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doc: update docs/kubernetes.md (#373)
语法错误,正确的语法为
增加
kubectl label nodes <node-name> <label-key>=<label-value>
删除
kubectl label nodes <node-name> <label-key>-
修改Label的值
kubectl label nodes <node-name> <label-key>=<label-value> --overwrite 67bc79e60b
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@ -159,8 +159,9 @@
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<pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">$ kubectl taint <span class="token punctuation">[</span>node_name<span class="token punctuation">]</span> <span class="token punctuation">[</span>taint_name<span class="token punctuation">]</span>
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</span></code></pre>
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</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="标签"><a aria-hidden="true" tabindex="-1" href="#标签"><span class="icon icon-link"></span></a>标签</h3><div class="wrap-body">
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<pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">$ kubectl label <span class="token punctuation">[</span>node_name<span class="token punctuation">]</span> <span class="token assign-left variable">disktype</span><span class="token operator">=</span>ssd
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</span><span class="code-line">$ kubectl label <span class="token punctuation">[</span>pod_name<span class="token punctuation">]</span> <span class="token assign-left variable">env</span><span class="token operator">=</span>prod
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<pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">$ kubectl label nodes <span class="token operator"><</span>node-name<span class="token operator">></span> <span class="token operator"><</span>label-key<span class="token operator">>=</span><span class="token operator"><</span>label-value<span class="token operator">></span> <span class="token comment">#增加</span>
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</span><span class="code-line">$ kubectl label nodes <span class="token operator"><</span>node-name<span class="token operator">></span> <span class="token operator"><</span>label-key<span class="token operator">></span>- <span class="token comment">#删除</span>
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</span><span class="code-line">$ kubectl label nodes <span class="token operator"><</span>node-name<span class="token operator">></span> <span class="token operator"><</span>label-key<span class="token operator">>=</span><span class="token operator"><</span>label-value<span class="token operator">></span> <span class="token parameter variable">--overwrite</span> <span class="token comment">#修改</span>
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</span></code></pre>
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</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="维护可调度"><a aria-hidden="true" tabindex="-1" href="#维护可调度"><span class="icon icon-link"></span></a>维护/可调度</h3><div class="wrap-body">
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<pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">$ kubectl cordon <span class="token punctuation">[</span>node_name<span class="token punctuation">]</span> <span class="token comment"># 节点维护</span>
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