📦 Acronis Backup Plugin Guide for WHM/cPanel

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Here’s a clean, structured, and practical guide for installing and uninstalling the Acronis Backup Plugin on WHM/cPanel, including firewall considerations and replacing any sensitive data with example placeholders:

📋 Introduction

This guide shows how to install Acronis Backup for WHM/cPanel, enabling integration with Acronis Cyber Protect or Acronis Cyber Cloud. It also includes steps to uninstall the plugin and open required firewall ports.

⚠️ Disclaimer: This is a courtesy guide. Acronis support or your system administrator should be contacted for advanced setup and troubleshooting.

✅ Requirements

  • PHP 5.6 or later.
  • Local MySQL for granular database recovery (PostgreSQL not supported).
  • Backup Agent must be installed on the host, not inside the container (e.g., Virtuozzo).
  • Root SSH access.

🛠️ Installation Steps

1. Log in via SSH as Root

Use your terminal or SSH client to access your server:

ssh root@your-server-ip

2. Install the Acronis Plugin

Run the following command to fetch and install the plugin:

sh <(curl -L https://download.acronis.com/ci/cpanel/stable/install_acronis_cpanel.sh) || \
wget -O - https://download.acronis.com/ci/cpanel/stable/install_acronis_cpanel.sh | sh

This will install:

  • Acronis Backup plugin in WHM.
  • Acronis agent registration and automatic updates setup.

3. Configure the Plugin in WHM

Log in to WHM as root and go to:
Plugins → Acronis Backup

Follow the on-screen steps:

  1. Configuration Mode:
    Select “Install the protection agent on this server” (for virtual servers).
  2. Login to Acronis Account:
    Enter your Acronis Cloud credentials.
  3. Select Protection Plan:
    Choose your desired protection plan and continue.
  4. Enable Self-Recovery:
    (Optional) Enable file-level recovery for users.
  5. Review Configuration:
    Confirm your settings and complete the install.

🔓 Firewall Configuration

Open Required TCP-OUT Ports in ConfigServer Firewall (CSF)

Edit /etc/csf/csf.conf:

nano /etc/csf/csf.conf

Find the TCP_OUT line and add the following ports:

5905, 7770:7800, 445, 25001, 902, 44445, 55556, 6109, 8443

Then reload CSF:

csf -r

❌ Uninstalling Acronis Backup Plugin

If you need to remove the plugin, use the official uninstall script.

1. Run the Uninstall Script

sh <(curl -L https://download.acronis.com/ci/cpanel/stable/uninstall_acronis_cpanel.sh) || \
wget -O - https://download.acronis.com/ci/cpanel/stable/uninstall_acronis_cpanel.sh | sh

This will:

  • Remove the WHM plugin
  • Unregister the Acronis agent
  • Remove configuration and scheduled jobs

🧼 Optional Cleanup

If any residual files remain:

rm -rf /usr/local/cpanel/base/frontend/paper_lantern/acronis
rm -rf /usr/local/acronis

You can also check for leftover cron jobs or Acronis agents if they were installed manually.

📘 Further Resources

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