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SOLVED: rke2-agent-3 systemd[1]: Failed to start Rancher Kubernetes Engine v2 (agent) invalid kernel parameter

root@:/etc/rancher/rke2# sudo systemctl status rke2-agent ● rke2-agent.service - Rancher Kubernetes Engine v2 (agent) Loaded: loaded (/usr/local/lib/systemd/system/rke2-agent.service; enabled; vendor preset: enabled) Active: activating (auto-restart) (Result: exit-code) since Wed 2023-11-29 13:37:29 CET; 1min 2s ago Docs: https://github.com/rancher/rke2#

Helm install OpenSearch Cluster with persistence to local disk + Hunspell

kubectl apply -f values.yaml values.yaml # Only create this for K8s 1.9+ apiVersion: storage.k8s.io/v1 kind: StorageClass metadata: name: local-storage provisioner: kubernetes.io/no-provisioner volumeBindingMode: WaitForFirstConsumer # Supported policies: Delete, Retain reclaimPolicy: Retain --- apiVersion: v1 kind: PersistentVolume metadata: name: opensearch-agent-1 spec: accessModes: - ReadWriteOnce capacity: storage:

Helm install Bitnami MariaDB Galera to hostPath

$ kubectl apply -f pvc.yaml --- kind: Namespace apiVersion: v1 metadata: name: mariadb-galera-new --- apiVersion: v1 kind: PersistentVolume metadata: name: mariadb-galera-new-pv namespace: mariadb-galera-new spec: storageClassName: manual # mountOptions: # - dir_mode=0777 # - file_mode=0777 capacity: storage: 40Gi accessModes: - ReadWriteOnce persistentVolumeReclaimPolicy: Retain hostPath: path: "/bitnami/mariadb-galera-new/" ---

Cert Manager upgrade from Rancher shows only latest version

You have to modify chart metadata and add two annotations: catalog.cattle.io/ui-source-repo: jetstack and catalog.cattle.io/ui-source-repo-type: cluster You can modify annotations in API view And VOILA!

SOLVED - Rancher upgrade failed - no matches for kind "Issuer" in version "cert-manager.io/v1beta1"

Error: UPGRADE FAILED: current release manifest contains removed kubernetes api(s) for this kubernetes version and it is therefore unable to build the kubernetes objects for performing the diff. error from kubernetes: unable to recognize "": no matches for kind "Issuer" in version "cert-manager.io/v1beta1&

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