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Rancher/k3s is used a lot in many places as well.
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There’s also harvester on top of rancher. It’s one of the very few open source competitors to RedHats OpenShift that I’m aware of.

I mostly like their use of an immutable OS as base layer for the virtualization - despite the limitations it sometimes has.

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Harvester is just Kubevirt with some UI atop it, the same as Redhat Virt. Works fine if you’re hosting datacenters or whatever, haven’t seen it be suitable in smaller manufacturing environment
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Over 60% are SUSE?! Sorry, but I’m with everyone else…

I remember since the start that SUSE was more popular in Europe, but no way would that be the case in the US. If anything, I’d be willing to put my money on > 60% of Linux installs being RHEL/Centos rather than SUSE

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You could get the number wrong. The quote stated that 60% of the companies use Suse to power some of the workloads. So if most of these companies would use Suse to host SAP, some have a few teams using Rancher and some (more so in Europe ) are using Sles you still get to these numbers even if most of them use RedHat for most of their workloads.
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Why would they lie? Hacker News simply has this bizarre blind spot about what Fortune 500 companies do and what computers are that run Linux. One of their biggest customers is Chick-fil-a using k3s for the their point-of-sale network. I'm sure there are approximately zero employees interacting with the system that realize that, but it's still there.

Also, from my own experience, SUSE used to have nearly all of the US geointelligence processing because of the HPC connection mentioned elsewhere with CrayOS, but that went away when DNI forced everyone onto the CIA's private AWS service, which only had RHEL AMIs available. The national labs and more niche intelligence processing that can't run in the kinds of machines AWS provides still make heavy use of it.

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