My collection of favorite kubernetes commands
ℹ️ Protip: Add an alias in your terminal for kubectl to save time using kubernetes CLI
Powershell Alias
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Set-Alias -Name k -Value kubectl
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WSL/Linux Alias
Add the following lines in your ~/.bashrc file to apply alias
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alias k='kubectl'
# Autocomplete
source <(k completion bash | sed s/kubectl/k/g)
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And reload bashrc after applying with the following command:
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. ~/.bashrc
# OR source ~/.bashrc
# OR exec bash
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Kubectl run small busybox instance for debugging
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kubectl run -i --tty --rm alpine --image=alpine -- sh
#Enter pod after deployment
kubectl exec -i --tty busybox -- sh
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kubectl run -i mssql-tools --image=mcr.microsoft.com/mssql-tools
sqlcmd -S {SERVER_IP} -d {DB_NAME} -U {DB_USERNAME} -P {DB_PASSWORD}
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Troubleshoot K8S networking with Netshoot
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kubectl run --rm -i --tty debug --image=nicolaka/netshoot --restart=Never -- curl -H "Host: mysite.com" http://{Ingress_IP} -v
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Troubleshoot flux reconciliation
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kubectl get kustomizations.kustomize.toolkit.fluxcd.io -A
flux get ks -A
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Kubectl unseal secret
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kubectl get secret -n {NS_NAME} {SECRET_NAME} -o jsonpath='{.data.vault-root}'|base64 -d
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Kubectl see all verbs
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kubectl api-resources --no-headers --sort-by name -o wide | sed 's/.*\[//g' | tr -d "]" | tr " " "\n" | sort | uniq
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