Base de Conhecimento

How to delete orphaned replicasets with Kubernetes?

https://stackoverflow.com/questions/59861523/how-to-delete-orphaned-replicasets-with-kubernetes

kubectl delete replicaset $(kubectl get replicaset -o jsonpath='{ .items[?(@.spec.replicas==0)].metadata.name }')

Gabage Collection of registry

(kubectl exec --tty --stdin $(kubectl get pods --selector "app=registry" --output=name) -n default -- registry garbage-collect /etc/docker/registry/config.yml --delete-untagged=true; exit 0)

Timer for running jobs

sudo apt install at

sudo systemctl enable --now atd

echo "hello" | at 5PM
echo "hello" | at now +5 minutes

kubectl shell completion

source <(kubectl completion bash) # configuração de autocomplete no bash do shell atual, o pacote bash-completion precisa ter sido instalado primeiro.
echo "source <(kubectl completion bash)" >> ~/.bashrc # para adicionar o autocomplete permanentemente no seu shell bash.

source <(kubectl completion zsh)  # configuração para usar autocomplete no terminal zsh no shell atual
echo '[[ $commands[kubectl] ]] && source <(kubectl completion zsh)' >> ~/.zshrc # adicionar auto completar permanentemente para o seu shell zsh

kubectl aliases

alias k=kubectl
complete -o default -F __start_kubectl k

docker save my/local-image:v1.2.3 | sudo k3s ctr images import -