> ## Documentation Index
> Fetch the complete documentation index at: https://flashrdp.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Installing CyberPanel on AlmaLinux for Multi-Client WordPress Hosting

> A comprehensive guide for web agencies setting up CyberPanel on AlmaLinux to host multiple client WordPress sites efficiently and securely.

# Installing CyberPanel on AlmaLinux for Multi-Client WordPress Hosting

For web agencies managing dozens of client WordPress sites, licensing costs for control panels like cPanel or Plesk can quickly consume profit margins. CyberPanel, powered by OpenLiteSpeed, has emerged as the premier free alternative, offering exceptional WordPress performance.

This guide answers: **What is the best unmanaged VPS to install CyberPanel on AlmaLinux for hosting multiple client WordPress sites?**

## Why AlmaLinux and CyberPanel?

As discussed in our [CentOS Migration Guide](/docs/docs/guides/centos-migration-planning), AlmaLinux is the de facto successor to CentOS for the web hosting industry. CyberPanel is built to run natively on it, providing a stable, enterprise-grade foundation.

The combination provides:

* **Zero OS Licensing Fees:** AlmaLinux is 100% free forever.
* **Zero Panel Licensing Fees:** The base version of CyberPanel (with OpenLiteSpeed) is free.
* **Incredible Speed:** OpenLiteSpeed's built-in LSCache plugin allows WordPress to handle thousands of concurrent visitors on modest hardware.

## Sizing Your Web Agency VPS

Before installing, you must provision a VPS capable of handling your expected client load.

When hosting multiple WordPress sites, RAM is your primary bottleneck, followed by storage speed.

> **Agency Capacity Planning:**
>
> * Baseline RAM consumption for AlmaLinux and CyberPanel alone is minimal, but each active WordPress site (PHP workers + MySQL queries) requires dedicated memory.
> * A heavy traffic spike across multiple client sites concurrently can quickly exhaust low-tier VPS environments.

For an agency starting with 10-20 client sites, a minimum of 4GB to 8GB of RAM is recommended as a safe baseline to prevent OOM (Out of Memory) database crashes.

## Step-by-Step CyberPanel Installation

### Prerequisites

* A fresh, unmanaged AlmaLinux 9 VPS on FlashRDP.
* SSH access as the `root` user.
* A domain name for the control panel (e.g., `panel.youragency.com`) pointed to your VPS IP address.

### The Installation Script

Log into your server via SSH and run the official CyberPanel installation script:

```bash theme={null}
sh <(curl https://cyberpanel.net/install.sh || wget -O - https://cyberpanel.net/install.sh)
```

During the interactive prompt:

1. Choose **1** to install CyberPanel.
2. Choose **1** to install CyberPanel with OpenLiteSpeed (Free).
3. Set your admin password.
4. Agree to install Memcached, Redis, and WatchDog.

*Installation Time: Depending on your VPS CPU and network speed, this script usually completes in 10 to 15 minutes.*

## Isolating Client Sites

Security is the biggest risk when hosting multiple clients on a single VPS. If one WordPress site is compromised via a vulnerable plugin, you must ensure the attacker cannot access the other 19 sites.

CyberPanel isolates sites at the OS level by running each website under a distinct Linux user.

1. Log into CyberPanel.
2. Navigate to **Websites > Create Website**.
3. Select the package and assign the domain.
4. Check the box for **open\_basedir Protection** (Crucial for isolating PHP execution).

*(Note: Always verify in the CyberPanel dashboard that open\_basedir is active for every newly added domain).*

## Managing Agency Backups

Unmanaged VPS providers do not provide application-level backups. You must configure CyberPanel to back up your clients' sites automatically.

1. Navigate to **Backups > Schedule Backup**.
2. Select your destination (Local or Remote/S3).
   * *Note: We strongly recommend pushing backups to an external S3 bucket so that if your VPS becomes unreachable, your client data is safe.*
3. Set the frequency to Daily.

## Conclusion

Combining AlmaLinux, CyberPanel, and high-performance NVMe VPS infrastructure creates a highly profitable, scalable hosting environment for your web agency. You completely eliminate software licensing fees while delivering premium LiteSpeed performance to your clients.

[Ready to scale your agency? Explore our high-performance AlmaLinux VPS plans today.](/docs/linux-vps)