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Which is more popular?
Based on our record, Flynn
seems to be more popular. It has been mentioned
3 times
since March 2021.
social mentions
3 vs 0
Developer Tools popularity
100% vs 0%
Base details
Website, pricing, platforms and company facts side by side.
Integrated Platform Flynn offers a fully integrated platform as a service (PaaS) that includes features like continuous deployment, scaling, and management of microservices, simplifying the deployment and management of applications.
Flexibility Flynn is designed to support any application, service, or database, providing developers flexibility to use the languages and frameworks they are comfortable with.
Open Source Being open-source, Flynn allows developers to contribute to its improvements or tailor the platform to better suit their specific needs.
Self-hosted Flynn provides users the capability to self-host their PaaS, offering more control over their infrastructure and data, which is crucial for compliance and security.
Scalability Flynn supports automatic scaling of applications, helping to efficiently manage resources and handle varying loads with ease.
Possible disadvantages
Complexity Flynn can be complex to set up and maintain compared to other PaaS solutions, potentially requiring a higher level of expertise in managing infrastructure.
Smaller Community Flynn has a smaller user and support community compared to larger platforms such as Kubernetes, which might lead to fewer resources or third-party integrations.
Limited Features Relative to larger established platforms, Flynn might have fewer built-in features or integrations, which could limit advanced use cases or necessitate additional custom development.
Development Activity The development activity and support for Flynn may be less active or slower compared to other open-source projects, potentially leading to delays in bug fixes or new feature releases.
Hardware Requirements Running Flynn might require more substantial infrastructure and resources due to its integrated, multi-component nature, which could be costly for small teams or projects.
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.
FlynnCloudLinux
Overall verdict
Flynn can be a good choice for teams that value automation and need a robust platform to deploy and manage their applications efficiently. However, it may not be suitable for all use cases, especially those that require the flexibility and scalability offered by more mature PaaS solutions like Kubernetes. It fits well for small to medium-sized projects due to its ease of setup and maintenance.
Why this product is good
Flynn is an open-source platform as a service (PaaS) that simplifies managing, deploying, and scaling applications. It is designed to handle production-ready environments, making it a suitable option for developers looking to automate complex tasks and focus on their core applications. The system is particularly beneficial for applications that need continuous integration and deployment workflows. Flynn provides a full-stack agnostic platform, meaning it can support various types of applications and databases.
Recommended for
Small to medium-sized development teams looking for an easy deployment solution.
Developers seeking a self-hosted PaaS that handles database and application deployments.
Organizations that prefer open-source solutions for their development and deployment workflows.
Projects that benefit from a Heroku-like experience with more control over the infrastructure.
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
Flynn was very promising when it was announced but it seems like the project is not getting anywhere. The company blog has not been updated in two years and there are multiple issues on the Github page asking if the...
Dokku is great, but historically it didn't really handle resilience. It looks like there's now a K3s scheduler (added earlier this year) which would mean I could have use a Kubernetes operator for a replicated database as well as have...
- Source: Hacker News
/
about 2 years ago
Considering other orchestration tools like dokku, dcos, deis, flynn, docker swarm, etc.. Kubernetes is no where near to them in terms of lines of code, on an average those tools are around 100k-200k lines of code.
Source:
about 4 years ago
> we are indeed writing a new orchestration system in Go, called `flyd`. I know it's just a wild coincidence, but I couldn't help but be reminded of https://github.com/flynn/flynn.
- Source: Hacker News
/
over 4 years ago
Tracking CloudLinux since Mar 2021.
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