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K3s – Lightweight Kubernetes

k3s.io

91–100 of 196 posts

Re: K3s – Lightweight Kubernetes

#91
post #18

Loving K3S so far, I've got a "homelab" of 4 RPis running it and so far it has been pretty seamless experience.

This was my introduction to K3s as well. RPis running K3s with enough resources left over to actually do some small tasks. I hosted a small data pipeline that analyzed trading data from an MMO. It was as fun as it was impractical, and I learned quite a bit.

Re: K3s – Lightweight Kubernetes

#92

I've been using a 3 nuc (actually Ryzen devices) k3s on SuSE MicroOS https://microos.opensuse.org/ for my homelab for a while, and I really like it. They made some really nice decisions on which parts of k8s to trim down and which Networking / LB / Ingress to use. The option to use sqlite in place of etcd on an even lighter single node setup makes it super interesting for even lighter weight homelab container environ…

Kudos to you. I feel like setting things up on real hardware is somehow needed in order to make things concrete enough to full understand. At least for me (I fully admit this may be a personal flaw) working with a vm on in the cloud is a little too abstract - even though eventually this is where things will land.

Re: K3s – Lightweight Kubernetes

#93
post #17

"Lightweight Kubernetes" and then a graph involving 2 different nodes with 10+ services running on them. Nomad seems to be a truly "lightweight Kubernetes" and for the small amount of time I've been using it, it seems to do it's job really well and it's easy to understand all the moving pieces without spending countless of hours reading docs and source code. Although, it's hard to recommend Nomad for future uses as i…

> "Lightweight Kubernetes" and then a graph involving 2 different nodes with 10+ services running on them. Among its many strengths, core services for running Kubernetes running inside Kubernetes itself is one of its greatest. > it's easy to understand all the moving pieces It's legit to leverage your pre-existing knowledge. Nomad + Linux Pets + Other Hashichorp Pets works well. There are many ways to run an applicat…

"Machine Cattle"?

Re: K3s – Lightweight Kubernetes

#94
post #85
post #17

"Lightweight Kubernetes" and then a graph involving 2 different nodes with 10+ services running on them. Nomad seems to be a truly "lightweight Kubernetes" and for the small amount of time I've been using it, it seems to do it's job really well and it's easy to understand all the moving pieces without spending countless of hours reading docs and source code. Although, it's hard to recommend Nomad for future uses as i…

Nomad seems to be a truly "lightweight Kubernetes" k3s requirements: 1 node, 512MB RAM, 1 CPU core Nomad requirements: "Nomad servers may need to be run on large machine instances. We suggest having between 4-8+ cores, 16-32 GB+ of memory, 40-80 GB+ of fast disk and significant network bandwidth." https://docs.k3s.io/installation/requirements https://developer.hashicorp.com/nomad/docs/install/productio...

Hashicorp is playing safe here, Nomad can do with far far less resources.

Re: K3s – Lightweight Kubernetes

#95
post #17

"Lightweight Kubernetes" and then a graph involving 2 different nodes with 10+ services running on them. Nomad seems to be a truly "lightweight Kubernetes" and for the small amount of time I've been using it, it seems to do it's job really well and it's easy to understand all the moving pieces without spending countless of hours reading docs and source code. Although, it's hard to recommend Nomad for future uses as i…

I think the tagline can be a bit misleading, you can run k3s on devices traditionally considered IoT (like the raspberry pi) but it will run on big heavy x86 servers too.

Re: K3s – Lightweight Kubernetes

#96
post #85

Earlier quoted context omitted.

Nomad seems to be a truly "lightweight Kubernetes" k3s requirements: 1 node, 512MB RAM, 1 CPU core Nomad requirements: "Nomad servers may need to be run on large machine instances. We suggest having between 4-8+ cores, 16-32 GB+ of memory, 40-80 GB+ of fast disk and significant network bandwidth." https://docs.k3s.io/installation/requirements https://developer.hashicorp.com/nomad/docs/install/productio...

Hashicorp is playing safe here, Nomad can do with far far less resources.

That can be said of many systems, does hashicorp document it though? I’m guessing they must, otherwise that would be the first thing you hear on the other side of a support call.

Re: K3s – Lightweight Kubernetes

#97
post #17

"Lightweight Kubernetes" and then a graph involving 2 different nodes with 10+ services running on them. Nomad seems to be a truly "lightweight Kubernetes" and for the small amount of time I've been using it, it seems to do it's job really well and it's easy to understand all the moving pieces without spending countless of hours reading docs and source code. Although, it's hard to recommend Nomad for future uses as i…

K3s uses the exact same API as Kubernetes. Nomad does not.

The idea is to more easily get going with Kubernetes, not to provide an alternative. Nomad and K3s serve a completely different use case.

Re: K3s – Lightweight Kubernetes

#98
Lightweight is a misnomer. Running even the most basic of tasks requires an insanely complex setup with vxlan, unintelligible iptables and bridge rules, all taking up a great deal of resources on something like an embedded x86/arm devices

Re: K3s – Lightweight Kubernetes

#99
post #34

Interestingly, SUSE now owns Rancher [0], so k3s has been backed by a large company for some time now. I've never tried k3s, but I have always thought it's probably the most loved-by-its-users version of Kubernetes. [0] https://www.suse.com/news/suse-completes-rancher-acquisition...

If you want to easily try it out, we baked it into Rancher Desktop [1]. RD let's you run Kubernetes (via k3s) and containers on your desktop. You pick the k8s version. [1] https://rancherdesktop.io/ Disclosure, I work for SUSE and started Rancher Desktop.

I love Rancher Desktop. Thank you!
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