Software Alternatives & Startups

Unraid VS CloudLinux

Compare Unraid VS CloudLinux and see what are their differences

Unraid

Simplicity. Flexibility. Scalability. Modularity. Unraid empowers you to build the system you’ve always wanted using your preferred hardware, software, and operating systems.

Rating
0 reviews
CloudLinux

Making Linux secure, stable, and profitable for thousands of hosting providers and data centers worldwide.

Rating
0 reviews
Pricing
Open source
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Unraid seems to be more popular. It has been mentioned 13 times since March 2021.

social mentions
13 vs 0
Cloud Computing popularity
100% vs 0%

Base details

Website, pricing, platforms and company facts side by side.

Unraid
CloudLinux
Website unraid.net cloudlinux.com
Pricing —
Open source
Listed in

Features and specs

What each product offers, as listed by its team.

Unraid 6 features
CloudLinux 5 features
  • Ease of Use
    Unraid offers a user-friendly web-based GUI that makes system management straightforward, even for those without extensive technical knowledge.
  • Extensibility
    Supports a wide range of plugins and Docker containers, allowing users to customize and extend the functionality of their system easily.
  • Scalability
    Allows for easy addition of storage drives to expand capacity without the need for complex setups.
  • Data Protection
    Offers robust data protection through parity-based data redundancy, ensuring that data is not lost even if a drive fails.
  • Virtualization
    Supports running virtual machines, giving users the ability to run different operating systems and applications in isolated environments.
  • Resource Allocation
    Provides advanced options for CPU pinning and RAM allocation to optimize performance for specific applications or virtual machines.

Possible disadvantages

  • Cost
    Unraid is not free; it requires a one-time purchase of a license, which can be a drawback for budget-conscious users.
  • Single Parity Drive Limitation
    Standard setups typically use a single parity drive, which may not be sufficient for very large arrays or mission-critical applications that require more robust redundancy.
  • Limited High-Performance Storage Options
    While Unraid supports SSDs, it is primarily designed for large capacity, slower spinning disks, potentially limiting high-performance storage setups.
  • Learning Curve for Advanced Features
    Though the basic setup is user-friendly, leveraging advanced features like Docker and virtual machines may require a steeper learning curve.
  • No Built-in Backup Solution
    Unraid does not come with a native backup solution; users must configure third-party tools for backup, adding complexity to the setup.
  • Enhanced Server Stability
    CloudLinux uses its lightweight virtualization technology (LVE) to isolate each tenant on a shared hosting server, preventing any single user from consuming excessive resources and crashing the server for everyone else. This ensures consistent uptime and performance.
  • Improved Security with HardenedPHP and KernelCare
    CloudLinux offers HardenedPHP, which patches old and unsupported PHP versions against known vulnerabilities, and KernelCare, which provides live kernel patching without requiring server reboots. These features significantly enhance server security posture.
  • Resource Limit Management
    Administrators can set granular resource limits (CPU, memory, I/O, number of processes, etc.) per user account using LVE Manager. This makes it easy to manage shared hosting environments and ensure fair resource distribution among tenants.
  • CageFS File System Virtualization
    CageFS creates a virtualized file system for each user, preventing them from seeing other users on the server, viewing sensitive configuration files, or exploiting server vulnerabilities. This adds an important layer of isolation and security.
  • Wide Compatibility with Hosting Panels
    CloudLinux integrates seamlessly with popular hosting control panels such as cPanel, Plesk, and DirectAdmin, making it straightforward for hosting providers to adopt without overhauling their existing infrastructure or workflows.

Possible disadvantages

  • Additional Licensing Cost
    CloudLinux requires a paid monthly or annual license on top of the base server cost. For smaller hosting providers or individual server owners, this additional expense can add up and may not always be justifiable compared to free alternatives.
  • Limited to CentOS/RHEL-Based Systems
    CloudLinux is built on top of RHEL/CentOS and does not support other Linux distributions like Ubuntu or Debian. This limits its adoption for hosting providers who prefer or already run non-RHEL-based environments.
  • Learning Curve for Configuration
    While CloudLinux provides powerful resource management tools, properly configuring LVE limits, CageFS, PHP Selector, and other features requires a solid understanding of the platform. Misconfiguration can lead to users being unnecessarily restricted or resources being poorly allocated.
  • Potential Performance Overhead
    The additional layers of virtualization, resource monitoring, and file system isolation introduced by CloudLinux can impose a slight performance overhead on the server compared to running a bare, unmodified Linux distribution without these controls.
  • Dependency on CloudLinux Ecosystem
    Adopting CloudLinux means relying on their ecosystem for kernel updates, PHP patches, and security fixes. If the company experiences delays in releasing patches or changes its pricing/licensing model, hosting providers may find themselves locked into a dependency that is difficult to migrate away from.

Analysis

An editorial look at what each product does well and who it suits.

Unraid
CloudLinux

Overall verdict

  • Unraid is a robust and versatile network-attached storage (NAS) solution that is highly regarded by both beginners and advanced users. Its flexibility in storage configuration and strong community support make it a good choice for many use cases.

Why this product is good

  • Unraid is appreciated for its flexible storage management, allowing users to mix and match drives of different sizes and types. It provides a user-friendly interface suitable for beginners, while also offering advanced features for experienced users. Unraid supports virtualization, making it possible to run multiple virtual machines on the same hardware, and has a strong community support system with numerous plugins and Docker container options available.

Recommended for

  • Home media servers
  • Small business data storage
  • Tech enthusiasts looking for customizable solutions
  • Users needing virtualization capabilities
  • People interested in maximizing storage capacity efficiently

Overall verdict

  • CloudLinux is a well-regarded, mature Linux OS distribution and toolset specifically designed for shared hosting and multi-tenant server environments, offering strong isolation, resource management, and security features that make it a solid choice for hosting providers.

Why this product is good

  • Provides LVE (Lightweight Virtual Environment) technology for per-tenant resource isolation, preventing 'bad neighbor' effects on shared servers
  • Enhances server stability and security by isolating users so that one account's issues (crashes, resource spikes) don't affect others
  • Offers extended lifecycle support (longer than standard CentOS/RHEL support windows), which is valuable for legacy systems
  • Includes tools like CloudLinux OS Shield, Imunify360 integration, and hardened kernel options for improved security
  • Compatible with popular control panels like cPanel and Plesk, making it easy to integrate into existing hosting stacks
  • Backed by an established company with a long track record in the hosting industry and responsive support
  • Offers granular control over CPU, memory, I/O, and other resources per user account
  • Provides PHP Selector and multiple PHP version support, useful for hosting providers serving diverse client needs

Recommended for

  • Web hosting companies running shared or reseller hosting environments
  • Hosting providers needing to isolate customer accounts on the same physical server
  • Businesses requiring extended OS support lifecycles beyond standard RHEL/CentOS EOL dates
  • Enterprises using cPanel or Plesk that want tighter security and resource control
  • Hosting companies looking to reduce support tickets caused by noisy-neighbor resource contention
  • IT teams managing multi-tenant infrastructure who need governance and monitoring tools built into the OS layer

Videos

Walkthroughs and reviews on video.

Unraid 3 videos + Add
CloudLinux 3 videos + Add

8 months on unRAID

More videos

  • - unRaid - One Year Later - My Thoughts
  • - Freenas vs Unraid vs Openmediavault : Best Nas Software 2019

When To Use Cloudlinux On Your Virtual Private Server (VPS)

More videos

  • - CloudLinux OS+ in a minute: Explore Features
  • - How CloudLinux Plans to Keep CentOS 6 Alive

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Unraid
CloudLinux
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

Share your experience with using Unraid and CloudLinux. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Unraid no reviews yet
CloudLinux no reviews yet

We have no reviews of CloudLinux yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Unraid 13 mentions
CloudLinux 0 mentions
  • what are your digital decluttering routines?
    Really: I've got a Synology 10-disk unit in JBOD mode (each drive independent, but see SnapRaid) containing backup of backups and recent set of 4x 14TB unopened drives. I'm working at building a new UnRaid system to contain... Source: almost 4 years ago
  • Build upgrade - OS advice
    As an example, I have qemu+kvm host running my VMs (NAS, plex, Nextcloud etc.). As for NAS OS, TrueNAS is a great options. With different drive size you can consider UnRAID. It allows to pool drives of a different size.... Source: about 4 years ago
  • my first NAS. need some input on what to buy. synology?
    You can turn a PC case into a NAS with NAS OS like openmediavault (https://www.openmediavault.org/), unraid (https://unraid.net/product), or TrueNAS Core (https://www.truenas.com/docs/core/gettingstarted/corehardwareguide/). They require... Source: over 4 years ago

View more

Tracking CloudLinux since Mar 2021.

Alternatives to Unraid and CloudLinux

When comparing Unraid and CloudLinux, you can also consider the following products.