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Is there any way to exclude new nodes to a K3S cluster from being longhorn storage nodes?
1 project | reddit.com/r/rancher | 3 Dec 2021
You can use node selector rules to force Longhorn to use some nodes for storage. You can also add taints to create dedicated storage nodes. Please see the GitHub link listed below. https://github.com/longhorn/longhorn/issues/1633
Separating storage and worker nodes with Longorn
1 project | reddit.com/r/rancher | 25 Nov 2021
In Longhorn GUI the volume shows as Detached. It would attach if I do is manually but that makes no impact to the Pod. I've seen people having similar issues in 2614 and have tried with create-default-disk-on-labeled-nodes but that does not seem to work the way I would like to. If I deploy without nodeSelector and disable scheduling on worker nodes it works fine.
Building a "complete" cluster locally
24 projects | reddit.com/r/kubernetes | 31 Oct 2021
rook/longhorn for distributed storage
Dynamic storage class in K3s on docker
2 projects | reddit.com/r/kubernetes | 15 Oct 2021
Longhorn is exactly what you're looking for. It's easy to set up and backs up to NFS.
Rancher Desktop, a Docker Desktop Replacement
14 projects | news.ycombinator.com | 11 Oct 2021
More than performance, I am worried about security. They don't seem to have considered it at all when building it: https://github.com/longhorn/longhorn/issues/1983
Probably not a good recommendation until this hole is plugged.14 projects | news.ycombinator.com | 11 Oct 2021
They've also got Longhorn, a distributed container-attached storage solution that's very simple to understand and easy to deploy. Performance is another thing but that's the same with all of the general networked storage solutions (Ceph included).
Rancher's got a well deserved good impression in my mind, though early on I avoided it since it seemed like they were building a walled garden.
Should We Replace Docker Desktop With Rancher Desktop?
6 projects | reddit.com/r/kubernetes | 11 Oct 2021
All of their projects have been fully open, monetized with enterprise support. They straight up fully donated their storage project to the CNCF. They've been good stewards of all the tools so far with ones like k3s greatly benefitting the community. And have put a decent amount of effort into putting resources supporting issues on even non-paid issues on the GitHub projects.
ZFS and Ceph
2 projects | reddit.com/r/zfs | 22 Sep 2021
Also just in case the above wasn't enough I'm probably actually going to run Longhorn because it's just SO much easier than Ceph to manage and gives me the availability for a ~40% perf loss AFAIK.
Those running Kubernetes, what is in your core stack? And what "gem" can you not live without?
8 projects | reddit.com/r/homelab | 19 Sep 2021
Longhorn for Kubernetes storage. It lets me automatically provision PersistentVolumes and snapshot/back them up to S3. I've read that other things such as Ceph and Rook are more stable and I've definitely been bit by some non-critical bugs, but the project is very active and bugs are squashed quickly (though they don't release very frequently). This is the gem I can't live without, being able to snapshot, backup and restore things like my Plex volume has saved me at least a dozen times already.
Selfhosted storage recommendation
1 project | reddit.com/r/selfhosted | 18 Sep 2021
Another consideration is using something like https://longhorn.io/, it's a bit like ceph, and supports mirroring over two nodes
Using Github Actions to Deploy a React App and Express API Using Rsync in 15 seconds
4 projects | dev.to | 4 Dec 2021
My biggest requirements are simplicity and speed. I have used Docker, Kubernetes, Docker Swarm, and various other methods of deployment in the past. I recognize these tools have their advantages, but have found that for small to medium sized projects they are more effort than they are worth to maintain.
Troubleshooting deployment of k3s to Raspberry Pi cluster
1 project | reddit.com/r/k3s | 25 Nov 2021
That error message seems to give much more results, such as: https://github.com/kubernetes/kubernetes/issues/36575
Release Kubernetes v1.23.0-rc.0 · kubernetes/kubernetes
1 project | reddit.com/r/devopsish | 24 Nov 2021
Switching server machines on demand?
3 projects | reddit.com/r/admincraft | 24 Nov 2021
I mean and this is a weird idea, you could use Kubernetes and create a multi node cluster. the idea is that you would create a storage volume that is shared and sharded across all nodes in the cluster and then when one system fails, you can shift the traffic(using Ingress) to the other node where the container will then start to rebuild. It's a pretty complicated system but you can try that. You do need some basic concepts of server administration and configuration though.
Magikcraft – Teaching Kids to Program Using Minecraft with Joshua Wulf
3 projects | dev.to | 24 Nov 2021
Ali: Wow. Wait. Okay, so you really do everything. And something that was super interesting to me that you just said was that you studied and learned everything. You were building your own training plans and things like that. And I want to take this back to coding a little bit. And say you're talking to me here. You are literally talking to me. And right now, I'm trying to dive into Kubernetes. It's very overwhelming, and there's so much to it. So if you were in my shoes, how would you approach this problem? Because when you approach a new subject, new world, there are ways that you approach the problem to learn. So what does your approach generally look like?
"PLEASE DO NOT ATTEMPT TO SIMPLIFY THIS CODE. KEEP THE SPACE SHUTTLE FLYING." | kubernetes/pv_controller.go at 5a81905f772c28dc4c8f5d2cb2e5bfc48c422f41 · kubernetes/kubernetes
1 project | reddit.com/r/devopsish | 24 Nov 2021
Space Shuttle Style
1 project | news.ycombinator.com | 23 Nov 2021
Golang Design Patterns in Kubernetes Codebase
7 projects | dev.to | 22 Nov 2021
Cloud server architecture
1 project | reddit.com/r/selfhosted | 21 Nov 2021
The main site is at https://kubernetes.io. There's really good docs, which is sweet!
Doorbell Chime on HomePod
1 project | reddit.com/r/HomeKitAutomation | 21 Nov 2021
You know what, you are right. There isn't an "easy" way to do it. When I installed home assistant on my Pi, I actually just opted for a supervised instance running in Docker. Which IS supported. But is like, running home assistant on hard mode if you don't know how Docker works :) (waiting for it to come to Kubernetes for the real fun to begin.)
What are some alternatives?
rook - Storage Orchestration for Kubernetes
Apache ZooKeeper - Apache ZooKeeper
Rundeck - Enable Self-Service Operations: Give specific users access to your existing tools, services, and scripts
Juju - Universal Operator Lifecycle Manager (OLM) for Kubernetes operators, and operators for traditional Linux and Windows apps, with declarative integration between operators for automated microservice integration.
consul - Consul is a distributed, highly available, and data center aware solution to connect and configure applications across dynamic, distributed infrastructure.
BOSH - Cloud Foundry BOSH is an open source tool chain for release engineering, deployment and lifecycle management of large scale distributed services.
Nomad - Nomad is an easy-to-use, flexible, and performant workload orchestrator that can deploy a mix of microservice, batch, containerized, and non-containerized applications. Nomad is easy to operate and scale and has native Consul and Vault integrations.
zfs-localpv - CSI Driver for dynamic provisioning of Persistent Local Volumes for Kubernetes using ZFS.
bosun - Time Series Alerting Framework
SaltStack - Software to automate the management and configuration of any infrastructure or application at scale. Get access to the Salt software package repository here:
Packer - Packer is a tool for creating identical machine images for multiple platforms from a single source configuration.
k3sup - bootstrap Kubernetes with k3s over SSH < 1 min 🚀