CloudLinux VS MockDPE

Compare CloudLinux VS MockDPE and see what are their differences

Rating: 0 reviews
Pricing: Open source
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Rating: 0 reviews
Pricing: Freemium Free trial $29 / Monthly (Unlimited Mock Checkrides & Full Access to All Features)
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Base details

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

	CloudLinux	MockDPE
Website	cloudlinux.com	mockdpe.org
Pricing	Open source	Freemium Free trial $29 / Monthly (Unlimited Mock Checkrides & Full Access to All Features) Official pricing
Platforms	—	Web Google Chrome Safari Firefox Internet Explorer Edge +3
Company	—	Startup from the United States · 1 - 9 employees · 2026
Listed in	Hosting Web Hosting Cloud Hosting VPS Hosting +1	Aviation Pilot Education Travel +1

About CloudLinux and MockDPE

In their own words, as submitted to SaaSHub.

CloudLinux

MockDPE

No description of CloudLinux yet.

An FAA exam is the most important a pilot will ever take, costing $1000+ and going on their permanent record. MockDPE makes verbal practice possible through an AI DPE (examiner) using a custom aircraft, live weather, and real world conditions. MockDPE provides regulatory citations, grades with...

Features and specs

What each product offers, as listed by its team.

CloudLinux 5 features

MockDPE 9 features

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.

16,000+ US Airports
Fly the IFR route of your choice, with approach plates and navigation data from 16,000+ airports across the United States.
Live Aviation Weather
Your DPE will pull live METARs and TAFs at the time of your checkride for maximum realism.
Full ACS Coverage
All responses are graded against the FAA ACS using resources such as the Instrument Flying Handbook, FAR/AIM, and real approach plates.
Flight Instructor Validation
MockDPE is validated by independent flight instructors, and is internally measured to grade responses with 96.3% consistency across sessions.
3 DPE Personas
Choose the DPE persona that matches your real examiner, or choose a stricter one to make sure you're ready for anything.
Study Guide & Gouge Upload
Upload a gouge or study guide so your DPE knows exactly where to spend the most time. Useful if you know what your examiner tends to ask on the real checkride.
Unlimited Practice
There are no limits for how much you can practice! Your checkride will be one of the most important days of your life, so we're here to help you succeed with unlimited test prep through a cheap, flat-rate subscription.
Instructor Explanations
If your DPE asks you something that trips you up, MockDPE's built in flight instructor will be there to explain the right answer.
Fully Voice-Based
Speak and listen to your DPE just as you will on the real day. Text-based responses are an option, but we recommend taking advantage of the built in voice functionality since verbalizing your answers is one of the hardest parts of an FAA checkride.

Analysis

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

CloudLinux

MockDPE

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

Overall verdict

I don't have verified information about MockDPE (mockdpe.org) in my knowledge base, so I can't confirm its quality, legitimacy, or features with confidence. Before using it, I'd recommend independently verifying the site's reputation, security, and reviews.

Why this product is good

No reliable data available to confirm its credibility or service quality
Unable to verify ownership, safety, or user reviews for this domain
Lack of information makes it impossible to assess feature set or pricing accurately

Recommended for

Users should conduct independent research (e.g., check WHOIS data, look for reviews, verify SSL/security) before relying on this site
Not recommended to use without first confirming legitimacy through trusted third-party sources

Videos

Walkthroughs and reviews on video.

CloudLinux 3 videos + Add

MockDPE 1 video + Add

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

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

CloudLinux

MockDPE

100% 100%

Cloud Hosting

0% 0%

Education

100% 100%

Web Hosting

0% 0%

Travel

100% 100%

Questions & Answers

As answered by people managing CloudLinux and MockDPE.

Why should a person choose your product over its competitors?

MockDPE's answer:

Most IFR oral exam prep is either a written question bank, a one-time mock session with a CFII, or pure AI slop (no offense). MockDPE is carefully engineered by a real commercial pilot who builds things for a living as a software developer. MockDPE is available around the clock, adapts its scenarios (different airports, aircraft, weather, and DPE personas) per-session so you're not memorizing answers, and gives structured feedback mapped to specific ACS areas of operation so you know exactly where you're weak before test day. MockDPE has gone through hundreds of iterations to make the AI as accurate as possible, responds with citations from the Instrument Flying Handbook, FAR/AIM, and live airport data. It's also validated by independent instrument flight instructors and is internally measured to grade with 96.3% consistency across sessions.

How would you describe the primary audience of your product?

MockDPE's answer:

A strength of MockDPE is that it's useful to any instrument pilot, whether student pilots preparing for an IFR checkride, CFIIs working with instrument students, or everyday instrument pilots who want to stay fresh for their next instrument proficiency check (IPC). It's built for pilots who've completed their ground school and flight training and now need realistic oral exam prep to supplement the videos and flashcards that are widely available. The final stretch before a checkride is arguably the most important, so it's crucial that pilots have access to accurate, reliable, and realistic resources for the best chance of success.

Who are some of the biggest customers of your product?

MockDPE's answer:

MockDPE is a product aimed at individuals, not institutions. This allows us to keep the pricepoint as low as possible, passing on significant savings to pilots who are already paying enough given the incredible expense of flight training in 2026. For the cost of 10 minutes in your school's C172 trainer, you can unlock unlimited IFR test prep with live weather, real airport data, immersive scenarios, gouge upload functionality, instructor explanations, and much more!

Which are the primary technologies used for building your product?

MockDPE's answer:

MockDPE is built on Next.js and TypeScript with Vercel deployment for on-demand, fluid compute. The DPE that students interact with is actually broken into multiple, smaller Google AI Studio models, each given a very narrow task. By keeping the scope of each model small, hallucinations, inaccuracies, and deviations from instructions drop drastically. As an additional bonus, this distributed approach makes the per-response cost significantly lower than using a single, more powerful model, allowing MockDPE to pass on incredible savings to users. MockDPE is as much as 10x more cost effective than other AI pilot tools, many of which charge several hundred dollars for a single session. At that point, just pay a real CFII to run the most realistic checkride prep you can get!

What makes your product unique?

MockDPE's answer:

MockDPE simulates the oral exam portion of the FAA Instrument Rating checkride in real time through two way voice communication. An AI examiner (built on Google Studio AI) asks scenario-based questions tied to real FAA ACS tasks, pulls in live weather and airport data so scenarios change every session, and scores responses against the same standards a real DPE uses. It's closer to a rehearsal with an examiner than to flashcards by a long shot, and a fraction of the cost of running a full mock checkride with a real instructor: only $29 for a full month of unlimited practice vs $200+ for a single mock checkride.

What's the story behind your product?

MockDPE's answer:

MockDPE was built by a commercial pilot who went through instrument rating training several years ago, before the big "AI boom." As a software developer by trade, he sees this as a massive opportunity to integrate AI responsibly and at a high level to one of the most influential industries of modern times. At the end of the day, there's no shortage of tools for testing written knowledge, but almost nothing accurately and realistically simulates the back-and-forth, scenario-driven questioning of an actual DPE oral exam. MockDPE was created to fill that specific gap, using conversational AI grounded in FAA ACS standards instead of a fixed question bank.

User comments

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