June 2022
Intermediate to advanced
260 pages
5h 34m
English
Content preview from Consul: Up and Running
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Appendix. Common Errors
This is a list of errors you may encounter during the course of the exercises and how to fix them. Most of these errors are caused by the minikube cluster or Vagrant VM restarting.
| Error | Solution |
|---|---|
On Kubernetes you get an error: Internal error occurred: failed calling webhook mutate-... Post https://consul-controller-... x509: certificate signed by unknown authority |
Restart the webhook certificate manager: $ kubectl rollout restart \
deploy/consul-webhook-cert-manager \
-n consul |
On Kubernetes, services are not showing up in the UI. |
Check the Consul client logs: $ kubectl logs -l component=client -n consul If you see $ kubectl rollout restart ds/consul-client \
-n consul |
On Kubernetes, the state of the ingress gateway pod is stuck at Init. |
Ensure minikube tunnel is running. |
You get a |
Restart the On Kubernetes, run: $ kubectl rollout restart deployment/frontend On VMs, run: $ sudo systemctl restart frontend |
Metrics aren’t showing up in Consul UI or Grafana. |
Restart Prometheus. On Kubernetes, run: $ kubectl rollout restart \
deploy/prometheus-server -n consul
On VMs, run: $ sudo systemctl restart prometheus |
On VMs, you get an error accessing Birdwatcher: upstream connect error or disconnect/reset before headers. reset reason: connection failure, transport failure reason: TLS error:.. CERTIFICATE_VERIFY_FAILED ... |
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.