Microk8s DNS Troubleshooting - Revision history

Busk at 02:18, 12 October 2021

2021-10-12T02:18:49Z

2021-10-12T02:18:26Z

2021-10-11T05:07:52Z

2021-10-11T05:05:36Z

2021-10-11T03:04:17Z

2021-10-11T03:03:10Z

Created page with "https://github.com/ChristofSchwarz/qseok_on_Microk8s/issues/1"

New page

https://github.com/ChristofSchwarz/qseok_on_Microk8s/issues/1

@@ Line 8: / Line 8: @@
 ```
     for i in {1..3}; do
        echo "dnsutils$i"

← Older revision		Revision as of 02:18, 12 October 2021
Line 1:		Line 1:
		+	https://github.com/ubuntu/microk8s/issues/1484
		+
		+	Calico vxlan not working
		+
		+	snap remove microk8s && snap install microk8s && rejoin
		+
		+	sudo tcpdump -vvni any port 4789
		+
		+	```
		+	for i in {1..3}; do
		+	echo "dnsutils$i"
		+	kubectl -n default run dnsutils$i --image=gcr.io/kubernetes-e2e-test-images/dnsutils:1.3 -- sleep 3600
		+	sleep 20
		+	kubectl -n default exec -i -t dnsutils$i -- nslookup cisco.com
		+	done
		+	```
		+
		+
	https://github.com/ChristofSchwarz/qseok_on_Microk8s/issues/1		https://github.com/ChristofSchwarz/qseok_on_Microk8s/issues/1

@@ Line 12: / Line 12: @@
 kubectl delete pod -n kube-system -l k8s-app=kube-dns
 ```
 .152.183.10 cluster ip address

← Older revision		Revision as of 05:05, 11 October 2021
Line 12:		Line 12:
	kubectl delete pod -n kube-system -l k8s-app=kube-dns		kubectl delete pod -n kube-system -l k8s-app=kube-dns
	```		```
		+
		+	10.152.183.10 cluster ip address

← Older revision		Revision as of 03:04, 11 October 2021
Line 1:		Line 1:
	https://github.com/ChristofSchwarz/qseok_on_Microk8s/issues/1		https://github.com/ChristofSchwarz/qseok_on_Microk8s/issues/1
		+
		+
		+	```
		+	Get current configuration of KubeDNS (coredns)
		+	kubectl describe configmap coredns -n kube-system
		+
		+	Check the logs of coredns
		+	kubectl logs --selector k8s-app=kube-dns -n kube-system
		+
		+	Restart the coredns pod:
		+	kubectl delete pod -n kube-system -l k8s-app=kube-dns
		+	```