Software Alternatives & Startups

Passkeyd VS CloudLinux

Compare Passkeyd VS CloudLinux and see what are their differences

Passkeyd

Passkey auth just became easy to self host

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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.

Base details

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

Passkeyd
CloudLinux
Website passkeyd.com cloudlinux.com
Pricing —
Open source
Listed in

Features and specs

What each product offers, as listed by its team.

Passkeyd 5 features
CloudLinux 5 features
  • Passwordless Authentication
    Passkeyd enables passwordless authentication using passkeys, which eliminates the need for users to remember and manage complex passwords, reducing friction in the login process.
  • Enhanced Security
    By leveraging passkey technology based on FIDO2/WebAuthn standards, Passkeyd provides phishing-resistant authentication that is significantly more secure than traditional password-based systems.
  • Improved User Experience
    Passkeys allow users to authenticate using biometrics (fingerprint, face recognition) or device PINs, making the sign-in process faster and more intuitive compared to typing passwords.
  • Simplified Integration
    Passkeyd appears to offer a service or API that helps developers and businesses integrate passkey-based authentication into their applications without having to build the complex infrastructure from scratch.
  • Alignment with Industry Standards
    Passkeyd aligns with the growing industry push toward passkeys supported by major players like Apple, Google, and Microsoft, ensuring compatibility with modern authentication ecosystems.

Possible disadvantages

  • Limited Public Awareness
    Passkeyd is a relatively niche product, and there is limited publicly available information, reviews, or community feedback about its reliability, performance, and long-term viability.
  • Passkey Ecosystem Maturity
    The broader passkey ecosystem is still evolving, and not all users or devices fully support passkeys yet, which could limit adoption and create edge cases where fallback authentication is needed.
  • Vendor Lock-in Risk
    Relying on a third-party service like Passkeyd for authentication infrastructure could create dependency, making it difficult to switch providers or bring the solution in-house later.
  • Unclear Pricing and Scalability
    As a smaller or newer service, the pricing model, scalability limits, and enterprise-readiness of Passkeyd may not be as transparent or proven compared to established authentication providers.
  • Device Dependency
    Passkey-based authentication inherently depends on users having compatible devices. If a user loses their device or doesn't have access to it, account recovery can be more complex than with traditional passwords.
  • 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.

Passkeyd
CloudLinux

Overall verdict

  • I don't have verified, up-to-date information about Passkeyd (passkeyd.com) specifically, so I can't confirm whether it's good or reliable. It appears to be related to passkey/authentication technology based on the name, but I cannot verify its features, security practices, company legitimacy, or user reviews.

Why this product is good

  • I don't have specific data on this product's actual features, pricing, or performance
  • I cannot verify the company's reputation, security certifications, or track record
  • No access to real user reviews or independent audits of this specific service
  • The passkey/authentication space has many providers with varying quality and trustworthiness

Recommended for

  • Before using this service, verify it directly by checking their official website for documentation
  • Look for independent security audits or certifications (SOC 2, ISO 27001, etc.)
  • Search for recent user reviews on platforms like G2, Trustpilot, or Reddit
  • Check if the company has transparent contact information and business registration
  • Consider consulting cybersecurity forums or communities for firsthand experiences with this specific product

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.

Passkeyd 0 videos + Add
CloudLinux 3 videos + Add

No Passkeyd 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
Passkeyd
CloudLinux
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

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Alternatives to Passkeyd and CloudLinux

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