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Docker on Ubuntu 18.04 LTS vs Red Hat Enterprise Linux 9 (redhat 9) | Support by SupportedImages comparison

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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

Docker on Ubuntu 18.04 LTS
Ranking in AWS Marketplace
448th
Average Rating
9.6
Number of Reviews
4
Ranking in other categories
No ranking in other categories
Red Hat Enterprise Linux 9 ...
Ranking in AWS Marketplace
457th
Average Rating
8.6
Number of Reviews
3
Ranking in other categories
No ranking in other categories
 

Featured Reviews

Arkajyoti Misra - PeerSpot reviewer
Associate Director at Husk Power Systems
Containerization has accelerated testing cycles and consistently reduced time to market
Docker on Ubuntu 18.04 LTS is a very mature product, and I don't think there is a lot of improvement that they need to do on their end. The Docker team is coming up with new features, and integration with the IDE, for example, would be amazing. Support on Windows is not so great from Docker, so that is something that they could examine. I chose nine out of ten for Docker on Ubuntu 18.04 LTS because I think they could improve a little more on optimization. It sometimes demands a lot of RAM and computing power, so that is one area that the Docker team could improve upon.
Md Al-Amin - PeerSpot reviewer
Senior System Analyst at Thakral
Bank projects have gained strong security and reliable performance for critical applications
From my experience as a partner, the biggest advantage of Red Hat Enterprise Linux 9 (redhat 9) | Support by SupportedImages is that it is a stable and reliable product. It is a reliable OS when I am using it for applications because we run middleware software upon the OS, which means if there are problems or security holes in the OS, my applications also face those issues. In that scenario, the stability and security of Red Hat Enterprise Linux 9 (redhat 9) | Support by SupportedImages is commendable. The security policy of Red Hat Enterprise Linux 9 (redhat 9) | Support by SupportedImages is improved, but security measures must still be implemented. After we install the operating system, the customer's bank security team will harden the OS to block any potential breaches or malicious activities. To measure performance with Red Hat Enterprise Linux 9 (redhat 9) | Support by SupportedImages, I assess how much RAM and CPU the background processes are consuming. I can restrict these processes to ensure that minimal background processes run, allowing my application server software and applications to operate better with the available memory and CPU resources.

Quotes from Members

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

Pros

"Docker on Ubuntu 18.04 LTS makes both managing and deploying that service easier for me."
"Ease of use from the developer's point of view is the best feature."
"Docker on Ubuntu 18.04 LTS positively impacts my organization because we have sped up our development very quickly, and our team has grown quickly, not only because of Docker but also due to Docker."
"Fast deployment is the main benefit."
"From my experience as a partner, the biggest advantage of Red Hat Enterprise Linux 9 (redhat 9) | Support by SupportedImages is that it is a stable and reliable product."
"It is pricey, but our product requires a high level of security and performance, making it much better than Ubuntu and other Linux options."
"Cloud integration is quite easy, and containerization support along with file system level enhancements has improved considerably."
 

Cons

"Docker on Ubuntu 18.04 LTS is stable enough, but again, it is very old."
"I have not seen a return on investment that I can quantify, and I do not have specific metrics to share regarding fewer employees needed, money saved, or time saved."
"Maybe the daemons need to be improved, as they consume a lot of resources for building and running images."
"Support on Windows is not so great from Docker, so that is something that they could examine."
"There is room for improvement regarding response time and first-level support quality."
"Maybe for the virtual machine management, we utilize Red Hat Enterprise Linux 9 (redhat 9) | Support by SupportedImages because it is so powerful. We have a lower version of Red Hat for previous virtual machine management, and since we now have a new version, virtual machine management is more complicated."
"Regarding the technical team of Red Hat, I find the support to be a mixed bag. In my region during office hours, calls go to the Asia Pacific support team, which is not up to the mark."
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Questions from the Community

What is your experience regarding pricing and costs for Docker on Ubuntu 18.04 LTS?
My experience with the pricing, setup cost, and licensing of Docker on Ubuntu 18.04 LTS is very good. I do not see a lot of challenges there, and it definitely provides value for money.
What needs improvement with Docker on Ubuntu 18.04 LTS?
Docker on Ubuntu 18.04 LTS is a very mature product, and I don't think there is a lot of improvement that they need to do on their end. The Docker team is coming up with new features, and integ...
What is your primary use case for Docker on Ubuntu 18.04 LTS?
My main use case for Docker on Ubuntu 18.04 LTS is containerizing our applications so that we are able to test it before deployment. Even the developers do a lot of development level testing before...
What needs improvement with Red Hat Enterprise Linux 9 (redhat 9) | Support by SupportedImages?
To improve Red Hat Enterprise Linux 9, I suggest adding better features, patch management, and enhancing SELinux even further. Breaking SELinux is very difficult, but challenges still exist. Port m...
What is your primary use case for Red Hat Enterprise Linux 9 (redhat 9) | Support by SupportedImages?
I am ready to shift from a project I was focused on, and I took a break recently. I stopped working with Red Hat Enterprise Linux while I was working with Ericsson Global Services Private Limited i...
What advice do you have for others considering Red Hat Enterprise Linux 9 (redhat 9) | Support by SupportedImages?
I did not use Podman in Red Hat Enterprise Linux 9 for container management, but I am aware it exists. I was using a VMware setup with OVF kind of images instead. We have yet to fully assess Red Ha...
 

Overview

Find out what your peers are saying about Docker on Ubuntu 18.04 LTS vs. Red Hat Enterprise Linux 9 (redhat 9) | Support by SupportedImages and other solutions. Updated: October 2026.
921,523 professionals have used our research since 2012.