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VMs or containers? (lemmy.world)

submitted 3 years ago by rpn@lemmy.world to c/selfhosted@lemmy.world

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I'm thinking about starting a self hosting setup, and my first thought was to install k8s (k3s probably) and containerise everything.

But I see most people on here seem to recommend virtualizing everything with proxmox.

What are the benefits of using VMs/proxmox over containers/k8s?

Or really I'm more interested in the reverse, are there reasons not to just run everything with k8s as the base layer? Since it's more relevant to my actual job, I'd lean towards ramping up on k8s unless there's a compelling reason not to.

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[–] aksdb@feddit.de 1 points 3 years ago

They don’t need to be 3 different physical hosts: they could be VM (hosted on Proxmox).

That is fine for training purposes, but not for real hosting. You typically don't guard against software crashes, but against hardware failures/outages. And this it not given with all three nodes on the same physical system.

In that case you can simply skip the HA setup and go with a single node. Or not use k8s at all and just manage containers using ansible and systemd or whatever.