I reinstalled the DNS plugin because name resolution stopped working in Kubernetes (Microk8s)
2023-07-03 11:04 (1 years ago)
ytyng
While using MicroK8s, external communication from the Pods stopped working.
There was code that communicated externally via SSH, but it resulted in the following error:
ssh: Could not resolve hostname server.example.com: Try againOther Pods also experienced issues with DNS resolution, either failing completely or being very slow.
Reinstalling the DNS plugin (reconfiguring the DNS server) in MicroK8s resolved the issue.
$ microk8s disable dns
$ microk8s enable dns:1.1.1.1Supplementary: Debugging DNS in Kubernetes Debugging DNS Resolution | Kubernetes
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