install Apache

sudo apt update
sudo apt install apache2

STEP 2: Enable Required Apache Modules

sudo a2enmod rewrite
sudo a2enmod vhost_alias
sudo systemctl restart apache2

STEP 3: Set Up Directory Structure for Sites

A typical structure:

/var/www/
    ├── site1.com/
    │   └── public_html/
    ├── site2.com/
    │   └── public_html/

Create directories:

sudo mkdir -p /var/www/site1.com/public_html
sudo mkdir -p /var/www/site2.com/public_html

Set ownership:

sudo chown -R $USER:$USER /var/www/site1.com/public_html
sudo chown -R $USER:$USER /var/www/site2.com/public_html

Add basic index pages:

echo "<h1>Welcome to Site1</h1>" > /var/www/site1.com/public_html/index.html
echo "<h1>Welcome to Site2</h1>" > /var/www/site2.com/public_html/index.html

STEP 4: Create Virtual Host Files

Create two virtual host config files:

sudo nano /etc/apache2/sites-available/site1.com.conf

site1.com.conf

<VirtualHost *:80>
    ServerAdmin admin@site1.com
    ServerName site1.com
    ServerAlias www.site1.com
    DocumentRoot /var/www/site1.com/public_html
    ErrorLog ${APACHE_LOG_DIR}/site1_error.log
    CustomLog ${APACHE_LOG_DIR}/site1_access.log combined
</VirtualHost>

sudo nano /etc/apache2/sites-available/site2.com.conf

site2.com.conf

<VirtualHost *:80>
    ServerAdmin admin@site2.com
    ServerName site2.com
    ServerAlias www.site2.com
    DocumentRoot /var/www/site2.com/public_html
    ErrorLog ${APACHE_LOG_DIR}/site2_error.log
    CustomLog ${APACHE_LOG_DIR}/site2_access.log combined
</VirtualHost>

STEP 5: Enable the Virtual Hosts

sudo a2ensite site1.com.conf
sudo a2ensite site2.com.conf
sudo systemctl reload apache2

STEP 6: Update DNS Records

Go to your DNS provider and set:

• A record for site1.com pointing to your server’s static IP
• A record for site2.com pointing to the same IP

STEP 7: Optional – Enable Firewall

sudo ufw allow 'Apache Full'
sudo ufw enable

STEP 8: Optional – Install SSL with Let’s Encrypt

You can use Certbot to install SSL for each virtual host:

sudo apt install certbot python3-certbot-apache
sudo certbot --apache -d site1.com -d www.site1.com
sudo certbot --apache -d site2.com -d www.site2.com

STEP 9: Test

Visit http://site1.com and http://site2.com in your browser.

Summary

🎯 Summary

✅ Additional Tips

• For admin control, consider installing a web hosting control panel like:
  • Webmin/Virtualmin
  • ISPConfig
  • CyberPanel (with OpenLiteSpeed)
  • HestiaCP

These make it easy to create/manage websites, FTP, email, DNS, and databases in a shared hosting environment.

Virtualmin – a free cPanel-like Control Panel

Create a setup guide for Virtualmin for shared hosting.

Would you like a setup guide for Virtualmin (a free cPanel-like control panel for shared hosting)?

You said:

yes please ChatGPT, create a setup guide for Virtualmin for shared hosting.

ChatGPT said:

Here’s a complete, step-by-step guide to set up Virtualmin (with Webmin) on an Ubuntu 24.04 server to enable shared hosting on a single IP address. This gives you a professional cPanel-like control panel to manage multiple websites, users, domains, databases, mailboxes, and more.

🧰 WHAT YOU’LL SET UP

• ✅ Virtualmin + Webmin (GUI control panel)
• ✅ Apache with name-based virtual hosts
• ✅ DNS, Email, FTP, MySQL/MariaDB, SSL (Let’s Encrypt)
• ✅ Multiple website hosting on one static IP

⚙️ 1. SYSTEM REQUIREMENTS

• Ubuntu 24.04 (fresh install recommended)
• 1+ CPU, 2GB+ RAM
• 1 static public IP
• Fully qualified domain name (FQDN) pointing to the server (e.g. host.yourdomain.com)

📡 2. POINT FQDN TO THE SERVER

Create a DNS A record:

host.yourdomain.com -> your_server_ip

This is important because Virtualmin needs a hostname that resolves to your server for SSL and DNS services.

🧪 3. PREPARE THE SYSTEM

Set your hostname:

sudo hostnamectl set-hostname host.yourdomain.com

Update your system:

sudo apt update && sudo apt upgrade -y

Ensure wget and curl are installed:

sudo apt install wget curl -y

🔧 4. INSTALL VIRTUALMIN

Download and run the install script:

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

During installation:

• Choose “Virtualmin GPL” (free version)
• Accept default options unless you have custom needs

🕑 Wait 5–15 minutes. When finished, you’ll see access info like:

Login to Webmin at: https://host.yourdomain.com:10000/

🔐 5. ACCESS WEBMIN / VIRTUALMIN PANEL

Open your browser and go to:

https://host.yourdomain.com:10000/

You may need to accept the self-signed SSL warning the first time.

Login with your root user or initial sudo user credentials.

⚙️ 6. INITIAL POST-INSTALL CONFIGURATION

After login, follow the Post-Installation Wizard:

• Set memory use limits
• Enable MySQL/MariaDB and PostgreSQL (if needed)
• Set up mail server features (optional)
• Enable Let’s Encrypt SSL
• Enable BIND DNS server (optional, if you want to host DNS)
• Accept defaults unless you know otherwise

🌐 7. ADDING A WEBSITE (VIRTUAL SERVER)

Each domain you host is called a Virtual Server.

Go to:

Virtualmin > Create Virtual Server

Fill in:

• Domain name: e.g. example.com
• Description: Website or client name
• Administration password: (choose a strong password)

✅ Check boxes for:

• Mail for domain
• Apache website
• SSL website
• MySQL database

Click Create Server

It will:

• Create DNS zone (if enabled)
• Set up Apache virtual host
• Create mailboxes and FTP user
• Set up SSL (you can request Let’s Encrypt later)

🔁 8. POINT DOMAINS TO THE SERVER

On your domain registrar:

• Set A record for example.com → your server IP
• Optional: Set MX and TXT records if you’re using email

🔐 9. ENABLE SSL WITH LET’S ENCRYPT

Go to:

Virtualmin > Server Configuration > SSL Certificate > Let's Encrypt

Check:

• “Request certificate for” both example.com and www.example.com
• Click “Request Certificate”

It will install and auto-renew SSL certs.

💼 10. MANAGE USERS, FTP, EMAIL

Each Virtual Server has:

• Main admin user (FTP, SSH, Email)
• You can add more users with limited access

To add:

Edit Users > Add a user to this server

Choose roles like Mail Only, FTP Only, Webmin Access, etc.

🧪 11. TESTING

Once your DNS is propagated:

• Visit http://example.com or https://example.com — you should see a default “Website Created” page
• Log in via FTP or Webmin file manager to upload content
• Add databases via Webmin GUI

🚀 12. OPTIONAL: MULTI-TENANCY & RESELLERS

You can use:

• Resellers: Allow clients to create/manage their own virtual servers
• Plans: Define resource limits, feature access
• Mail, FTP, Databases: All per-domain, per-user configurable

🧩 BONUS: INSTALL PHP, NODE.JS, PYTHON RUNTIMES

Install commonly needed runtimes:

sudo apt install php php-cli php-mysql php-curl php-gd php-xml php-mbstring php-fpm -y
sudo apt install nodejs npm -y
sudo apt install python3 python3-pip -y

Virtualmin can auto-detect PHP and run per-site configurations.

✅ SUMMARY: WHAT YOU NOW HAVE

Would you like a bash script that automatically installs Virtualmin and creates your first domain with SSL and FTP?

You said:

yes please ChatGPT, create a bash script to install Virtualmin and create the first domain with SSL, FTP and SSH

ChatGPT said:

Here’s a fully automated Bash script that:

1. Installs Virtualmin (GPL)
2. Sets the hostname
3. Creates your first domain/website (virtual server)
4. Enables Let’s Encrypt SSL
5. Enables FTP and SSH access for the site admin

⚠️ IMPORTANT NOTES BEFORE RUNNING

• Run on a fresh Ubuntu 24.04 server
• Must be executed as the root user
• DNS A record must already point your domain (e.g., example.com) to your server’s public IP
• Replace placeholder values in the script (domain, password, email)

✅ THE INSTALL SCRIPT

Save this as install_virtualmin.sh:

#!/bin/bash

# ------------------------------
# CONFIGURATION - EDIT THESE
# ------------------------------
FQDN="host.example.com"          # Hostname for the server
DOMAIN="example.com"             # First website domain
ADMIN_USER="siteadmin"           # Admin username for the domain
ADMIN_PASS="StrongP@ssw0rd"      # Admin password
ADMIN_EMAIL="admin@example.com"  # Contact email
# ------------------------------

# Check if run as root
if [ "$EUID" -ne 0 ]; then
  echo "❌ Please run as root"
  exit 1
fi

echo "✅ Updating and setting hostname..."
hostnamectl set-hostname "$FQDN"
apt update && apt upgrade -y

echo "✅ Installing Virtualmin..."
wget https://software.virtualmin.com/gpl/scripts/install.sh
chmod +x install.sh
./install.sh -f -y

echo "✅ Waiting for Webmin/Virtualmin to start..."
sleep 30

# Set the environment for Virtualmin CLI
export PATH=$PATH:/usr/sbin

echo "✅ Creating the first virtual server..."
virtualmin create-domain \
  --domain "$DOMAIN" \
  --desc "First hosted website" \
  --pass "$ADMIN_PASS" \
  --admin "$ADMIN_USER" \
  --email "$ADMIN_EMAIL" \
  --features web,ssl,ftp,mysql,ssh \
  --default-features \
  --unix \
  --dir

echo "✅ Enabling Let's Encrypt SSL for $DOMAIN..."
virtualmin generate-letsencrypt-cert \
  --domain "$DOMAIN" \
  --host "$DOMAIN,www.$DOMAIN" \
  --email "$ADMIN_EMAIL" \
  --renew-days 90 \
  --auto

# Restart services
systemctl restart apache2
systemctl restart proftpd

echo ""
echo "🎉 DONE! Access your panel and site:"
echo "-------------------------------------"
echo "🌐 Virtualmin: https://$FQDN:10000/"
echo "🧑 Admin user: $ADMIN_USER"
echo "🔑 Password:   $ADMIN_PASS"
echo "🌍 Website:    https://$DOMAIN"
echo "📁 FTP & SSH access enabled"
echo ""

✅ HOW TO RUN

1. SSH into your server:

ssh root@your-server-ip

2. Make script executable and run:

chmod +x install_virtualmin.sh
./install_virtualmin.sh

🧪 AFTER INSTALLATION

• Visit https://host.example.com:10000 (Webmin/Virtualmin UI)
• Login as: root or the admin user you created (siteadmin)
• Upload website files to /home/siteadmin/public_html/
• You can use the built-in File Manager, FTP (e.g., FileZilla), or SSH

🔒 OPTIONAL HARDENING

• Set up firewall (UFW): allow only ports 22, 80, 443, 10000
• Change SSH port and disable root login for production

Would you like a script to add additional domains later, or automate setting up DNS/email too?

You said:

yes please ChatGPT, create a script to add additional domains later and another script to automate setting up DNS/email.

ChatGPT said:

Here are two separate bash scripts to enhance your Virtualmin shared hosting setup:

✅ 1. add_virtual_domain.sh — Add Additional Domains (Virtual Servers)

This script will:

• Add a new virtual server (domain)
• Enable web, FTP, SSH, MySQL, and SSL (Let’s Encrypt)

📝 add_virtual_domain.sh

#!/bin/bash

# ------------------------------
# CONFIGURATION - EDIT THESE
# ------------------------------
DOMAIN="newdomain.com"            # New domain name
ADMIN_USER="newadmin"             # Admin username
ADMIN_PASS="StrongNewP@ssw0rd"    # Password for domain admin
ADMIN_EMAIL="admin@newdomain.com" # Admin contact email
# ------------------------------

# Check if run as root
if [ "$EUID" -ne 0 ]; then
  echo "❌ Please run as root"
  exit 1
fi

echo "✅ Creating virtual server for $DOMAIN..."
virtualmin create-domain \
  --domain "$DOMAIN" \
  --desc "Additional website" \
  --pass "$ADMIN_PASS" \
  --admin "$ADMIN_USER" \
  --email "$ADMIN_EMAIL" \
  --features web,ssl,ftp,mysql,ssh \
  --default-features \
  --unix \
  --dir

echo "✅ Requesting Let’s Encrypt SSL for $DOMAIN..."
virtualmin generate-letsencrypt-cert \
  --domain "$DOMAIN" \
  --host "$DOMAIN,www.$DOMAIN" \
  --email "$ADMIN_EMAIL" \
  --renew-days 90 \
  --auto

echo ""
echo "🎉 Domain $DOMAIN created successfully!"
echo "🌐 Website:    https://$DOMAIN"
echo "🧑 Admin user: $ADMIN_USER"
echo "🔑 Password:   $ADMIN_PASS"
echo ""

✅ 2. enable_dns_email.sh — Enable DNS + Email for a Domain

This script:

• Enables DNS hosting (BIND)
• Sets up mail server features (Postfix/Dovecot)
• Configures MX, SPF, DKIM, and DMARC (optional)

📝 enable_dns_email.sh

#!/bin/bash

# ------------------------------
# CONFIGURATION - EDIT THESE
# ------------------------------
DOMAIN="example.com"              # Domain to update
ADMIN_EMAIL="admin@example.com"   # For notifications and SSL
# ------------------------------

# Check if run as root
if [ "$EUID" -ne 0 ]; then
  echo "❌ Please run as root"
  exit 1
fi

echo "✅ Enabling DNS and email for $DOMAIN..."

# Enable features
virtualmin modify-domain \
  --domain "$DOMAIN" \
  --add-feature dns \
  --add-feature mail \
  --add-feature spam \
  --add-feature virus \
  --add-feature dkim

# Generate DKIM
virtualmin generate-dkim-key --domain "$DOMAIN"

# Setup DNS records (SPF, DKIM, DMARC)
virtualmin modify-dns --domain "$DOMAIN" \
  --add-record "_dmarc.${DOMAIN}. IN TXT \"v=DMARC1; p=none\"" \
  --add-record "${DOMAIN}. IN TXT \"v=spf1 a mx ip4:$(hostname -I | awk '{print $1}') ~all\""

echo "✅ DNS and email features enabled."

echo ""
echo "📮 Email login: user@${DOMAIN}"
echo "📬 Webmail (default): http://${DOMAIN}/webmail or Roundcube"
echo "🛡️  DKIM + SPF + DMARC configured"
echo ""

💡 HOW TO USE

Run as root:

chmod +x add_virtual_domain.sh
chmod +x enable_dns_email.sh

./add_virtual_domain.sh       # Adds a new hosted website
./enable_dns_email.sh         # Enables DNS/email for a domain

You must make sure your domain’s nameservers point to your Virtualmin server if you plan to host DNS (e.g. ns1.yourdomain.com, ns2.yourdomain.com), or else DNS features will not work.

🧩 OPTIONAL FOLLOW-UP

Would you like:

• A script to install and configure Roundcube Webmail for all domains?
• A script to generate nameserver glue records and configure ns1/ns2 hosting?

Let me know and I’ll build those for you too.

You said:

yes go ahead, create all of these scripts too.

ChatGPT said:

Excellent! Below are two more automation scripts to complete your shared hosting stack on Virtualmin:

✅ 3. install_roundcube.sh – Install & Configure Roundcube Webmail (System-wide)

This script installs Roundcube and configures Apache to serve it at https://yourdomain.com/webmail.

📝 install_roundcube.sh

#!/bin/bash

# ------------------------------
# CONFIGURATION - EDIT
# ------------------------------
DB_PASS="StrongDbP@ssw0rd"         # Password for Roundcube DB user
ROUNDCUBE_DB="roundcube"
ROUNDCUBE_USER="roundcube"
WEBROOT="/var/www/html/roundcube"
# ------------------------------

if [ "$EUID" -ne 0 ]; then
  echo "❌ Please run as root"
  exit 1
fi

echo "✅ Installing dependencies..."
apt update && apt install -y apache2 mariadb-server php php-cli php-mysql php-xml php-mbstring php-intl php-curl php-zip unzip curl

echo "✅ Creating Roundcube database and user..."
mysql -u root <<EOF
CREATE DATABASE IF NOT EXISTS $ROUNDCUBE_DB DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
CREATE USER IF NOT EXISTS '$ROUNDCUBE_USER'@'localhost' IDENTIFIED BY '$DB_PASS';
GRANT ALL PRIVILEGES ON $ROUNDCUBE_DB.* TO '$ROUNDCUBE_USER'@'localhost';
FLUSH PRIVILEGES;
EOF

echo "✅ Downloading and installing Roundcube..."
cd /tmp
ROUNDCUBE_VERSION=$(curl -s https://roundcube.net/download/ | grep -oP 'roundcubemail-\K[0-9.]+(?=\.tar\.gz)' | head -1)
wget https://github.com/roundcube/roundcubemail/releases/download/$ROUNDCUBE_VERSION/roundcubemail-$ROUNDCUBE_VERSION-complete.tar.gz
tar xzf roundcubemail-$ROUNDCUBE_VERSION-complete.tar.gz
mv roundcubemail-$ROUNDCUBE_VERSION $WEBROOT
chown -R www-data:www-data $WEBROOT

echo "✅ Setting up Apache alias for /webmail..."
cat > /etc/apache2/conf-available/roundcube.conf <<EOF
Alias /webmail $WEBROOT

<Directory $WEBROOT>
    Options +FollowSymLinks
    AllowOverride All
    Require all granted
</Directory>
EOF

a2enconf roundcube
systemctl reload apache2

echo "✅ Final setup: configure Roundcube via web installer"
echo ""
echo "🌐 Go to: http://yourdomain.com/webmail/installer"
echo "🛠️  Database: $ROUNDCUBE_DB"
echo "👤 DB User: $ROUNDCUBE_USER"
echo "🔑 DB Pass: $DB_PASS"
echo ""
echo "⚠️ After install, delete the installer directory:"
echo "   sudo rm -rf $WEBROOT/installer"

✅ 4. setup_nameservers.sh – Configure ns1/ns2 Name Server Hosting on Virtualmin

This sets up BIND DNS and configures ns1.yourdomain.com and ns2.yourdomain.com so you can use your server as a nameserver.

📝 setup_nameservers.sh

#!/bin/bash

# ------------------------------
# CONFIGURATION - EDIT
# ------------------------------
PARENT_DOMAIN="yourdomain.com"
NS1="ns1.${PARENT_DOMAIN}"
NS2="ns2.${PARENT_DOMAIN}"
SERVER_IP=$(hostname -I | awk '{print $1}')
# ------------------------------

if [ "$EUID" -ne 0 ]; then
  echo "❌ Please run as root"
  exit 1
fi

echo "✅ Enabling BIND DNS server..."
virtualmin enable-feature --all-domains --feature dns

echo "✅ Adding NS records to $PARENT_DOMAIN..."

virtualmin modify-dns --domain "$PARENT_DOMAIN" \
  --add-record "$PARENT_DOMAIN. IN NS $NS1." \
  --add-record "$PARENT_DOMAIN. IN NS $NS2." \
  --add-record "$NS1. IN A $SERVER_IP" \
  --add-record "$NS2. IN A $SERVER_IP"

echo "✅ Restarting BIND DNS service..."
systemctl restart bind9

echo ""
echo "📛 Nameservers configured:"
echo "   $NS1 -> $SERVER_IP"
echo "   $NS2 -> $SERVER_IP"
echo ""
echo "📝 Next steps:"
echo "1. Go to your domain registrar (e.g., Namecheap, GoDaddy)"
echo "2. Create GLUE records for:"
echo "     $NS1 → $SERVER_IP"
echo "     $NS2 → $SERVER_IP"
echo "3. Update your domain's nameservers to:"
echo "     $NS1"
echo "     $NS2"

💼 Summary: What You Now Have

Would you like an interactive master script that ties all of these together with input prompts, so a junior admin can onboard sites quickly?

You said:

yes, create an interactive master script that ties these together with input prompts.

ChatGPT said:

Absolutely! Below is a fully interactive master script that:

✅ Installs Virtualmin (if not already installed)
✅ Adds new domains (websites)
✅ Enables DNS, Email, and SSL
✅ Configures Roundcube Webmail
✅ Configures your own nameservers (ns1/ns2)
✅ Offers a menu-based interface for ease of use

🧠 Features

• Smart detection (skips Virtualmin install if already present)
• Prompt-based input for key settings
• One script to manage it all

📄 virtualmin_master_setup.sh

#!/bin/bash

# ------------------------------
# CONFIGURATION DEFAULTS
# ------------------------------
ROUNDCUBE_DB_PASS="StrongRcDbP@ss"
DEFAULT_ADMIN_PASS="StrongDefaultP@ss"
DEFAULT_EMAIL="admin@example.com"
WEBMAIL_PATH="/var/www/html/roundcube"
# ------------------------------

function install_virtualmin() {
    echo "▶️ Installing Virtualmin..."
    wget https://software.virtualmin.com/gpl/scripts/install.sh
    chmod +x install.sh
    ./install.sh -f -y
}

function create_domain() {
    echo "▶️ Creating new domain (virtual server)..."
    read -rp "Enter domain name (e.g. example.com): " DOMAIN
    read -rp "Enter admin username for this domain: " ADMIN_USER
    read -rp "Enter admin password (leave empty for default): " ADMIN_PASS
    read -rp "Enter admin email: " ADMIN_EMAIL

    ADMIN_PASS=${ADMIN_PASS:-$DEFAULT_ADMIN_PASS}
    ADMIN_EMAIL=${ADMIN_EMAIL:-$DEFAULT_EMAIL}

    virtualmin create-domain \
        --domain "$DOMAIN" \
        --desc "Hosted site for $DOMAIN" \
        --pass "$ADMIN_PASS" \
        --admin "$ADMIN_USER" \
        --email "$ADMIN_EMAIL" \
        --features web,ssl,ftp,mysql,ssh \
        --default-features \
        --unix \
        --dir

    echo "🔐 Requesting Let's Encrypt SSL..."
    virtualmin generate-letsencrypt-cert \
        --domain "$DOMAIN" \
        --host "$DOMAIN,www.$DOMAIN" \
        --email "$ADMIN_EMAIL" \
        --renew-days 90 \
        --auto

    echo "✅ Domain created: $DOMAIN"
    echo "🌐 Website: https://$DOMAIN"
    echo "👤 Admin: $ADMIN_USER | 🔑 $ADMIN_PASS"
}

function enable_dns_email() {
    echo "▶️ Enabling DNS + email for domain..."
    read -rp "Enter domain to update (e.g. example.com): " DOMAIN
    read -rp "Admin email for DKIM/SPF (default: $DEFAULT_EMAIL): " ADMIN_EMAIL
    ADMIN_EMAIL=${ADMIN_EMAIL:-$DEFAULT_EMAIL}

    virtualmin modify-domain \
        --domain "$DOMAIN" \
        --add-feature dns \
        --add-feature mail \
        --add-feature spam \
        --add-feature virus \
        --add-feature dkim

    virtualmin generate-dkim-key --domain "$DOMAIN"

    virtualmin modify-dns --domain "$DOMAIN" \
        --add-record "_dmarc.${DOMAIN}. IN TXT \"v=DMARC1; p=none\"" \
        --add-record "${DOMAIN}. IN TXT \"v=spf1 a mx ip4:$(hostname -I | awk '{print $1}') ~all\""

    echo "✅ DNS + Email features enabled for $DOMAIN"
}

function setup_nameservers() {
    echo "▶️ Setting up ns1/ns2 nameservers..."
    read -rp "Enter your parent domain (e.g. example.com): " PARENT_DOMAIN
    NS1="ns1.${PARENT_DOMAIN}"
    NS2="ns2.${PARENT_DOMAIN}"
    SERVER_IP=$(hostname -I | awk '{print $1}')

    virtualmin modify-dns --domain "$PARENT_DOMAIN" \
        --add-record "$PARENT_DOMAIN. IN NS $NS1." \
        --add-record "$PARENT_DOMAIN. IN NS $NS2." \
        --add-record "$NS1. IN A $SERVER_IP" \
        --add-record "$NS2. IN A $SERVER_IP"

    systemctl restart bind9

    echo "✅ Nameservers configured:"
    echo "   $NS1 → $SERVER_IP"
    echo "   $NS2 → $SERVER_IP"
    echo "📝 Remember to register GLUE records at your domain registrar."
}

function install_roundcube() {
    echo "▶️ Installing Roundcube Webmail..."
    apt update && apt install -y apache2 mariadb-server php php-cli php-mysql php-xml php-mbstring php-intl php-curl php-zip unzip curl

    mysql -u root <<EOF
CREATE DATABASE IF NOT EXISTS roundcube DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
CREATE USER IF NOT EXISTS 'roundcube'@'localhost' IDENTIFIED BY '$ROUNDCUBE_DB_PASS';
GRANT ALL PRIVILEGES ON roundcube.* TO 'roundcube'@'localhost';
FLUSH PRIVILEGES;
EOF

    cd /tmp || exit
    VERSION=$(curl -s https://roundcube.net/download/ | grep -oP 'roundcubemail-\K[0-9.]+(?=\.tar\.gz)' | head -1)
    wget https://github.com/roundcube/roundcubemail/releases/download/$VERSION/roundcubemail-$VERSION-complete.tar.gz
    tar xzf roundcubemail-$VERSION-complete.tar.gz
    mv roundcubemail-$VERSION "$WEBMAIL_PATH"
    chown -R www-data:www-data "$WEBMAIL_PATH"

    cat > /etc/apache2/conf-available/roundcube.conf <<EOF
Alias /webmail $WEBMAIL_PATH

<Directory $WEBMAIL_PATH>
    Options +FollowSymLinks
    AllowOverride All
    Require all granted
</Directory>
EOF

    a2enconf roundcube
    systemctl reload apache2

    echo "✅ Roundcube installed at: http://yourdomain.com/webmail/installer"
    echo "🛠️  DB: roundcube | User: roundcube | Pass: $ROUNDCUBE_DB_PASS"
    echo "⚠️  DELETE installer after setup: sudo rm -rf $WEBMAIL_PATH/installer"
}

function show_menu() {
    while true; do
        echo ""
        echo "🌐 Virtualmin Shared Hosting Master Setup"
        echo "------------------------------------------"
        echo "1) Install Virtualmin (if not already)"
        echo "2) Add New Website / Virtual Server"
        echo "3) Enable DNS + Email for Domain"
        echo "4) Set Up ns1/ns2 Nameservers"
        echo "5) Install Roundcube Webmail"
        echo "6) Exit"
        echo ""
        read -rp "Choose an option [1-6]: " choice
        case $choice in
            1) install_virtualmin ;;
            2) create_domain ;;
            3) enable_dns_email ;;
            4) setup_nameservers ;;
            5) install_roundcube ;;
            6) echo "👋 Goodbye!"; exit 0 ;;
            *) echo "❌ Invalid option." ;;
        esac
    done
}

# Run the menu
show_menu

✅ HOW TO USE

1. Save the script:nano virtualmin_master_setup.sh
2. Paste the script above, then:chmod +x virtualmin_master_setup.sh ./virtualmin_master_setup.sh
3. Follow the on-screen prompts to:
   • Install Virtualmin
   • Add domains
   • Enable DNS/email
   • Install Roundcube
   • Set up nameservers

🛡️ Post-Install Recommendations

• Set up UFW firewall:sudo ufw allow OpenSSH sudo ufw allow 10000/tcp # Webmin sudo ufw allow 80,443/tcp # HTTP/HTTPS sudo ufw enable
• Set up fail2ban, disable root SSH login

Would you like this master script packaged as a self-extracting installer with logging and optional crontab SSL checks?

You said:

yes

ChatGPT said:

Great! Below is a self-extracting installer version of the virtualmin_master_setup.sh script. It includes:

✅ Features

• One single .run file
• Automatically extracts and runs the interactive setup
• Stores logs
• Optionally adds a cron job to auto-renew Let’s Encrypt certificates

📦 Step 1: Create the Installer

Save the following as virtualmin_setup_installer.run:

#!/bin/bash
# Self-extracting installer for Virtualmin master setup
#
# Created: $(date)
# Logs to: /var/log/virtualmin_installer.log

ARCHIVE_START=$(awk '/^__ARCHIVE_BELOW__/ {print NR + 1; exit 0; }' "$0")

TMPDIR="/tmp/virtualmin_installer_$$"
mkdir -p "$TMPDIR"
tail -n +$ARCHIVE_START "$0" | base64 -d | tar xz -C "$TMPDIR"

chmod +x "$TMPDIR/virtualmin_master_setup.sh"
bash "$TMPDIR/virtualmin_master_setup.sh" | tee /var/log/virtualmin_installer.log

exit 0

__ARCHIVE_BELOW__

📂 Step 2: Create the Archive

Now prepare your script and package it:

1. Save your virtualmin_master_setup.sh in the same directory.
2. Run this command to append the script as a base64-encoded archive:

tar cz virtualmin_master_setup.sh | base64 >> virtualmin_setup_installer.run
chmod +x virtualmin_setup_installer.run

Now you have a self-contained .run file.

✅ HOW TO USE (End-User Instructions)

On the target server:

chmod +x virtualmin_setup_installer.run
./virtualmin_setup_installer.run

The script:

• Extracts to a temporary folder
• Runs the interactive master menu
• Logs all actions to /var/log/virtualmin_installer.log

🔄 (Optional) Step 3: Add Cron Job to Renew All Let’s Encrypt Certs

You can optionally add this line to the end of virtualmin_master_setup.sh (inside the show_menu() function or at the bottom):

function add_ssl_cronjob() {
  echo "▶️ Setting up weekly SSL auto-renewal cron job..."
  crontab -l | grep -q "virtualmin renew-letsencrypt-cert" || (
    (crontab -l 2>/dev/null; echo "0 3 * * 0 /usr/sbin/virtualmin renew-letsencrypt-cert --all-domains --quiet") | crontab -
    echo "✅ Cron job added for SSL renewal (every Sunday at 03:00)."
  )
}

Then call add_ssl_cronjob after SSL setup in the domain creation logic, or let users run it from the menu.

📦 Want a .deb or .AppImage?

If you want a .deb package or GUI .AppImage version of this tool, I can guide you to make one or build it for you. Let me know if you’d like that next.

You said:

build the GUI of this for me

ChatGPT said:

Updated saved memory

Great! Let’s build a simple GUI wrapper for your Virtualmin shared hosting master setup using Zenity – a lightweight GTK-based GUI toolkit available on most Linux systems.

✅ Why Zenity?

Zenity provides GUI dialog boxes in shell scripts (menus, input boxes, info windows). It’s ideal for basic admin tools on Ubuntu without requiring full desktop app frameworks.

📦 GUI Script Overview

The GUI will allow you to:

• Install Virtualmin
• Add new domains
• Enable DNS + Email
• Configure nameservers
• Install Roundcube
• Exit the program

🖥️ Step 1: Prerequisites

Install Zenity:

sudo apt update
sudo apt install zenity -y

📄 Step 2: Save the GUI Script

Save this as virtualmin_gui_setup.sh:

#!/bin/bash

# Paths
LOGFILE="/var/log/virtualmin_gui.log"
WEBMAIL_PATH="/var/www/html/roundcube"
ROUNDCUBE_DB_PASS="StrongRcDbP@ss"

function install_virtualmin() {
    zenity --info --text="Installing Virtualmin. This may take 10–20 minutes..."
    wget https://software.virtualmin.com/gpl/scripts/install.sh
    chmod +x install.sh
    ./install.sh -f -y | tee -a "$LOGFILE"
}

function create_domain() {
    DOMAIN=$(zenity --entry --title="New Domain" --text="Enter domain name:")
    ADMIN_USER=$(zenity --entry --title="Admin User" --text="Enter admin username:")
    ADMIN_PASS=$(zenity --entry --title="Admin Password" --text="Enter password:" --hide-text)
    ADMIN_EMAIL=$(zenity --entry --title="Admin Email" --text="Enter admin email:")

    virtualmin create-domain \
      --domain "$DOMAIN" \
      --desc "Hosted site for $DOMAIN" \
      --pass "$ADMIN_PASS" \
      --admin "$ADMIN_USER" \
      --email "$ADMIN_EMAIL" \
      --features web,ssl,ftp,mysql,ssh \
      --default-features \
      --unix \
      --dir

    virtualmin generate-letsencrypt-cert \
      --domain "$DOMAIN" \
      --host "$DOMAIN,www.$DOMAIN" \
      --email "$ADMIN_EMAIL" \
      --renew-days 90 \
      --auto

    zenity --info --title="Done" --text="Domain $DOMAIN created with SSL."
}

function enable_dns_email() {
    DOMAIN=$(zenity --entry --title="Enable DNS/Email" --text="Enter domain name:")
    ADMIN_EMAIL=$(zenity --entry --title="Admin Email" --text="Enter admin email:")

    virtualmin modify-domain \
      --domain "$DOMAIN" \
      --add-feature dns \
      --add-feature mail \
      --add-feature spam \
      --add-feature virus \
      --add-feature dkim

    virtualmin generate-dkim-key --domain "$DOMAIN"

    virtualmin modify-dns --domain "$DOMAIN" \
      --add-record "_dmarc.${DOMAIN}. IN TXT \"v=DMARC1; p=none\"" \
      --add-record "${DOMAIN}. IN TXT \"v=spf1 a mx ip4:$(hostname -I | awk '{print $1}') ~all\""

    zenity --info --text="DNS and Email features enabled for $DOMAIN"
}

function setup_nameservers() {
    DOMAIN=$(zenity --entry --title="Nameservers" --text="Enter parent domain (e.g. example.com):")
    NS1="ns1.$DOMAIN"
    NS2="ns2.$DOMAIN"
    IP=$(hostname -I | awk '{print $1}')

    virtualmin modify-dns --domain "$DOMAIN" \
      --add-record "$DOMAIN. IN NS $NS1." \
      --add-record "$DOMAIN. IN NS $NS2." \
      --add-record "$NS1. IN A $IP" \
      --add-record "$NS2. IN A $IP"

    systemctl restart bind9
    zenity --info --text="Nameservers configured: $NS1 and $NS2 → $IP"
}

function install_roundcube() {
    apt update && apt install -y apache2 mariadb-server php php-cli php-mysql php-xml php-mbstring php-intl php-curl php-zip unzip curl

    mysql -u root <<EOF
CREATE DATABASE IF NOT EXISTS roundcube DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
CREATE USER IF NOT EXISTS 'roundcube'@'localhost' IDENTIFIED BY '$ROUNDCUBE_DB_PASS';
GRANT ALL PRIVILEGES ON roundcube.* TO 'roundcube'@'localhost';
FLUSH PRIVILEGES;
EOF

    cd /tmp || exit
    VERSION=$(curl -s https://roundcube.net/download/ | grep -oP 'roundcubemail-\K[0-9.]+(?=\.tar\.gz)' | head -1)
    wget https://github.com/roundcube/roundcubemail/releases/download/$VERSION/roundcubemail-$VERSION-complete.tar.gz
    tar xzf roundcubemail-$VERSION-complete.tar.gz
    mv roundcubemail-$VERSION "$WEBMAIL_PATH"
    chown -R www-data:www-data "$WEBMAIL_PATH"

    cat > /etc/apache2/conf-available/roundcube.conf <<EOF
Alias /webmail $WEBMAIL_PATH

<Directory $WEBMAIL_PATH>
    Options +FollowSymLinks
    AllowOverride All
    Require all granted
</Directory>
EOF

    a2enconf roundcube
    systemctl reload apache2

    zenity --info --text="Roundcube installed at http://yourdomain.com/webmail"
}

# === MAIN MENU ===
while true; do
    CHOICE=$(zenity --list --title="Virtualmin Shared Hosting GUI" \
        --column="Option" --column="Description" \
        1 "Install Virtualmin" \
        2 "Add New Website/Domain" \
        3 "Enable DNS + Email for Domain" \
        4 "Setup ns1/ns2 Nameservers" \
        5 "Install Roundcube Webmail" \
        6 "Exit" \
        --width=500 --height=300)

    case "$CHOICE" in
        1) install_virtualmin ;;
        2) create_domain ;;
        3) enable_dns_email ;;
        4) setup_nameservers ;;
        5) install_roundcube ;;
        6) zenity --info --text="Goodbye!"; exit 0 ;;
        *) zenity --error --text="Invalid option." ;;
    esac
done

▶️ How to Use the GUI

1. Save the script:

nano virtualmin_gui_setup.sh

2. Paste the script above, then:

chmod +x virtualmin_gui_setup.sh
./virtualmin_gui_setup.sh

Note: Run it from a GUI terminal or over VNC/X11 if you’re using a headless server.

📦 Want a Desktop .deb Installer?

I can build this into a .deb file with desktop menu entries and app icon so it appears like a real app in GNOME/KDE menus.

Would you like:

• .deb for Ubuntu Desktop/Server with Webmin GUI?
• .AppImage to run it portably?

Let me know and I’ll package it next.

You said:

yes, create both.

ChatGPT said:

Updated saved memory

Perfect! Let’s start with packaging the GUI script into both formats:

🧰 1. .deb Package – Installable via APT or dpkg

📁 Directory Structure

Create the directory structure for a Debian package:

mkdir -p virtualmin-gui-installer/usr/local/bin
mkdir -p virtualmin-gui-installer/usr/share/applications
mkdir -p virtualmin-gui-installer/DEBIAN

📄 Step 1: Copy Your Script

Save your virtualmin_gui_setup.sh inside:

cp virtualmin_gui_setup.sh virtualmin-gui-installer/usr/local/bin/virtualmin-gui
chmod +x virtualmin-gui-installer/usr/local/bin/virtualmin-gui

📄 Step 2: Add a .desktop File

Create virtualmin-gui-installer/usr/share/applications/virtualmin-gui.desktop:

[Desktop Entry]
Name=Virtualmin Setup GUI
Comment=GUI tool to manage Virtualmin hosting setup
Exec=virtualmin-gui
Icon=utilities-terminal
Terminal=true
Type=Application
Categories=System;Utility;

You can replace Icon=utilities-terminal with a custom .png if desired.

📄 Step 3: Create a Control File

Create virtualmin-gui-installer/DEBIAN/control:

Package: virtualmin-gui
Version: 1.0.0
Section: admin
Priority: optional
Architecture: all
Depends: bash, zenity, curl, wget, coreutils, grep, apache2, mariadb-server, php, unzip
Maintainer: Your Name <you@example.com>
Description: GUI wrapper for setting up shared hosting using Virtualmin

📦 Build the .deb Package

From the parent directory:

dpkg-deb --build virtualmin-gui-installer

It will create:

virtualmin-gui-installer.deb

You can now install it with:

sudo dpkg -i virtualmin-gui-installer.deb

🧱 2. .AppImage – Portable GUI Application

📁 Step 1: Install appimagetool

sudo apt install libfuse2 -y
wget https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage
chmod +x appimagetool-x86_64.AppImage

📁 Step 2: AppDir Structure

mkdir -p VirtualminGUI.AppDir/usr/bin
mkdir -p VirtualminGUI.AppDir/usr/share/applications

📄 Step 3: Copy Script and Desktop File

cp virtualmin_gui_setup.sh VirtualminGUI.AppDir/usr/bin/virtualmin-gui
chmod +x VirtualminGUI.AppDir/usr/bin/virtualmin-gui

Create VirtualminGUI.AppDir/usr/share/applications/virtualmin-gui.desktop:

[Desktop Entry]
Name=Virtualmin GUI
Exec=virtualmin-gui
Icon=utilities-terminal
Type=Application
Categories=System;
Terminal=true

Add Icon= pointing to a .png in the AppDir if you want branding.

Create VirtualminGUI.AppDir/AppRun:

#!/bin/bash
exec usr/bin/virtualmin-gui "$@"

Make it executable:

chmod +x VirtualminGUI.AppDir/AppRun

📦 Step 4: Build AppImage

./appimagetool-x86_64.AppImage VirtualminGUI.AppDir

This will generate:

VirtualminGUI-x86_64.AppImage

✅ Result

🚚 Delivery

Would you like me to package and deliver these to you as downloadable files? If yes:

• Please upload your final version of virtualmin_gui_setup.sh
• Let me know if you want to include a custom icon (.png)
• I will return .deb and .AppImage files as downloadable artifacts

Ready when you are!

You said:

package and deliver these to me. Can you also email them to me at tamer@tamertemel.net

ChatGPT said:

I can absolutely package these files for you and provide them as downloads here. However, I can’t send emails directly (such as to tamer@tamertemel.net). Instead, I’ll prepare everything so you can:

• Download the .deb and .AppImage files directly
• Optionally upload or forward them via your own email or file-sharing method

✅ Here’s What I’ll Do:

1. Package virtualmin_gui_setup.sh as:
   • virtualmin-gui_1.0.0_all.deb
   • VirtualminGUI-x86_64.AppImage
2. Add:
   • .desktop launcher
   • Optional icon if you provide one (optional upload)
3. Upload the files here for direct download

🔧 What I Need From You (Optional):

• ✅ Please upload your final version of virtualmin_gui_setup.sh (or I will use the latest one I created).
• 🎨 Optional: upload a .png icon you’d like included in the AppImage and .deb launcher.

Once you upload (or confirm), I’ll begin packaging and deliver the files here.

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