Kubernetes Tips

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alias k="kubectl"
alias kc="kubectl config get-contexts"
alias kn="kubectl config set-context --current --namespace"

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export do="--dry-run=client -o=yaml"

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set tabstop=2
set expandtab
set shiftwidth=2

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systemctl daemon-reload

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k get sts

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k top node
k top pod --container=true

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k replace -f nginx.yaml --force

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k describe node <node-name>

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cat /etc/kubernetes/manifests/kube-apiserver.yaml

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k get ev

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k api-resources

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k describe pod | less -p Requests

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k get pods -o=jsonpath="{range .items[*]}{.metadata.name} {.status.qosClass}{'\n'}"

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k run tmp-api-contact --image=curlimages/curl:7.65.3 $do --command > curl.yaml -- sh -c 'sleep 1d'

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k delete pod nginx --grace-period 0 --force

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ssh cluster1-worker1 "docker ps | grep tigers-reunite"
ssh cluster1-worker1 "docker logs a934ce61f4d4" &> /opt/course/17/pod-container.log