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What the Linux desktop really needs to challenge Windows
(www.theregister.com)
This is a most excellent place for technology news and articles.
The other thing you'll need is for compliance and risk management frameworks (e.g. CMMC, ISO27001, CIS, etc.) to fully embrace Linux controls and environments. As of right now, it's a patchwork full of holes and if you need to demonstrate compliance, it's likely to be a lot more challenging running Linux workstations.