k8s tab自动补全失效

安装K8S 集群后 发现使用kubectl无法使用tab 键补全命令

yum install -y bash-completion

echo ". /usr/share/bash-completion/bash_completion" >> /root/.bash_profile
echo ". <(kubectl completion bash)" >> /root/.bash_profile
echo "source <(kubectl completion bash)" >> ~/.bashrc

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