Software Alternatives & Startups

A2Hosting VS CloudLinux

Compare A2Hosting VS CloudLinux and see what are their differences

A2Hosting

Need Fast, Reliable Web Hosting? A2 Hosting Is The Leader In Optimized Hosting For Any Need! Try Our Hosting Service Today!

CloudLinux

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

Rating
0 reviews
Pricing
Open source

Which is more popular?

Based on our record, A2Hosting seems to be more popular. It has been mentioned 3 times since March 2021.

social mentions
3 vs 0
Web Hosting popularity
99% vs 1%

Base details

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

A2Hosting
CloudLinux
Website hosting.com cloudlinux.com
Pricing
Open source
Company Startup from the United States —
Listed in

Features and specs

What each product offers, as listed by its team.

A2Hosting 13 features
CloudLinux 5 features
  • Speed
    A2 Hosting is known for its high-speed performance due to its use of SSD storage and turbo servers, which can offer speeds up to 20 times faster than traditional hosting.
  • Reliability
    The company boasts a 99.9% uptime commitment, ensuring that websites remain online and functional almost all the time.
  • Anytime Money-Back Guarantee
    A2 Hosting offers a prorated refund if you cancel after the first 30 days, providing financial security beyond the standard 30-day money-back period.
  • Free Site Migration
    If you're switching from another web host, A2 Hosting offers free site migration services to make the transition smoother.
  • Developer-Friendly
    Supports various software including Python, PHP, Ruby on Rails, and Node.js, making it a good option for developers.
  • Excellent Customer Support
    Provides 24/7/365 customer support through various channels, including live chat, phone, and ticket system.
  • Security Features
    Offers free HackScan to help keep your site secure, along with DDoS protection, a dual firewall, and other advanced security measures.
  • Multiple Data Centers
    Has data centers located globally, which can improve site speed and reliability depending on your geographical location.
  • European Data Centers
    Hosting.uk utilizes data centers located in the UK and across Europe, ensuring compliance with EU data protection regulations and providing lower latency for European customers.
  • Variety of Hosting Plans
    The company offers a wide range of hosting plans including shared hosting, VPS hosting, dedicated servers, and WordPress hosting, catering to different needs and budgets.
  • Solid State Drives (SSD)
    Hosting.uk uses SSDs for their hosting services, offering faster performance and improved reliability over traditional hard drives.
  • 99.9% Uptime Guarantee
    They promise a 99.9% uptime for their services, which is a standard in the industry, ensuring that websites remain accessible most of the time.
  • Customer Support
    The company provides 24/7 customer support, available to assist clients with technical issues and queries via chat, phone, or email.

Possible disadvantages

  • Higher Cost
    While packed with features, A2 Hosting tends to be more expensive compared to other hosting providers, especially for the high-performance plans.
  • Initial Setup Fee
    Some plans come with a one-time setup fee, which can be a deterrent for new customers.
  • Complex Renewal Pricing
    Like many hosting companies, A2 Hosting offers introductory pricing that renews at a significantly higher rate, which can lead to price shocks.
  • Inconsistent Customer Support
    While generally good, there have been instances reported of inconsistent support quality, depending on the support representative.
  • Limited Resources on Lower Plans
    The lower-tier plans come with limitations on resources like RAM and storage, which might not suffice for more resource-intensive websites.
  • Limited Global Presence
    While Hosting.uk has a strong presence in Europe, its lack of data centers in other parts of the world may not be ideal for businesses with a global audience.
  • Pricing Structure
    Some users may find their pricing slightly higher compared to other hosting providers, especially for advanced or resource-intensive plans.
  • Lack of Advanced Features
    Advanced features or specific optimizations such as staging environments for developers may be limited or not available across all plans.
  • Initial Setup Fees
    There might be initial setup fees involved with certain hosting packages, which can be a downside for cost-conscious users.
  • Limited Scalability Options
    While Hosting.uk offers various plans, users with rapidly growing needs may find the scalability options less flexible compared to cloud-based hosting providers.
  • 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.

A2Hosting
CloudLinux

No analysis of A2Hosting yet.

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.

A2Hosting 0 videos + Add
CloudLinux 3 videos + Add

No A2Hosting videos yet. You could help us improve this page by suggesting one.

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
A2Hosting
CloudLinux
99% 99%
1% 1%
99% 99%
1% 1%
99% 99%
1% 1%
97% 97%
3% 3%

User comments

Share your experience with using A2Hosting and CloudLinux. For example, how are they different and which one is better?

Log in or Post with

Reviews and articles

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

A2Hosting 5.0 · 20 reviews
CloudLinux no reviews yet

View more

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.

A2Hosting 3 mentions
CloudLinux 0 mentions

Tracking CloudLinux since Mar 2021.

Alternatives to A2Hosting and CloudLinux

When comparing A2Hosting and CloudLinux, you can also consider the following products.