Software Alternatives & Startups

UCSF Chimera VS CloudLinux

Compare UCSF Chimera VS CloudLinux and see what are their differences

UCSF Chimera

UCSF Chimera is a highly extensible program for interactive visualization and analysis of molecular...

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
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Base details

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

UCS
UCSF Chimera
CloudLinux
Website cgl.ucsf.edu cloudlinux.com
Pricing —
Open source
Listed in

Features and specs

What each product offers, as listed by its team.

UCS
UCSF Chimera 5 features
CloudLinux 5 features
  • Comprehensive Visualization Tools
    UCSF Chimera provides a wide array of visualization tools for molecular modeling and analysis, enabling detailed examination of structures.
  • Extensive Analysis Features
    It supports numerous types of analysis such as structure comparison, surface properties exploration, and chemical footprinting, aiding in deep scientific research.
  • Customizability
    Chimera allows customization through Python scripting, which can be advantageous for users who need specific workflows or new features.
  • Integration with Various Databases
    The software can directly fetch data from online resources like PDB, making it easy to access and update molecular data.
  • Cross-Platform Availability
    Compatible with Windows, macOS, and Linux, thereby catering to a wide range of users across different operating systems.

Possible disadvantages

  • Steep Learning Curve
    New users might find Chimera complex due to its extensive set of features, requiring time and effort to learn effectively.
  • Resource Intensive
    Chimera can be demanding on system resources, necessitating a relatively powerful computer for optimal performance, especially with large datasets.
  • Limited GUI-based Scripting
    While scripting offers advanced functionality, the graphical interface lacks extensive scripting capabilities, which can be a barrier to non-programmers.
  • No Web-Based Version
    Currently, there is no web-based version of Chimera, limiting its accessibility to environments where software installation is possible.
  • Lack of Advanced Tutorials
    While basic tutorials and documentation are available, advanced tutorials and guides are somewhat limited, which might challenge users seeking to utilize complex 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.

Analysis

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

UCS
UCSF Chimera
CloudLinux

No analysis of UCSF Chimera yet.

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.

UCS
UCSF Chimera 3 videos + Add
CloudLinux 3 videos + Add

UCSF Chimera: Structure Analysis

More videos

  • - UCSF Chimera: Basics
  • - UCSF Chimera: Structure Comparisons

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
UCS
UCSF Chimera
CloudLinux
100% 100%
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100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

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Alternatives to UCSF Chimera and CloudLinux

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