Uyuni might be a bit more popular than Device42. We know about 1 link to it since March 2021 and only 1 link to Device42. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
This, essentially, is how you will find every single environment, in my experience. The first thing I would do is use something like device42.com to discover my environment. They have a free trial, and the license cost for 1-100 servers is only $1500. That (or any similar tool) will give you a baseline of what you're working with in a centralized database. Using that, you can get a much better idea of what's going... Source: 12 months ago
Uyuni (https://uyuni-project.org), SUSE fork of Spacewalk and Upstream of SUSE Manager. But CentOS 6 will be a problem because it's EOL. I suggest to setup Uyuni, attach all Systems which are not yet EOL and take care about the EOL Systems via Ansible or whatever else you prefer and as soon they are running an up to date OS attach them to Uyuni as well. Source: almost 2 years ago
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