Henry Xie 's blog
Thursday, February 20, 2020
Example of Pod Security Policy for Apache Httpd in OKE
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Requirement: As Pod Security Policy is enabled in Kubernetes Cluster, we need a PSP (Pod Security Policy) for Apache Httpd Server. How to ...
Wednesday, February 19, 2020
Error: cannot delete Pods with local storage when kubectl drain in OKE
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Symptom In the Kubernetes world, we often need to upgrade Kubernetes Master nodes and worker nodes themselves. In OKE (Oracle Kubernetes ...
Tuesday, February 18, 2020
Tip: A few commands to triage Kubernetes Network related Issues
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tcptraceroute 100.95.96.3 53 nc -vz 147.154.4.38 53TCP port nc -vz -u 147.154.4.38 53 UDP port tcpdump -ni ens3 port 31530 for p in ...
Thursday, February 13, 2020
Tip: Calico BGP IP AUTODETECTION Issue and Troubleshoot in OKE
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Symptoms: We follow Calico doc to deploy a Calico instance. After that, Calico Nodes are always not ready though the pods are up and ...
Wednesday, February 12, 2020
Cross Namespace Ingress Usage Example in OKE
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Requirement: The normal use case to create ingress is to create one in the application namespace where application services and TLS...
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