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Retro Virtual Machine VS CloudLinux

Compare Retro Virtual Machine VS CloudLinux and see what are their differences

Retro Virtual Machine

The ZX Spectrum and Amstrad CPC emulator which works natively in macOS, Linux, and Windows.

Rating
0 reviews
Pricing
Open source
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Alternatives Is it good?
CloudLinux

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

Rating
0 reviews
Pricing
Open source
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Alternatives Is it good?
meetergo
GDPR-compliant meeting scheduling hosted in Germany. Booking pages, built-in video calls, lead routing, CRM and payments in one tool, with all data stored in Frankfurt and a data processing agreement (DPA/AVV) included. sponsored
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.

Base details

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

Retro Virtual Machine
CloudLinux
Website retrovirtualmachine.org cloudlinux.com
Pricing
Open source
Open source
Listed in
IDE Project Management Mobile App Dev Platform Video Conferencing +1
Hosting Web Hosting Cloud Hosting VPS Hosting +1

Features and specs

What each product offers, as listed by its team.

Retro Virtual Machine 0 features
CloudLinux 5 features

No features have been listed yet.

  • 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.

Retro Virtual Machine
CloudLinux

Overall verdict

  • Retro Virtual Machine is a well-regarded, accurate emulator for classic 8-bit computers like the Amstrad CPC, ZX Spectrum, and MSX, offering excellent cycle-accurate emulation and a polished, user-friendly interface, making it a solid choice for retro computing enthusiasts.

Why this product is good

  • Highly accurate, cycle-level emulation that faithfully reproduces original hardware behavior
  • Supports popular retro systems including Amstrad CPC, ZX Spectrum, and MSX
  • Clean, modern, and intuitive user interface that is easy for newcomers to navigate
  • Cross-platform availability for Windows, macOS, and Linux
  • Free to use, making it accessible to hobbyists and preservationists
  • Features like save states, debugging tools, and realistic display effects (CRT emulation)

Recommended for

  • Retro computing enthusiasts wanting authentic 8-bit machine emulation
  • Fans of the Amstrad CPC, ZX Spectrum, and MSX platforms
  • Developers and homebrew programmers needing accurate testing and debugging tools
  • Preservationists archiving classic software and games
  • Newcomers to emulation looking for an easy-to-use, polished experience

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.

Retro Virtual Machine 3 videos + Add
CloudLinux 3 videos + Add

Video Review - Retro Virtual Machine 1.1.8 [ENGLISH SUBS]

More videos

  • - Retro Virtual Machine - ZX Spectrum Tutorial
  • - Z80 Coding with Retro Virtual Machine for the Amstrad CPC with Screen mapping

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
Retro Virtual Machine
CloudLinux
100% 100%
IDE
0% 0%
0% 0%
Cloud Hosting
100% 100%
100% 100%
Project Management
0% 0%
0% 0%
Web Hosting
100% 100%

User comments

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