What is our primary use case?
We use Ubuntu Linux for deployments, infrastructure tasks, and for our developers. It is currently both on-prem and in the cloud. On-prem, there are a handful of machines and approximately 15 virtual machines in the cloud.
Most of the machines are somewhat tied to development purposes. We use it to host GitLab and an artifact repository. We also use it for mail relay to address some shortcomings in the exchange that we experience.
Ubuntu Linux is also used for Kubernetes and Docker development and production tasks. Most of the use cases of Ubuntu Linux are infrastructure related, with approximately 10 to 15 developers who also use it as a desktop.
For total number of users, there are 150 developers working with this solution and many more that use more specific services that are hosted on Ubuntu.
We plan to deploy a major application which will cater to all our testing and quality assurance people, which runs on Ubuntu on Linux.
What is most valuable?
The most valuable features of Ubuntu Linux is the reliability, the ease of package management, and the ease of upgrading from one version to the next.
With Ubuntu Linux you can set it and forget it. It requires low amount of administrative overhead.
What needs improvement?
I have certain misgivings about the policy of Ubuntu. They put business related packages into the universe branch of the distribution, which means that they will be upgraded without consideration for the package maintainer. Ubuntu Linux should put more of the applications and modules that are important for enterprise usage into the main branch, so updates could be more reliable.
Ubuntu is putting great efforts into making their platform a great hosting platform for Kubernetes and other related tools, but they are not addressing the challenges with what it takes to run Ubuntu in a large Windows-based environment. I recommend that Ubuntu Linux integrates more into active directory environments when it comes to authentication. There are solutions to make it run, but those are sometimes quite tedious, and it would be beneficial if Ubuntu Linux integrated more for large Windows-based environments.
For how long have I used the solution?
I have been working with Ubuntu since the first version was released.
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What do I think about the stability of the solution?
What do I think about the scalability of the solution?
With respect to scalability of Ubuntu Linux, you can use the same version on a machine with one CPU and one gig of RAM, and you could move this machine to a different VM with 64 CPUs and two terabyte of RAM and you just have to start it. Yes, it scales very well
If you scale up the machine, it will be faster almost by the amount that you scale up. It will not be 64 times faster with 64 CPUs, but it'll be like 55 times faster with 64 CPUs than with one.
Which solution did I use previously and why did I switch?
My background includes working with a variety of Linux and Unix versions ranging from IBM AIX, Oracle Solaris, and RedHat-based Linux Distributions. The environment had all the services that were offered by those machines streamlined in order to run only one distribution. It was a good experience for me, however others in the organization had concerns with running Linux.
How was the initial setup?
The initial setup of Ubuntu Linux is extremely easy. You cannot go wrong with the installation. Of course, you have to know a bit about Linux or Unix in order to know what you're doing.
What about the implementation team?
We implement in-house. I can manage, configure, and upgrade them all together and maintain them with two to three hours per week. That is all that is required to keep them running smoothly.
What's my experience with pricing, setup cost, and licensing?
We do not have any support agreements with Ubuntu, so we are using the free and open source version.
Which other solutions did I evaluate?
Ubuntu Linux is reliable, has easy package management and is easy to upgrade from one version to the next. Windows can not offer that. Ubuntu's deployments are easy with a very reliable machine, which Windows has shown that they can't do.
What other advice do I have?
If you are considering Ubuntu Linux, don't do it if you don't have knowledge of Linux.
I would rate this solution a 9 out of 10.
Which deployment model are you using for this solution?
Hybrid Cloud
Disclosure: My company does not have a business relationship with this vendor other than being a customer.