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Hi ! I'm also interested in this answer 🙂 Auto-created namespaces make

k get ns

list hardly readable in cli, even with few users/projects.

You don't… they store resources related to each p(roject) or u(ser) and namespaces are the only reasonable mechanism to do RBAC for that. (And beyond toy installations, Rancher is mostly meant to be the only thing running in the cluster it's installed in, which would limit reasons to be seeing them)

Thanks for the explanation

Thanks @full-painter-23916 for the info, even if Rancher is the only one installed on the cluster, there is of course a bunch of apps also deployed that we have to manage (cert-manager, ingress-controller, logs-shipper, monitoring, etc.)