We use Red Hat for everything or we have a Red Hat derivative.

Red Hat Enterprise Linux for SAP with HA and Update Services 9.0
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Redhat review
You can always rely on Red Hat
predictable and secure
seriously, Red Hat does a great job curating the rpm and images. Security first is also very important. and most of all, the give back to the commnunity.
At the forefront of built-in security features
What is our primary use case?
How has it helped my organization?
We use it on-prem and on the cloud. We use it in a hybrid cloud environment. We see it everywhere. We have a more consistent view. We do not have the same churn that we have with other operating systems. The longevity of Red Hat Enterprise Linux is pretty cool.
We see it being used a lot for containerization projects. A lot of the things that I am involved in involve Red Hat Enterprise Linux. It is a great experience. It is something that we know we can come into and have a good outcome. It is very reliable.
They are at the forefront in terms of built-in security features. I have seen a lot of things that they are doing. We would like to see more of that because security is something that is impacting everyone.
The portability of applications and containers built on Red Hat Enterprise Linux is great for keeping our organization agile. It is consistent. When I build an image with Red Hat Enterprise Linux, I know what is in it. I know it is trusted. I do not have the same churn that I would have with others. The way they support it and the way they communicate are well-known.
What is most valuable?
It is the number one Linux operating system that we've run in to, and the way it does things is the way I prefer. I do not know if it is because they did it first, or they just read my mind.
The number one feature we like is that it is a very reliable platform. It is a very consistent platform. There is very little that we cannot do with Red Hat Enterprise Linux, and there is very little that we worry about when we are running a Red Hat distribution.
What needs improvement?
Red Hat started as a very open and outwardly focused release, but recently, some of the changes that were made have affected that reputation. From the standpoint of what they can add to the product, the product is pretty stable.
They continue to push the ecosystem forward, but as a consumer, what was most important for me was the reputation of openness that Red Hat has fostered. I would like that back. I wish they did not care about CentOS and things like that. I have seen my customers push away from Red Hat as a result of that perception, which is weird because it does not change anything. I wish they would value that. Because of new owners too, the perception has changed suddenly.
For how long have I used the solution?
I started with Red Hat before Enterprise Linux. I started in the nineties when Red Hat first went on floppy disks. They had a bunch of floppy disks. That was my first release, and then they started doing it via CD-ROMs. The first Red Hat Enterprise Linux release that I used was 2 or 2.1 in early 2000. I remember the Red Hat person coming to where I was working at the time and saying that they are going to start this enterprise distribution. We were really skeptical. We were like, "We have Red Hat. We love Red Hat. Why are you messing with a good thing?" It is kind of funny.
What do I think about the stability of the solution?
It is stable.
What do I think about the scalability of the solution?
It is scalable.
How are customer service and support?
It has always been solid. It is getting a little worse than it was before. When you get to the right people, you always get amazing support. It is just a bit harder to get to the right people. I would rate their support a ten out of ten. I love it when we get there.
How would you rate customer service and support?
Positive
Which solution did I use previously and why did I switch?
It has been very long since I started working with these types of solutions. I have used them all.
How was the initial setup?
We use it in the cloud. We use it on-prem. We use it in a hybrid situation. We use all cloud providers.
Its deployment has always been simple.
What about the implementation team?
I am a consultant and integrator.
What was our ROI?
For us, our ROI is the predictability of Red Hat. We know what is coming. It is well-communicated. We could see the upstreams. We know how it is supported. We know how they communicate about CVEs and things like that. We know how to iterate the ecosystems. We know how to deal with RPMs. Very rarely, you are like, "This is brand new." It always usually works into a construct. There is always a utility that you can use to wrap complex things, such as SELinux or containers. There is always something.
Which other solutions did I evaluate?
We have done bake-offs before with the big three that everybody talks about. There is Red Hat. There is SUSE, and there is Ubuntu. Personally, I am not a fan of Ubuntu. I do not run a desktop, which is probably why. The ones that I run into all the time are SUSE or Red Hat Enterprise Linux.
What other advice do I have?
If I were not going with Red Hat Enterprise Linux, I would go with a Red Hat Enterprise Linux clone. In business, I would always use Red Hat. Personally, I would use CentOS just because I prefer the way Red Hat organizes everything, so it has always been Red Hat or a Red Hat clone.
I would rate Red Hat Enterprise Linux a ten out of ten. I love it.