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ClearScale Ubuntu 26.04 LTS vs Ubuntu 20 (Ubuntu 20.04 LTS) (ARM) | Support by SupportedImages comparison

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Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

ClearScale Ubuntu 26.04 LTS
Ranking in AWS Marketplace
189th
Average Rating
10.0
Number of Reviews
5
Ranking in other categories
No ranking in other categories
Ubuntu 20 (Ubuntu 20.04 LTS...
Ranking in AWS Marketplace
488th
Average Rating
9.0
Number of Reviews
2
Ranking in other categories
No ranking in other categories
 

Featured Reviews

reviewer2855598 - PeerSpot reviewer
Cloud DevOps Engineer at a consultancy with 10,001+ employees
CIS hardening has simplified secure container workloads but AppArmor still blocks Docker by default
The CIS L1 AppArmor enforcement breaks Docker out of the box. Containers fail to start with a permission denied on the containerd task directory. There is no documentation about this. A simple note explaining that Docker users need to either update the runc AppArmor profile or disable it would save a lot of debugging time. It takes a while to trace the failure back to AppArmor blocking runc writes to /run/containerd/.
Azam S M - PeerSpot reviewer
Infrastructure Lead at Danat Fz LLC
Container workloads have run reliably and now support secure, customizable services
It is important that Ubuntu 20 (Ubuntu 20.04 LTS) (ARM) | Support by SupportedImages has long-term support for mission-critical operations, because there are applications which need to be updated if we are going with a newer version. I do not see areas for improvement in Ubuntu 20 (Ubuntu 20.04 LTS) (ARM) | Support by SupportedImages because it satisfies our requirements. Ubuntu 20 (Ubuntu 20.04 LTS) (ARM) | Support by SupportedImages is 99% stable and reliable. It is not our primary OS; we are using it for specific services for containers and specific services. We have also introduced AI into the platform. For example, if an updated version of Redis is available, that updated version will not be available in Ubuntu 20 (Ubuntu 20.04 LTS) (ARM) | Support by SupportedImages repository. In that case, we have to pull it directly from the Redis servers and install it manually for it to work for us. I give this product a rating of 9.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"The pre-applied CIS L1 benchmark is the main selling point, as getting a hardened baseline without manual effort is genuinely useful and the Ubuntu 26.04 LTS base also means I'm on a supported, up-to-date kernel with long-term security patches."
"Once you get that launch template dialed in, the image is incredibly solid."
"The hourly software charge is small relative to the engineering time we used to spend building and maintaining our own hardened AMI."
"The same-day engineering support has been very valuable."
"ClearScale Ubuntu 26.04 LTS is an excellent choice for organizations adopting cloud-native technologies and modern DevOps practices."
"Regarding value for money, organizations that provide services typically use Ubuntu as their primary OS, which is secure, compatible, and developer-friendly, allowing our DevOps team to utilize it effectively for daily deployments and configurations."
"Ubuntu 20 (Ubuntu 20.04 LTS) (ARM) | Support by SupportedImages is easy to learn, which is my favorite part about it, as the commands are very easy."
 

Cons

"Enterprise management and compliance tooling could be more comprehensive out of the box."
"Because the firewall ships default-deny, the first launch in a new environment takes a little planning to open the exact ports the app and load balancer health checks need."
"The CIS L1 AppArmor enforcement breaks Docker out of the box."
"It'd be cool to have more detailed changelogs with each new release so we can see exactly what packages got updated without having to boot up a test instance and diff it ourselves."
"There are a few applications that are not easy to deploy on Ubuntu 20 (Ubuntu 20.04 LTS) (ARM) | Support by SupportedImages, so we need to have some workarounds for that."
"Despite mentioning many advantages, an area for improvement in Ubuntu is its application support, as it lacks many GUI-friendly applications that are available on Windows or macOS, which limits usability for tasks requiring specific software."
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Questions from the Community

What is your experience regarding pricing and costs for ClearScale Ubuntu 26.04 LTS?
The hourly premium is honestly negligible compared to the salary hours I was wasting building, patching, and maintaining my own custom images. If you have a decent-sized fleet, look at the total co...
What needs improvement with ClearScale Ubuntu 26.04 LTS?
It would be cool to have more detailed changelogs with each new release so I can see exactly what packages got updated without having to boot up a test instance and diff it myself.
What is your primary use case for ClearScale Ubuntu 26.04 LTS?
I run a bunch of stateless REST APIs and web apps in AWS behind an Application Load Balancer. Everything lives in Auto Scaling Groups (ASGs). I use this AMI as the default base for those instances ...
What is your experience regarding pricing and costs for Ubuntu 20 (Ubuntu 20.04 LTS) (ARM) | Support by SupportedImages?
We are going with the open source version and are not purchasing Ubuntu 20 (Ubuntu 20.04 LTS) (ARM) | Support by SupportedImages.
What needs improvement with Ubuntu 20 (Ubuntu 20.04 LTS) (ARM) | Support by SupportedImages?
There are a few applications that are not easy to deploy on Ubuntu 20 (Ubuntu 20.04 LTS) (ARM) | Support by SupportedImages, so we need to have some workarounds for that. For example, certain appli...
 

Comparisons

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Overview

Find out what your peers are saying about ClearScale Ubuntu 26.04 LTS vs. Ubuntu 20 (Ubuntu 20.04 LTS) (ARM) | Support by SupportedImages and other solutions. Updated: September 2026.
915,341 professionals have used our research since 2012.