Software Alternatives & Startups

Nomorobo VS CloudLinux

Compare Nomorobo VS CloudLinux and see what are their differences

Nomorobo

Nomorobo blocks annoying robocalls, telemarketers, and phone scams.

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.

Which is more popular?

Based on our record, Nomorobo seems to be more popular. It has been mentioned 11 times since March 2021.

social mentions
11 vs 0
Caller ID popularity
100% vs 0%

Base details

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

N
Nomorobo
CloudLinux
Website nomorobo.com cloudlinux.com
Pricing
Open source
Listed in

Features and specs

What each product offers, as listed by its team.

N
Nomorobo 5 features
CloudLinux 5 features
  • Call Blocking
    Nomorobo effectively blocks unwanted robocalls and telemarketers using a large database of known spam numbers, reducing nuisance calls.
  • Real-Time Protection
    The service offers real-time protection and updates its database frequently, ensuring it remains effective against emerging spam numbers.
  • Easy to Use
    Nomorobo is designed to be user-friendly with a straightforward setup process, making it accessible to non-technical users.
  • Compatibility
    Nomorobo is compatible with many major phone services and can be used on both landlines and mobile phones.
  • Free for VOIP Lines
    Nomorobo offers its call blocking service for free to Voice Over IP (VOIP) phone users.

Possible disadvantages

  • Limited Free Mobile Version
    Nomorobo is not free for mobile phones and requires a subscription, which could be a drawback for some users.
  • Not 100% Effective
    While effective, no call blocking service, including Nomorobo, can block every single spam call, and some unwanted calls might still get through.
  • Potential for Blocking Wanted Calls
    There's a possibility that legitimate calls might be accidentally blocked if they are mistakenly identified as spam.
  • Dependence on Subscriber's Internet Connection
    Nomorobo's effectiveness on VOIP lines is dependent on the subscriber's internet connection, which might pose an issue if connectivity is poor.
  • Variable Carrier Support
    While it supports many carriers, there are still some that do not support integration with Nomorobo, limiting its usability for some users.
  • 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.

N
Nomorobo
CloudLinux

No analysis of Nomorobo 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.

N
Nomorobo 3 videos + Add
CloudLinux 3 videos + Add

Nomorobo - reviews! Is it worth it? Does this app actually block robocalls?

More videos

  • - Nomorobo Review
  • - Nomorobo Explained

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
N
Nomorobo
CloudLinux
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

Share your experience with using Nomorobo and CloudLinux. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

N
Nomorobo 11 mentions
CloudLinux 0 mentions
  • Scam 888-902-2150
    Does Comcast support spam filtering, e.g. NoMoRobo or Stir/Shaken? I recently switched from AT&T digital phone to a VoIP provider, enabled these two features, and all sales/spam calls just magically vanished. Source: over 3 years ago
  • HELP - I get 10-20 calls/texts a day from small business loan sharks
    I have this installed on my home phone which has greatly reduced the number of calls I get https://nomorobo.com/. Source: over 3 years ago
  • Phone is getting bombarded with about 30 phone calls an hour this morning.
    Do you use nomorobo.com? Ww find it screens a good percentage of our junk calls. But not all. Source: almost 4 years ago

View more

Tracking CloudLinux since Mar 2021.

Alternatives to Nomorobo and CloudLinux

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