Software Alternatives & Startups

vSphere VS CloudLinux

Compare vSphere VS CloudLinux and see what are their differences

vSphere

Get started with VMware vSphere editions, the world’s leading server virtualization platform and the best foundation for your apps, your cloud, and your business.

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.

vSphere
CloudLinux
Website vmware.com cloudlinux.com
Pricing —
Open source
Listed in

Features and specs

What each product offers, as listed by its team.

vSphere 7 features
CloudLinux 5 features
  • High Availability
    vSphere offers built-in high availability (HA) features that ensure continuous availability of applications by minimizing downtime and providing quick failure recovery.
  • Scalability
    vSphere can scale both horizontally and vertically, meaning it can handle increasing workloads by adding more servers or by enhancing the capabilities of existing servers.
  • Advanced Resource Management
    Provides sophisticated resource management capabilities including Distributed Resource Scheduler (DRS) and Network I/O Control, enabling efficient distribution and utilization of resources.
  • Security
    Incorporates numerous security features such as encryption, secure boot, and role-based access control (RBAC) to safeguard sensitive data and ensure compliance.
  • Ease of Management
    Comprehensive management tools like vCenter Server facilitate streamlined administration, monitoring, and automation of virtual environments.
  • Backup and Recovery
    Supports robust backup and recovery solutions, including integration with various third-party backup software for disaster recovery planning.
  • Performance Optimization
    Optimizes performance through features like VMotion and Storage VMotion, enabling live migration of virtual machines without downtime.

Possible disadvantages

  • Cost
    vSphere is often considered expensive, with high initial licensing fees and ongoing maintenance costs, which may not be affordable for smaller organizations.
  • Complexity
    The platform can be complex to deploy and manage, necessitating skilled personnel for setup, configuration, and ongoing administration.
  • Hardware Compatibility
    Requires specific hardware for optimal performance and compatibility, which may necessitate additional investments in new hardware or upgrades.
  • Resource Intensive
    Resource-hungry environment that can impact performance if not properly managed, particularly in terms of CPU, memory, and storage requirements.
  • Vendor Lock-In
    Heavily relies on VMware's ecosystem, creating potential vendor lock-in issues, making it difficult to switch to other solutions without significant effort.
  • Learning Curve
    Steep learning curve for new users, requiring extensive training and experience to utilize all the features and capabilities effectively.
  • License Compliance
    Complex licensing model can result in compliance challenges, necessitating rigorous tracking and management of licenses to avoid penalties.
  • 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.

vSphere
CloudLinux

Overall verdict

  • Overall, vSphere is a strong product for managing virtual environments, offering excellent performance and interoperability. It is widely regarded as a good solution for businesses seeking to optimize their IT infrastructure efficiently.

Why this product is good

  • vSphere by VMware is considered a robust and reliable virtualization platform due to its comprehensive set of features, scalability, performance, and strong support for hybrid cloud environments. It provides powerful tools for automation, resource management, and disaster recovery, making it a top choice for many enterprises.

Recommended for

  • Large enterprises managing extensive data centers
  • Organizations looking to implement hybrid or private cloud solutions
  • IT departments requiring advanced resource management and automation capabilities
  • Businesses needing a reliable platform for virtualization and disaster recovery

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.

vSphere 3 videos + Add
CloudLinux 3 videos + Add

What is VMware vSphere ESXi and vCenter?

More videos

  • - VMware vSphere Review (Real User: Stewart Hardy III)
  • - VMware vSphere Review (Real User: Marcelo Garcia)

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
vSphere
CloudLinux
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

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Reviews and articles

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

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CloudLinux no reviews yet

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Alternatives to vSphere and CloudLinux

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