打印 kubeadm 的版本
kubeadm version [flags]
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<td colspan="2">-h, --help</td>
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help for version
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version 操作的帮助命令
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<td colspan="2">-o, --output string</td>
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Output format; available options are 'yaml', 'json' and 'short'
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输出格式;可用的选项有 'yaml', 'json' 和 'short'
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<td colspan="2">--rootfs string</td>
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[EXPERIMENTAL] The path to the 'real' host root filesystem.
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[实验] 指向 '真实' 宿主机根文件系统的路径。
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