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Closed 1 year ago.
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I’m new to creating k8s clusters and have want to try it at home. Master would be x86-64, then I have a number of small arm based systems (armv7, armv8, etc.). Can I hook all of these up into a single cluster use kubeadm?
Yes, you can have multiple architectures of Nodes in a single cluster. kubeadm supports multiple architectures since 1.12. However, you will have to either use multi-arch images or build separate architecture-specific images for each architecture when deploying workloads.
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Closed 6 months ago.
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While provisioning a Kubernetes cluster using kubeadm, I get my nodes tagged as "none".I would like to know if there is an option to add a Role name manually for the node.
You can label the node by kubectl label node <name> key=value
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Closed 2 years ago.
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I'm trying to make a Kubernetes multi-cluster, and I need a unique value to distinguish between cluster.
Does Kubernetes provide a UID to distinguish each cluster?
If not, is the best way to separate each cluster by the UID of the kube-system namespace?
if you have multi cluster and in each cluster you have multi user and namespace, and you want to handle switching between them, it is better to use kubernetes contexts, https://kubernetes.io/docs/tasks/access-application-cluster/configure-access-multiple-clusters/
if you just need something unique about cluster, use certificate authority information(ca.crt or ca.key in /etc/kubernetes/pki/ directory). but be careful those files should be secured
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Closed 2 years ago.
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Is that possible to have IG in another account? We need to implement master multiaccount : 2 masters in 1 account and third master in second account. Is that possible from kops side?
You might be able to use kops terraform support in order to achieve that, but you'll have to perform some changes to the manifest.
Going down this path will probably remove a lot of the benefits for using kops, so there should be very good motives to implement such architecture.
Using kops alone will not allow this use case since it uses a single set of AWS credentials per cluster created.
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Closed 3 years ago.
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I'm trying learn etcd cluster and encountered "Bootstrapping an etcd cluster". I looked for online explanation but couldn't find any. Can anyone give explanation?
Kubernetes components are stateless and needs a data store to store cluster state. Bootstrapping etcd cluster means setting up ETCD cluster to store kubernetes components,deployments and other objects data
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Closed 4 years ago.
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I have to deploy an application on cloud which should support multi-tenancy.
The application should have authentication of users and display the customized UI on the basis of user.
I want to understand how Kubernetes or Kubernetes for GCP supports kubernetes.
I have tried to search of relevant material on internet.
kubernetes is a container orchestration engine that helps you deploy a container/pod, scaling, rolling upgrade, rollback etc.
application authentication and custom UI for different users needs to be handled in the application code. We have implemented similar functionality using angularjs frontend with postgreSQL as backend.
The app runs fine in kubernetes cluster.