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Added k8s pod notes to the knowledge base

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Michele Cereda
2022-04-21 10:07:23 +02:00
parent 118465fa82
commit 78fd6f4025
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knowledge base/check a pod can connect to an external db.md Normal file
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# Check a Pod can connect to an external DB
## TL;DR
```shell
# access a test container
kubectl run --generator=run-pod/v1 --limits 'cpu=200m,memory=512Mi' --requests 'cpu=200m,memory=512Mi' --image alpine ${USER}-mysql-test -it -- sh
# install programs
apk --no-cache add mysql-client netcat-openbsd
# test plain connectivity
nc -vz -w3 10.0.2.15 3306
# test the client can connect
mysql --host 10.0.2.15 --port 3306 --user root
```