Archive
Every article and guide on Support Tools, newest first.
How to disable systemd-resolved in Ubuntu
1 min readsystemd-resolved can cause issues with Kubernetes (not to mention the time spent troubleshooting various issues).
How to resolve a service stuck in Removing in Rancher v1.6
2 min readIn Rancher v1.6, sometimes a service can be stuck in a removing state. All containers of this service were already deleted in the user interface. I verified this on the Docker …
How to change etcd cipher suite in Rancher / RKE
2 min readThis article will walk Rancher administrators through hardening the cluster communication between etcd nodes. We’ll go over configuring etcd to use specific ciphers which enable …
How to add additional scrape configs to a Rancher cluster or project monitoring Prometheus
2 min readThe Rancher cluster and project monitoring tools, allow you to monitor cluster components and nodes, as well as workloads and custom metrics from any HTTP or TCP/UDP metrics …
How to increase the log level of Kubernetes components in an RKE CLI or Rancher provisioned Kubernetes cluster
3 min readWhen troubleshooting an issue with an RKE CLI or Rancher provisioned Kubernetes cluster, it may help to increase the verbosity of logging on one or more of the Kubernetes …
How to block specific user agents from connecting through the nginx ingress controller
2 min readAt times it’s necessary to block specific user agents from connecting to workloads within your cluster. Whether it’s bad actors or for compliance reasons, we’ll go through how to …
How to enable Envoy access logging in Rancher v2.3+ deployed Istio
1 min readThis article details how to enable Envoy’s access logging, for Rancher deployed Istio, in Rancher v2.3+
How to retrieve a kubeconfig from RKE v0.2.x+ or Rancher v2.2.x+
2 min readDuring a Rancher outage or other disaster event, you may lose access to a downstream cluster via Rancher and be unable to manage your applications. This process allows to bypass …