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yum remove nodejs <span class="token function">npm</span> <span class="token parameter variable">-y</span>
//删除残余文件
<span class="token function">rm</span> <span class="token parameter variable">-rf</span> /usr/local/bin/npm /usr/local/share/man/man1/node.1 /usr/local/lib/dtrace/node.d /home/<span class="token punctuation">[</span>homedir<span class="token punctuation">]</span>/.npm /home/root/.npm
//安装默认的npm
yum <span class="token function">install</span> <span class="token function">npm</span>
</code></pre></div><h2 id="升级nodejs">升级nodejs <a href="#升级nodejs" class="header-anchor">#</a></h2> <div class="language-bash extra-class"><pre class="language-bash"><code>//安装 n , n是nodejs管理工具
<span class="token function">npm</span> <span class="token function">install</span> <span class="token parameter variable">-g</span> n
//安装指定nodejs
n latest
或者
n <span class="token number">10.16</span>.3
//切换nodejs
n
ο  node/10.16.3
//查看版本 
<span class="token function">node</span> <span class="token parameter variable">-v</span>
<span class="token function">npm</span> <span class="token parameter variable">-v</span>
</code></pre></div><h2 id="解决切换失败问题">解决切换失败问题 <a href="#解决切换失败问题" class="header-anchor">#</a></h2> <div class="language-bash extra-class"><pre class="language-bash"><code><span class="token function">vim</span> /etc/profile
<span class="token function">vim</span> /etc/bashrc

//添加以下环境变量
<span class="token builtin class-name">export</span> <span class="token assign-left variable">N_PREFIX</span><span class="token operator">=</span>/usr/local <span class="token comment">#node实际安装位置</span>
<span class="token builtin class-name">export</span> <span class="token assign-left variable"><span class="token environment constant">PATH</span></span><span class="token operator">=</span><span class="token variable">$N_PREFIX</span>/bin:<span class="token environment constant">$PATH</span>

//执行source刷新配置
<span class="token builtin class-name">source</span> /etc/profile
<span class="token builtin class-name">source</span> /etc/bashrc
</code></pre></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">上次更新:</span> <span class="time">2023/4/12 下午5:00:18</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev"><a href="/docs/tip/nginx-rtmp.html" class="prev"><i aria-label="icon: left" class="anticon anticon-left"><svg viewBox="64 64 896 896" focusable="false" data-icon="left" width="1em" height="1em" fill="currentColor" aria-hidden="true"><path d="M724 218.3V141c0-6.7-7.7-10.4-12.9-6.3L260.3 486.8a31.86 31.86 0 0 0 0 50.3l450.8 352.1c5.3 4.1 12.9.4 12.9-6.3v-77.3c0-4.9-2.3-9.6-6.1-12.6l-360-281 360-281.1c3.8-3 6.1-7.7 6.1-12.6z"></path></svg></i>
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