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How to Install Plesk on a Server (Complete Guide)

📌 Requirements

Before installing Plesk, ensure your server meets the following requirements:

• Supported Operating Systems:

  • AlmaLinux 8 / 9

  • Rocky Linux 8 / 9

  • Ubuntu 20.04 / 22.04

  • Debian 10 / 11

• Root SSH access

• Clean server (no other control panels installed)

• Minimum specifications:

  • 2 GB RAM (4 GB recommended)

  • 20 GB disk space

• Valid hostname (e.g. server.yourdomain.com)

• Fully qualified domain (FQDN)

⚙️ Step 1: Update the system

Connect via SSH as root and run:

For AlmaLinux / Rocky Linux:

dnf update -y

For Ubuntu / Debian:

apt update && apt upgrade -y

🌐 Step 2: Set the hostname

Set a valid hostname:

hostnamectl set-hostname server.yourdomain.com

Verify:

hostname

📥 Step 3: Download Plesk installer

Go to /root directory:

cd /root

Download the official installer:

curl -O https://autoinstall.plesk.com/plesk-installer

Make it executable:

chmod +x plesk-installer

🚀 Step 4: Run the installation

Run the installer:

./plesk-installer

You will see an interactive menu. Choose:

• Install Plesk

• Recommended version (latest stable)

• Default components (or customize if needed)

⚡ Alternative: One-line installation (recommended)

For a faster install:

sh <(curl https://autoinstall.plesk.com/one-click-installer)

⏳ Installation time: 15–30 minutes depending on server performance.

🔐 Step 5: Access Plesk Panel

Once installed, access via browser:

https://YOUR_SERVER_IP:8443

Login using:

• Username: root

• Password: your root password

🛠️ Step 6: Initial setup

Follow the setup wizard:

• Accept license agreement

• Set admin email and password

• Choose interface (Power User or Service Provider)

• Configure hosting settings

🔥 Important Notes

• Plesk requires a valid license

• Port 8443 must be open

• Avoid installing on servers with:

  • cPanel

  • DirectAdmin

  • Other control panels

• It is recommended to configure firewall rules after installation

✅ Verification

Check Plesk service status:

systemctl status psa

🎯 Conclusion

You now have Plesk installed and ready to manage websites, domains, email services, and server configurations through a modern interface.