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<p>More info: <a href="https://hexo.io/docs/one-command-deployment.html">Deployment</a></p>
]]></content>
</entry>
<entry>
<title>script</title>
<url>/posts/34849.html</url>
<content><![CDATA[<h3 id="查看CPU、内存使用率"><a href="#查看CPU、内存使用率" class="headerlink" title="查看CPU、内存使用率"></a>查看CPU、内存使用率</h3><figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="meta">#!/bin/bash</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 定义颜色</span></span><br><span class="line">RED=<span class="string">&#x27;\033[0;31m&#x27;</span></span><br><span class="line">GREEN=<span class="string">&#x27;\033[0;32m&#x27;</span></span><br><span class="line">YELLOW=<span class="string">&#x27;\033[0;33m&#x27;</span></span><br><span class="line">BLUE=<span class="string">&#x27;\033[0;34m&#x27;</span></span><br><span class="line">NC=<span class="string">&#x27;\033[0m&#x27;</span> <span class="comment"># 无颜色</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">while</span> <span class="literal">true</span>; <span class="keyword">do</span></span><br><span class="line"> <span class="comment"># 获取所有进程的CPU使用率和内存使用率</span></span><br><span class="line"> cpu_usage=$(ps aux | awk <span class="string">&#x27;&#123;sum_cpu += $3&#125; END &#123;print sum_cpu&#125;&#x27;</span>)</span><br><span class="line"> mem_usage=$(ps aux | awk <span class="string">&#x27;&#123;sum_mem += $4&#125; END &#123;print sum_mem&#125;&#x27;</span>)</span><br><span class="line"> </span><br><span class="line"> <span class="comment"># 打印结果，带有时间戳、分隔线和颜色高亮</span></span><br><span class="line"> <span class="built_in">echo</span> -e <span class="string">&quot;<span class="variable">$&#123;BLUE&#125;</span>==============================<span class="variable">$&#123;NC&#125;</span>&quot;</span></span><br><span class="line"> <span class="built_in">echo</span> -e <span class="string">&quot;<span class="variable">$&#123;YELLOW&#125;</span>Timestamp: <span class="subst">$(date)</span><span class="variable">$&#123;NC&#125;</span>&quot;</span></span><br><span class="line"> <span class="built_in">echo</span> -e <span class="string">&quot;<span class="variable">$&#123;BLUE&#125;</span>==============================<span class="variable">$&#123;NC&#125;</span>&quot;</span></span><br><span class="line"> <span class="built_in">echo</span> -e <span class="string">&quot;<span class="variable">$&#123;GREEN&#125;</span>Total CPU usage: <span class="variable">$&#123;RED&#125;</span><span class="variable">$cpu_usage</span>%<span class="variable">$&#123;NC&#125;</span>&quot;</span></span><br><span class="line"> <span class="built_in">echo</span> -e <span class="string">&quot;<span class="variable">$&#123;GREEN&#125;</span>Total Memory usage: <span class="variable">$&#123;RED&#125;</span><span class="variable">$mem_usage</span>%<span class="variable">$&#123;NC&#125;</span>&quot;</span></span><br><span class="line"> <span class="built_in">echo</span> -e <span class="string">&quot;<span class="variable">$&#123;BLUE&#125;</span>==============================<span class="variable">$&#123;NC&#125;</span>&quot;</span></span><br><span class="line"> </span><br><span class="line"> <span class="comment"># 等待5秒后再次执行</span></span><br><span class="line"> <span class="built_in">sleep</span> 5</span><br><span class="line"><span class="keyword">done</span></span><br><span class="line"></span><br></pre></td></tr></table></figure>
<p><strong>保存脚本到&#x2F;usr&#x2F;local&#x2F;bin目录下</strong></p>
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="built_in">mv</span> usage.sh /usr/local/bin/usage</span><br></pre></td></tr></table></figure>
<h3 id="Shell脚本编写的基本信息"><a href="#Shell脚本编写的基本信息" class="headerlink" title="Shell脚本编写的基本信息"></a>Shell脚本编写的基本信息</h3><figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="meta">#! /bin/bash</span></span><br><span class="line"><span class="comment"># -------------------------------------------------</span></span><br><span class="line"><span class="comment"># Filename: test.sh</span></span><br><span class="line"><span class="comment"># Version: 1.0</span></span><br><span class="line"><span class="comment"># Date: 2024/05/02</span></span><br><span class="line"><span class="comment"># Author: shenjianZ</span></span><br><span class="line"><span class="comment"># Email: shenjianZLT@gmail.com</span></span><br><span class="line"><span class="comment"># Website: https://blog.shenjianl.cn</span></span><br><span class="line"><span class="comment"># Description: this is a test shell</span></span><br><span class="line"><span class="comment"># CopyRight: 2024 All rights reserved shenjianZ</span></span><br><span class="line"><span class="comment"># License GPL</span></span><br><span class="line"><span class="comment"># ------------------------------------------------</span></span><br><span class="line"></span><br><span class="line"></span><br><span class="line"><span class="comment"># Your script logic goes here</span></span><br></pre></td></tr></table></figure>]]></content>
</entry>
<entry>
<title>网络相关</title>
<url>/posts/41168.html</url>
<content><![CDATA[]]></content>
</entry>
<entry>
<title>page</title>
<url>/posts/1441.html</url>
@@ -28,13 +42,76 @@
]]></content>
</entry>
<entry>
<title>script</title>
<url>/posts/34849.html</url>
<content><![CDATA[<h3 id="查看CPU、内存使用率"><a href="#查看CPU、内存使用率" class="headerlink" title="查看CPU、内存使用率"></a>查看CPU、内存使用率</h3><figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="meta">#!/bin/bash</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 定义颜色</span></span><br><span class="line">RED=<span class="string">&#x27;\033[0;31m&#x27;</span></span><br><span class="line">GREEN=<span class="string">&#x27;\033[0;32m&#x27;</span></span><br><span class="line">YELLOW=<span class="string">&#x27;\033[0;33m&#x27;</span></span><br><span class="line">BLUE=<span class="string">&#x27;\033[0;34m&#x27;</span></span><br><span class="line">NC=<span class="string">&#x27;\033[0m&#x27;</span> <span class="comment"># 无颜色</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">while</span> <span class="literal">true</span>; <span class="keyword">do</span></span><br><span class="line"> <span class="comment"># 获取所有进程的CPU使用率和内存使用率</span></span><br><span class="line"> cpu_usage=$(ps aux | awk <span class="string">&#x27;&#123;sum_cpu += $3&#125; END &#123;print sum_cpu&#125;&#x27;</span>)</span><br><span class="line"> mem_usage=$(ps aux | awk <span class="string">&#x27;&#123;sum_mem += $4&#125; END &#123;print sum_mem&#125;&#x27;</span>)</span><br><span class="line"> </span><br><span class="line"> <span class="comment"># 打印结果，带有时间戳、分隔线和颜色高亮</span></span><br><span class="line"> <span class="built_in">echo</span> -e <span class="string">&quot;<span class="variable">$&#123;BLUE&#125;</span>==============================<span class="variable">$&#123;NC&#125;</span>&quot;</span></span><br><span class="line"> <span class="built_in">echo</span> -e <span class="string">&quot;<span class="variable">$&#123;YELLOW&#125;</span>Timestamp: <span class="subst">$(date)</span><span class="variable">$&#123;NC&#125;</span>&quot;</span></span><br><span class="line"> <span class="built_in">echo</span> -e <span class="string">&quot;<span class="variable">$&#123;BLUE&#125;</span>==============================<span class="variable">$&#123;NC&#125;</span>&quot;</span></span><br><span class="line"> <span class="built_in">echo</span> -e <span class="string">&quot;<span class="variable">$&#123;GREEN&#125;</span>Total CPU usage: <span class="variable">$&#123;RED&#125;</span><span class="variable">$cpu_usage</span>%<span class="variable">$&#123;NC&#125;</span>&quot;</span></span><br><span class="line"> <span class="built_in">echo</span> -e <span class="string">&quot;<span class="variable">$&#123;GREEN&#125;</span>Total Memory usage: <span class="variable">$&#123;RED&#125;</span><span class="variable">$mem_usage</span>%<span class="variable">$&#123;NC&#125;</span>&quot;</span></span><br><span class="line"> <span class="built_in">echo</span> -e <span class="string">&quot;<span class="variable">$&#123;BLUE&#125;</span>==============================<span class="variable">$&#123;NC&#125;</span>&quot;</span></span><br><span class="line"> </span><br><span class="line"> <span class="comment"># 等待5秒后再次执行</span></span><br><span class="line"> <span class="built_in">sleep</span> 5</span><br><span class="line"><span class="keyword">done</span></span><br><span class="line"></span><br></pre></td></tr></table></figure>
<p><strong>保存脚本到&#x2F;usr&#x2F;local&#x2F;bin目录下</strong></p>
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="built_in">mv</span> usage.sh /usr/local/bin/usage</span><br></pre></td></tr></table></figure>
<title>郑伯克段于鄢</title>
<url>/posts/58638.html</url>
<content><![CDATA[<p>原文如下：</p>
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;初，郑武公娶于申【申国】，曰武姜【武为武公谥号，姜为其宗族之性】。生庄公及共叔段【共表示其曾出逃到共，叔为老三，段为名】。庄公寤生【出生时头先出，难产】，惊姜氏，故名曰“寤生”， 遂恶之，爱【喜爱】共叔段，欲立【立为储君】之，亟（qì）【多次】请于武公，及庄公即位，为之【共叔段】请制【一个叫制的封地，虎牢关所在】。公曰：“制，岩邑【险要的城邑】也，虢叔死焉，佗【通“他”，其他】邑唯命（是听）。”请京，使居之，谓之“京城大叔”。</p>
]]></content>
<categories>
<category>古文观止</category>
</categories>
<tags>
<tag>古文观止</tag>
</tags>
</entry>
<entry>
<title>Hadoop集群Zookeeper配置</title>
<url>/posts/61251.html</url>
<content><![CDATA[<h3 id="Zookeeper脚本配置"><a href="#Zookeeper脚本配置" class="headerlink" title="Zookeeper脚本配置"></a>Zookeeper脚本配置</h3><ul>
<li>拷贝ips<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="built_in">cp</span> ips ips_zookeeper</span><br></pre></td></tr></table></figure>
修改为<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line">nn1</span><br><span class="line">nn2</span><br><span class="line">nn3</span><br></pre></td></tr></table></figure></li>
<li>拷贝三个脚本<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="built_in">cp</span> scp_all.sh scp_all_zookeeper.sh </span><br><span class="line"><span class="built_in">cp</span> ssh_all.sh ssh_all_zookeeper.sh </span><br><span class="line"><span class="built_in">cp</span> ssh_root.sh ssh_root_zookeeper.sh</span><br></pre></td></tr></table></figure></li>
<li>修改脚本<figure class="highlight shell"><table><tr><td class="code"><pre><span class="line">vim scp_all_zookeeper.sh </span><br><span class="line">vim ssh_all_zookeeper.sh </span><br><span class="line">vim ssh_root_zookeeper.sh </span><br></pre></td></tr></table></figure>
<h3 id="Shell脚本编写的基本信息"><a href="#Shell脚本编写的基本信息" class="headerlink" title="Shell脚本编写的基本信息"></a>Shell脚本编写的基本信息</h3><figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="meta">#! /bin/bash</span></span><br><span class="line"><span class="comment"># -------------------------------------------------</span></span><br><span class="line"><span class="comment"># Filename: test.sh</span></span><br><span class="line"><span class="comment"># Version: 1.0</span></span><br><span class="line"><span class="comment"># Date: 2024/05/02</span></span><br><span class="line"><span class="comment"># Author: shenjianZ</span></span><br><span class="line"><span class="comment"># Email: shenjianZLT@gmail.com</span></span><br><span class="line"><span class="comment"># Website: https://blog.shenjianl.cn</span></span><br><span class="line"><span class="comment"># Description: this is a test shell</span></span><br><span class="line"><span class="comment"># CopyRight: 2024 All rights reserved shenjianZ</span></span><br><span class="line"><span class="comment"># License GPL</span></span><br><span class="line"><span class="comment"># ------------------------------------------------</span></span><br><span class="line"></span><br><span class="line"></span><br><span class="line"><span class="comment"># Your script logic goes here</span></span><br></pre></td></tr></table></figure>]]></content>
将三个脚本中的ips改为ips_zookeeper</li>
</ul>
<h3 id="Zookeeper安装"><a href="#Zookeeper安装" class="headerlink" title="Zookeeper安装"></a>Zookeeper安装</h3><ul>
<li>上传到<code>/tmp</code>目录下，解压 <figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="built_in">sudo</span> tar -zxvf /tmp/zookeeper-3.4.8.tar.gz -C /usr/local/</span><br><span class="line">scp -r /usr/local/zookeeper-3.4.8/ root@nn2:/usr/local/</span><br><span class="line">scp -r /usr/local/zookeeper-3.4.8/ root@nn3:/usr/local/</span><br><span class="line">ssh_root_zookeeper.sh <span class="built_in">chown</span> -R hadoop:hadoop /usr/local/zookeeper-3.4.8</span><br><span class="line">ssh_root_zookeeper.s <span class="built_in">ln</span> -s /usr/local/zookeeper-3.4.8/ /usr/local/zookeeper</span><br></pre></td></tr></table></figure></li>
</ul>
<h3 id="Zookeeper配置"><a href="#Zookeeper配置" class="headerlink" title="Zookeeper配置"></a>Zookeeper配置</h3><ul>
<li><p>zoo.cfg配置</p>
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /usr/local/zookeeper/conf/</span><br><span class="line"><span class="built_in">cp</span> zoo_sample.cfg zoo.cfg</span><br></pre></td></tr></table></figure>
<p>然后<code>vim zoo.cfg</code>,修改如下：</p>
<figure class="highlight properties"><table><tr><td class="code"><pre><span class="line"><span class="comment"># 修改dataDir</span></span><br><span class="line"><span class="attr">dataDir</span>=<span class="string">/data/zookeeper</span></span><br><span class="line"><span class="comment"># 添加一下内容</span></span><br><span class="line"><span class="attr">server.1</span>=<span class="string">nn1:2888:3888 </span></span><br><span class="line"><span class="attr">server.2</span>=<span class="string">nn2:2888:3888 </span></span><br><span class="line"><span class="attr">server.3</span>=<span class="string">nn3:2888:3888</span></span><br></pre></td></tr></table></figure>
<p>分发给nn2、nn3<br> <code>scp_all_zookeeper.sh /usr/local/zookeeper/conf/zoo.cfg /usr/local/zookeeper/conf/</code></p>
</li>
<li><p><code>zkEnv.sh</code>配置<br><code>vim /usr/local/zookeeper/bin/zkEnv.sh</code><br><img src="/../../../img/000001.png" alt="000001.png"><br>分发到nn2、nn3</p>
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line">scp_all_zookeeper.sh /usr/local/zookeeper/bin/zkEnv.sh /usr/local/zookeeper/bin/</span><br></pre></td></tr></table></figure></li>
<li><p>创建zookeeper数据目录</p>
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line">ssh_root_zookeeper.sh <span class="built_in">mkdir</span> -p /data/zookeeper</span><br><span class="line">ssh_root_zookeeper.sh <span class="built_in">chown</span> -R hadoop:hadoop /data</span><br></pre></td></tr></table></figure></li>
<li><p>创建myid文件</p>
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line">ssh nn1 <span class="string">&#x27;echo &quot;1&quot; &gt; /data/zookeeper/myid&#x27;</span></span><br><span class="line">ssh nn2 <span class="string">&#x27;echo &quot;2&quot; &gt; /data/zookeeper/myid&#x27;</span></span><br><span class="line">ssh nn3 <span class="string">&#x27;echo &quot;3&quot; &gt; /data/zookeeper/myid&#x27;</span></span><br></pre></td></tr></table></figure></li>
<li><p>配置Zookeeper环境变量</p>
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="comment"># 在其他所有主机也执行</span></span><br><span class="line"><span class="built_in">sudo</span> <span class="built_in">chown</span> -R hadoop:hadoop /etc/profile.d/myEnv.sh</span><br></pre></td></tr></table></figure>
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="built_in">echo</span> <span class="string">&#x27;export ZOOKEEPER_HOME=/usr/local/zookeeper&#x27;</span> &gt;&gt; /etc/profile.d/myEnv.sh</span><br><span class="line"><span class="built_in">echo</span> <span class="string">&#x27;export PATH=$PATH:$ZOOKEEPER_HOME/bin&#x27;</span> &gt;&gt; /etc/profile.d/myEnv.sh</span><br></pre></td></tr></table></figure>
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="comment"># 分发到nn2、nn3</span></span><br><span class="line">scp_all_zookeeper.sh /etc/profile.d/myEnv.sh /etc/profile.d/</span><br><span class="line"><span class="comment"># source 环境变量</span></span><br><span class="line">ssh_all_zookeeper.sh <span class="built_in">source</span> /etc/profile</span><br></pre></td></tr></table></figure></li>
</ul>
<h3 id="Zookeeper的命令"><a href="#Zookeeper的命令" class="headerlink" title="Zookeeper的命令"></a>Zookeeper的命令</h3><figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="comment">#启动zk服务</span></span><br><span class="line">ssh_all_zookeeper.sh /usr/local/zookeeper/bin/zkServer.sh start</span><br><span class="line"><span class="comment">#查看每个机器ZK运行的状态</span></span><br><span class="line">ssh_all_zookeeper.sh /usr/local/zookeeper/bin/zkServer.sh status</span><br><span class="line"><span class="comment">#整体停止服务</span></span><br><span class="line">ssh_all_zookeeper.sh /usr/local/zookeeper/bin/zkServer.sh stop </span><br><span class="line"><span class="comment">#重启zk服务</span></span><br><span class="line">ssh_all_zookeeper.sh /usr/local/zookeeper/bin/zkServer.sh restart</span><br></pre></td></tr></table></figure>
<figure class="highlight shell"><table><tr><td class="code"><pre><span class="line"><span class="meta prompt_">#</span><span class="language-bash">启动zookeeper客户端，并连接zookeeper集群</span></span><br><span class="line">/usr/local/zookeeper/bin/zkCli.sh -server nn1:2181</span><br><span class="line"><span class="meta prompt_"># </span><span class="language-bash">可以简化为:</span></span><br><span class="line">zkCli.sh</span><br></pre></td></tr></table></figure>
]]></content>
</entry>
<entry>
<title>组件使用</title>
<url>/posts/33957.html</url>
<content><![CDATA[<h3 id="组件自动导入"><a href="#组件自动导入" class="headerlink" title="组件自动导入"></a>组件自动导入</h3><figure class="highlight json"><table><tr><td class="code"><pre><span class="line"><span class="attr">&quot;easycom&quot;</span><span class="punctuation">:</span><span class="punctuation">&#123;</span></span><br><span class="line"> <span class="attr">&quot;autoscan&quot;</span><span class="punctuation">:</span> <span class="literal"><span class="keyword">true</span></span><span class="punctuation">,</span></span><br><span class="line"> <span class="attr">&quot;custom&quot;</span><span class="punctuation">:</span> <span class="punctuation">&#123;</span></span><br><span class="line"> <span class="attr">&quot;^tui-(.*)&quot;</span><span class="punctuation">:</span> <span class="string">&quot;@/components/thorui/tui-$1/tui-$1.vue&quot;</span> <span class="comment">// 匹配components目录内的vue文件</span></span><br><span class="line"> <span class="punctuation">&#125;</span></span><br><span class="line"><span class="punctuation">&#125;</span></span><br></pre></td></tr></table></figure>
<h3 id="tui-sticky-吸顶容器"><a href="#tui-sticky-吸顶容器" class="headerlink" title="tui-sticky 吸顶容器"></a><code>tui-sticky 吸顶容器</code></h3><blockquote>
<p>包含 以下 <code>tui</code> 组件 :</p>
<ul>
<li>tui-sticky</li>
<li>tui-list-view</li>
<li>tui-list-cell</li>
</ul>
</blockquote>
<figure class="highlight html"><table><tr><td class="code"><pre><span class="line"><span class="tag">&lt;<span class="name">tui-sticky</span> <span class="attr">:scrollTop</span>=<span class="string">&quot;scrollTop&quot;</span> <span class="attr">stickyHeight</span>=<span class="string">&quot;104rpx&quot;</span> <span class="attr">container</span>&gt;</span></span><br><span class="line"> <span class="comment">&lt;!-- header start --&gt;</span></span><br><span class="line"> <span class="tag">&lt;<span class="name">template</span> <span class="attr">v-slot:header</span>&gt;</span></span><br><span class="line"> <span class="tag">&lt;<span class="name">view</span> <span class="attr">class</span>=<span class="string">&quot;sticky-item&quot;</span>&gt;</span></span><br><span class="line"> <span class="tag">&lt;<span class="name">view</span> <span class="attr">class</span>=<span class="string">&quot;setting&quot;</span>&gt;</span>设置<span class="tag">&lt;/<span class="name">view</span>&gt;</span></span><br><span class="line"> <span class="tag">&lt;/<span class="name">view</span>&gt;</span></span><br><span class="line"> <span class="tag">&lt;/<span class="name">template</span>&gt;</span></span><br><span class="line"> <span class="comment">&lt;!-- header end --&gt;</span></span><br><span class="line"> <span class="comment">&lt;!--内容 start--&gt;</span></span><br><span class="line"> <span class="tag">&lt;<span class="name">template</span> <span class="attr">v-slot:content</span>&gt;</span></span><br><span class="line"> <span class="tag">&lt;<span class="name">tui-list-view</span> <span class="attr">class</span>=<span class="string">&quot;content&quot;</span>&gt;</span></span><br><span class="line"> <span class="tag">&lt;<span class="name">tui-list-cell</span> <span class="attr">:arrow</span>=<span class="string">&quot;false&quot;</span>&gt;</span></span><br><span class="line"> <span class="tag">&lt;<span class="name">switch</span> <span class="attr">class</span>=<span class="string">&#x27;switch&#x27;</span> <span class="attr">checked</span> <span class="attr">color</span>=<span class="string">&quot;#FFCC33&quot;</span> /&gt;</span></span><br><span class="line"> <span class="tag">&lt;/<span class="name">tui-list-cell</span>&gt;</span></span><br><span class="line"> <span class="tag">&lt;/<span class="name">tui-list-view</span>&gt;</span></span><br><span class="line"> <span class="tag">&lt;/<span class="name">template</span>&gt;</span></span><br><span class="line"> <span class="comment">&lt;!--内容 end--&gt;</span></span><br><span class="line"><span class="tag">&lt;/<span class="name">tui-sticky</span>&gt;</span></span><br><span class="line"></span><br><span class="line"><span class="tag">&lt;<span class="name">script</span> <span class="attr">setup</span>&gt;</span><span class="language-javascript"></span></span><br><span class="line"><span class="language-javascript"> <span class="keyword">import</span> &#123; ref &#125; <span class="keyword">from</span> <span class="string">&#x27;vue&#x27;</span></span></span><br><span class="line"><span class="language-javascript"> <span class="keyword">import</span> &#123; onPageScroll &#125; <span class="keyword">from</span> <span class="string">&#x27;@dcloudio/uni-app&#x27;</span></span></span><br><span class="line"><span class="language-javascript"></span></span><br><span class="line"><span class="language-javascript"> <span class="comment">// 定义 scrollTop 响应式变量</span></span></span><br><span class="line"><span class="language-javascript"> <span class="keyword">const</span> scrollTop = <span class="title function_">ref</span>(<span class="number">0</span>)</span></span><br><span class="line"><span class="language-javascript"> <span class="comment">// 监听页面滚动事件</span></span></span><br><span class="line"><span class="language-javascript"> <span class="title function_">onPageScroll</span>(<span class="function">(<span class="params">e</span>) =&gt;</span> &#123;</span></span><br><span class="line"><span class="language-javascript"> scrollTop.<span class="property">value</span> = e.<span class="property">scrollTop</span></span></span><br><span class="line"><span class="language-javascript"> &#125;)</span></span><br><span class="line"><span class="language-javascript"></span><span class="tag">&lt;/<span class="name">script</span>&gt;</span></span><br></pre></td></tr></table></figure>
]]></content>
<tags>
<tag>uniapp</tag>
</tags>
</entry>
<entry>
<title>Hadoop集群搭建基础环境</title>
@@ -97,61 +174,14 @@
]]></content>
</entry>
<entry>
<title>Hadoop集群Zookeeper配置</title>
<url>/posts/61251.html</url>
<content><![CDATA[<h3 id="Zookeeper脚本配置"><a href="#Zookeeper脚本配置" class="headerlink" title="Zookeeper脚本配置"></a>Zookeeper脚本配置</h3><ul>
<li>拷贝ips<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="built_in">cp</span> ips ips_zookeeper</span><br></pre></td></tr></table></figure>
修改为<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line">nn1</span><br><span class="line">nn2</span><br><span class="line">nn3</span><br></pre></td></tr></table></figure></li>
<li>拷贝三个脚本<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="built_in">cp</span> scp_all.sh scp_all_zookeeper.sh </span><br><span class="line"><span class="built_in">cp</span> ssh_all.sh ssh_all_zookeeper.sh </span><br><span class="line"><span class="built_in">cp</span> ssh_root.sh ssh_root_zookeeper.sh</span><br></pre></td></tr></table></figure></li>
<li>修改脚本<figure class="highlight shell"><table><tr><td class="code"><pre><span class="line">vim scp_all_zookeeper.sh </span><br><span class="line">vim ssh_all_zookeeper.sh </span><br><span class="line">vim ssh_root_zookeeper.sh </span><br></pre></td></tr></table></figure>
将三个脚本中的ips改为ips_zookeeper</li>
<title>uniapp 开发</title>
<url>/posts/58817.html</url>
<content><![CDATA[<ul>
<li><a href="../component1">uniapp component</a></li>
</ul>
<h3 id="Zookeeper安装"><a href="#Zookeeper安装" class="headerlink" title="Zookeeper安装"></a>Zookeeper安装</h3><ul>
<li>上传到<code>/tmp</code>目录下，解压 <figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="built_in">sudo</span> tar -zxvf /tmp/zookeeper-3.4.8.tar.gz -C /usr/local/</span><br><span class="line">scp -r /usr/local/zookeeper-3.4.8/ root@nn2:/usr/local/</span><br><span class="line">scp -r /usr/local/zookeeper-3.4.8/ root@nn3:/usr/local/</span><br><span class="line">ssh_root_zookeeper.sh <span class="built_in">chown</span> -R hadoop:hadoop /usr/local/zookeeper-3.4.8</span><br><span class="line">ssh_root_zookeeper.s <span class="built_in">ln</span> -s /usr/local/zookeeper-3.4.8/ /usr/local/zookeeper</span><br></pre></td></tr></table></figure></li>
</ul>
<h3 id="Zookeeper配置"><a href="#Zookeeper配置" class="headerlink" title="Zookeeper配置"></a>Zookeeper配置</h3><ul>
<li><p>zoo.cfg配置</p>
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /usr/local/zookeeper/conf/</span><br><span class="line"><span class="built_in">cp</span> zoo_sample.cfg zoo.cfg</span><br></pre></td></tr></table></figure>
<p>然后<code>vim zoo.cfg</code>,修改如下：</p>
<figure class="highlight properties"><table><tr><td class="code"><pre><span class="line"><span class="comment"># 修改dataDir</span></span><br><span class="line"><span class="attr">dataDir</span>=<span class="string">/data/zookeeper</span></span><br><span class="line"><span class="comment"># 添加一下内容</span></span><br><span class="line"><span class="attr">server.1</span>=<span class="string">nn1:2888:3888 </span></span><br><span class="line"><span class="attr">server.2</span>=<span class="string">nn2:2888:3888 </span></span><br><span class="line"><span class="attr">server.3</span>=<span class="string">nn3:2888:3888</span></span><br></pre></td></tr></table></figure>
<p>分发给nn2、nn3<br> <code>scp_all_zookeeper.sh /usr/local/zookeeper/conf/zoo.cfg /usr/local/zookeeper/conf/</code></p>
</li>
<li><p><code>zkEnv.sh</code>配置<br><code>vim /usr/local/zookeeper/bin/zkEnv.sh</code><br><img src="/../../../img/000001.png" alt="000001.png"><br>分发到nn2、nn3</p>
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line">scp_all_zookeeper.sh /usr/local/zookeeper/bin/zkEnv.sh /usr/local/zookeeper/bin/</span><br></pre></td></tr></table></figure></li>
<li><p>创建zookeeper数据目录</p>
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line">ssh_root_zookeeper.sh <span class="built_in">mkdir</span> -p /data/zookeeper</span><br><span class="line">ssh_root_zookeeper.sh <span class="built_in">chown</span> -R hadoop:hadoop /data</span><br></pre></td></tr></table></figure></li>
<li><p>创建myid文件</p>
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line">ssh nn1 <span class="string">&#x27;echo &quot;1&quot; &gt; /data/zookeeper/myid&#x27;</span></span><br><span class="line">ssh nn2 <span class="string">&#x27;echo &quot;2&quot; &gt; /data/zookeeper/myid&#x27;</span></span><br><span class="line">ssh nn3 <span class="string">&#x27;echo &quot;3&quot; &gt; /data/zookeeper/myid&#x27;</span></span><br></pre></td></tr></table></figure></li>
<li><p>配置Zookeeper环境变量</p>
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="comment"># 在其他所有主机也执行</span></span><br><span class="line"><span class="built_in">sudo</span> <span class="built_in">chown</span> -R hadoop:hadoop /etc/profile.d/myEnv.sh</span><br></pre></td></tr></table></figure>
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="built_in">echo</span> <span class="string">&#x27;export ZOOKEEPER_HOME=/usr/local/zookeeper&#x27;</span> &gt;&gt; /etc/profile.d/myEnv.sh</span><br><span class="line"><span class="built_in">echo</span> <span class="string">&#x27;export PATH=$PATH:$ZOOKEEPER_HOME/bin&#x27;</span> &gt;&gt; /etc/profile.d/myEnv.sh</span><br></pre></td></tr></table></figure>
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="comment"># 分发到nn2、nn3</span></span><br><span class="line">scp_all_zookeeper.sh /etc/profile.d/myEnv.sh /etc/profile.d/</span><br><span class="line"><span class="comment"># source 环境变量</span></span><br><span class="line">ssh_all_zookeeper.sh <span class="built_in">source</span> /etc/profile</span><br></pre></td></tr></table></figure></li>
</ul>
<h3 id="Zookeeper的命令"><a href="#Zookeeper的命令" class="headerlink" title="Zookeeper的命令"></a>Zookeeper的命令</h3><figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="comment">#启动zk服务</span></span><br><span class="line">ssh_all_zookeeper.sh /usr/local/zookeeper/bin/zkServer.sh start</span><br><span class="line"><span class="comment">#查看每个机器ZK运行的状态</span></span><br><span class="line">ssh_all_zookeeper.sh /usr/local/zookeeper/bin/zkServer.sh status</span><br><span class="line"><span class="comment">#整体停止服务</span></span><br><span class="line">ssh_all_zookeeper.sh /usr/local/zookeeper/bin/zkServer.sh stop </span><br><span class="line"><span class="comment">#重启zk服务</span></span><br><span class="line">ssh_all_zookeeper.sh /usr/local/zookeeper/bin/zkServer.sh restart</span><br></pre></td></tr></table></figure>
<figure class="highlight shell"><table><tr><td class="code"><pre><span class="line"><span class="meta prompt_">#</span><span class="language-bash">启动zookeeper客户端，并连接zookeeper集群</span></span><br><span class="line">/usr/local/zookeeper/bin/zkCli.sh -server nn1:2181</span><br><span class="line"><span class="meta prompt_"># </span><span class="language-bash">可以简化为:</span></span><br><span class="line">zkCli.sh</span><br></pre></td></tr></table></figure>
]]></content>
</entry>
<entry>
<title>网络相关</title>
<url>/posts/41168.html</url>
<content><![CDATA[]]></content>
</entry>
<entry>
<title>郑伯克段于鄢</title>
<url>/posts/58638.html</url>
<content><![CDATA[<p>原文如下：</p>
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;初，郑武公娶于申【申国】，曰武姜【武为武公谥号，姜为其宗族之性】。生庄公及共叔段【共表示其曾出逃到共，叔为老三，段为名】。庄公寤生【出生时头先出，难产】，惊姜氏，故名曰“寤生”， 遂恶之，爱【喜爱】共叔段，欲立【立为储君】之，亟（qì）【多次】请于武公，及庄公即位，为之【共叔段】请制【一个叫制的封地，虎牢关所在】。公曰：“制，岩邑【险要的城邑】也，虢叔死焉，佗【通“他”，其他】邑唯命（是听）。”请京，使居之，谓之“京城大叔”。</p>
]]></content>
<categories>
<category>古文观止</category>
</categories>
<tags>
<tag>古文观止</tag>
<tag>uniapp</tag>
</tags>
</entry>
<entry>
@@ -201,80 +231,6 @@
</ul>
<h3 id="集群启动"><a href="#集群启动" class="headerlink" title="集群启动"></a>集群启动</h3><figure class="highlight bash"><table><tr><td class="code"><pre><span class="line">start-dfs.sh</span><br></pre></td></tr></table></figure>]]></content>
</entry>
<entry>
<title>Docker被墙，如何继续使用？</title>
<url>/posts/47807.html</url>
<content><![CDATA[<h2 id="Docker-Download"><a href="#Docker-Download" class="headerlink" title="Docker Download"></a>Docker Download</h2><blockquote>
<p>自从docker官方仓库在中国大陆被墙后，docker的部署方式也发生了改变。<br>解决docker安装问题：<a href="https://github.com/shenjianZ/docker_installer">https://github.com/shenjianZ/docker_installer</a></p>
</blockquote>
<ol>
<li><p>安装docker </p>
<figure class="highlight shell"><table><tr><td class="code"><pre><span class="line">sudo curl -fsSL https://gitee.com/tech-shrimp/docker_installer/releases/download/latest/linux.sh| bash -s docker --mirror Aliyun</span><br></pre></td></tr></table></figure>
</li>
<li><p>启动docker</p>
<figure class="highlight shell"><table><tr><td class="code"><pre><span class="line">sudo systemctl start docker</span><br></pre></td></tr></table></figure>
</li>
<li><p>设置开机自启</p>
<figure class="highlight shell"><table><tr><td class="code"><pre><span class="line">sudo systemctl enable docker</span><br></pre></td></tr></table></figure>
</li>
<li><p>Docker pull images</p>
<blockquote>
<p>将image下载到阿里云镜像仓库中<br>解决docker pull 镜像问题:<a href="https://github.com/shenjianZ/docker_image_pusher">https://github.com/shenjianZ/docker_image_pusher</a></p>
</blockquote>
<ol>
<li><p><strong>登录阿里云镜像服务</strong> <a href="https://cr.console.aliyun.com/">https://cr.console.aliyun.com/</a>,</p>
<p>启用个人实例，创建一个命名空间（<code>ALIYUN_NAME_SPACE</code>）</p>
</li>
<li><p>在<strong>访问凭证</strong> 可以看到账号 用户名（<code>ALIYUN_REGISTRY_USER</code>)</p>
<p>密码（<code>ALIYUN_REGISTRY_PASSWORD</code>)</p>
<p>仓库地址（<code>ALIYUN_REGISTRY</code>）</p>
</li>
<li><p><strong>启动Action</strong><br>进入您自己的项目，点击<code>Action</code>，启用<code>Github Action</code>功能</p>
</li>
<li><p><strong>配置环境变量</strong><br>进入Settings-&gt;Secret and variables-&gt;Actions-&gt;New Repository secret<br> 将上一步的四个值<br> <code>ALIYUN_NAME_SPACE</code>,</p>
<p> <code> ALIYUN_REGISTRY_USER</code>，</p>
<p> <code>ALIYUN_REGISTRY_PASSWORD</code>，</p>
<p> <code>ALIYUN_REGISTRY</code><br> 配置成环境变量</p>
</li>
<li><p><strong>添加镜像</strong><br> 打开<code>images.txt</code>文件，添加你想要的镜像 可以加tag</p>
</li>
<li><p>使用镜像<br>回到阿里云，镜像仓库，点击任意镜像，可查看镜像状态。(可以改成公开，拉取镜像免登录)</p>
</li>
</ol>
</li>
</ol>
]]></content>
</entry>
<entry>
<title>组件使用</title>
<url>/posts/33957.html</url>
<content><![CDATA[<h3 id="组件自动导入"><a href="#组件自动导入" class="headerlink" title="组件自动导入"></a>组件自动导入</h3><figure class="highlight json"><table><tr><td class="code"><pre><span class="line"><span class="attr">&quot;easycom&quot;</span><span class="punctuation">:</span><span class="punctuation">&#123;</span></span><br><span class="line"> <span class="attr">&quot;autoscan&quot;</span><span class="punctuation">:</span> <span class="literal"><span class="keyword">true</span></span><span class="punctuation">,</span></span><br><span class="line"> <span class="attr">&quot;custom&quot;</span><span class="punctuation">:</span> <span class="punctuation">&#123;</span></span><br><span class="line"> <span class="attr">&quot;^tui-(.*)&quot;</span><span class="punctuation">:</span> <span class="string">&quot;@/components/thorui/tui-$1/tui-$1.vue&quot;</span> <span class="comment">// 匹配components目录内的vue文件</span></span><br><span class="line"> <span class="punctuation">&#125;</span></span><br><span class="line"><span class="punctuation">&#125;</span></span><br></pre></td></tr></table></figure>
<h3 id="tui-sticky-吸顶容器"><a href="#tui-sticky-吸顶容器" class="headerlink" title="tui-sticky 吸顶容器"></a><code>tui-sticky 吸顶容器</code></h3><blockquote>
<p>包含 以下 <code>tui</code> 组件 :</p>
<ul>
<li>tui-sticky</li>
<li>tui-list-view</li>
<li>tui-list-cell</li>
</ul>
</blockquote>
<figure class="highlight html"><table><tr><td class="code"><pre><span class="line"><span class="tag">&lt;<span class="name">tui-sticky</span> <span class="attr">:scrollTop</span>=<span class="string">&quot;scrollTop&quot;</span> <span class="attr">stickyHeight</span>=<span class="string">&quot;104rpx&quot;</span> <span class="attr">container</span>&gt;</span></span><br><span class="line"> <span class="comment">&lt;!-- header start --&gt;</span></span><br><span class="line"> <span class="tag">&lt;<span class="name">template</span> <span class="attr">v-slot:header</span>&gt;</span></span><br><span class="line"> <span class="tag">&lt;<span class="name">view</span> <span class="attr">class</span>=<span class="string">&quot;sticky-item&quot;</span>&gt;</span></span><br><span class="line"> <span class="tag">&lt;<span class="name">view</span> <span class="attr">class</span>=<span class="string">&quot;setting&quot;</span>&gt;</span>设置<span class="tag">&lt;/<span class="name">view</span>&gt;</span></span><br><span class="line"> <span class="tag">&lt;/<span class="name">view</span>&gt;</span></span><br><span class="line"> <span class="tag">&lt;/<span class="name">template</span>&gt;</span></span><br><span class="line"> <span class="comment">&lt;!-- header end --&gt;</span></span><br><span class="line"> <span class="comment">&lt;!--内容 start--&gt;</span></span><br><span class="line"> <span class="tag">&lt;<span class="name">template</span> <span class="attr">v-slot:content</span>&gt;</span></span><br><span class="line"> <span class="tag">&lt;<span class="name">tui-list-view</span> <span class="attr">class</span>=<span class="string">&quot;content&quot;</span>&gt;</span></span><br><span class="line"> <span class="tag">&lt;<span class="name">tui-list-cell</span> <span class="attr">:arrow</span>=<span class="string">&quot;false&quot;</span>&gt;</span></span><br><span class="line"> <span class="tag">&lt;<span class="name">switch</span> <span class="attr">class</span>=<span class="string">&#x27;switch&#x27;</span> <span class="attr">checked</span> <span class="attr">color</span>=<span class="string">&quot;#FFCC33&quot;</span> /&gt;</span></span><br><span class="line"> <span class="tag">&lt;/<span class="name">tui-list-cell</span>&gt;</span></span><br><span class="line"> <span class="tag">&lt;/<span class="name">tui-list-view</span>&gt;</span></span><br><span class="line"> <span class="tag">&lt;/<span class="name">template</span>&gt;</span></span><br><span class="line"> <span class="comment">&lt;!--内容 end--&gt;</span></span><br><span class="line"><span class="tag">&lt;/<span class="name">tui-sticky</span>&gt;</span></span><br><span class="line"></span><br><span class="line"><span class="tag">&lt;<span class="name">script</span> <span class="attr">setup</span>&gt;</span><span class="language-javascript"></span></span><br><span class="line"><span class="language-javascript"> <span class="keyword">import</span> &#123; ref &#125; <span class="keyword">from</span> <span class="string">&#x27;vue&#x27;</span></span></span><br><span class="line"><span class="language-javascript"> <span class="keyword">import</span> &#123; onPageScroll &#125; <span class="keyword">from</span> <span class="string">&#x27;@dcloudio/uni-app&#x27;</span></span></span><br><span class="line"><span class="language-javascript"></span></span><br><span class="line"><span class="language-javascript"> <span class="comment">// 定义 scrollTop 响应式变量</span></span></span><br><span class="line"><span class="language-javascript"> <span class="keyword">const</span> scrollTop = <span class="title function_">ref</span>(<span class="number">0</span>)</span></span><br><span class="line"><span class="language-javascript"> <span class="comment">// 监听页面滚动事件</span></span></span><br><span class="line"><span class="language-javascript"> <span class="title function_">onPageScroll</span>(<span class="function">(<span class="params">e</span>) =&gt;</span> &#123;</span></span><br><span class="line"><span class="language-javascript"> scrollTop.<span class="property">value</span> = e.<span class="property">scrollTop</span></span></span><br><span class="line"><span class="language-javascript"> &#125;)</span></span><br><span class="line"><span class="language-javascript"></span><span class="tag">&lt;/<span class="name">script</span>&gt;</span></span><br></pre></td></tr></table></figure>
]]></content>
<tags>
<tag>uniapp</tag>
</tags>
</entry>
<entry>
<title>uniapp 开发</title>
<url>/posts/58817.html</url>
<content><![CDATA[<ul>
<li><a href="../component1">uniapp component</a></li>
</ul>
]]></content>
<tags>
<tag>uniapp</tag>
</tags>
</entry>
<entry>
<title>无法访问外网？需要订阅代理服务？</title>
<url>/posts/14011.html</url>
@@ -325,4 +281,48 @@
<tag>网络代理</tag>
</tags>
</entry>
<entry>
<title>Docker被墙，如何继续使用？</title>
<url>/posts/47807.html</url>
<content><![CDATA[<h2 id="Docker-Download"><a href="#Docker-Download" class="headerlink" title="Docker Download"></a>Docker Download</h2><blockquote>
<p>自从docker官方仓库在中国大陆被墙后，docker的部署方式也发生了改变。<br>解决docker安装问题：<a href="https://github.com/shenjianZ/docker_installer">https://github.com/shenjianZ/docker_installer</a></p>
</blockquote>
<ol>
<li><p>安装docker </p>
<figure class="highlight shell"><table><tr><td class="code"><pre><span class="line">sudo curl -fsSL https://gitee.com/tech-shrimp/docker_installer/releases/download/latest/linux.sh| bash -s docker --mirror Aliyun</span><br></pre></td></tr></table></figure>
</li>
<li><p>启动docker</p>
<figure class="highlight shell"><table><tr><td class="code"><pre><span class="line">sudo systemctl start docker</span><br></pre></td></tr></table></figure>
</li>
<li><p>设置开机自启</p>
<figure class="highlight shell"><table><tr><td class="code"><pre><span class="line">sudo systemctl enable docker</span><br></pre></td></tr></table></figure>
</li>
<li><p>Docker pull images</p>
<blockquote>
<p>将image下载到阿里云镜像仓库中<br>解决docker pull 镜像问题:<a href="https://github.com/shenjianZ/docker_image_pusher">https://github.com/shenjianZ/docker_image_pusher</a></p>
</blockquote>
<ol>
<li><p><strong>登录阿里云镜像服务</strong> <a href="https://cr.console.aliyun.com/">https://cr.console.aliyun.com/</a>,</p>
<p>启用个人实例，创建一个命名空间（<code>ALIYUN_NAME_SPACE</code>）</p>
</li>
<li><p>在<strong>访问凭证</strong> 可以看到账号 用户名（<code>ALIYUN_REGISTRY_USER</code>)</p>
<p>密码（<code>ALIYUN_REGISTRY_PASSWORD</code>)</p>
<p>仓库地址（<code>ALIYUN_REGISTRY</code>）</p>
</li>
<li><p><strong>启动Action</strong><br>进入您自己的项目，点击<code>Action</code>，启用<code>Github Action</code>功能</p>
</li>
<li><p><strong>配置环境变量</strong><br>进入Settings-&gt;Secret and variables-&gt;Actions-&gt;New Repository secret<br> 将上一步的四个值<br> <code>ALIYUN_NAME_SPACE</code>,</p>
<p> <code> ALIYUN_REGISTRY_USER</code>，</p>
<p> <code>ALIYUN_REGISTRY_PASSWORD</code>，</p>
<p> <code>ALIYUN_REGISTRY</code><br> 配置成环境变量</p>
</li>
<li><p><strong>添加镜像</strong><br> 打开<code>images.txt</code>文件，添加你想要的镜像 可以加tag</p>
</li>
<li><p>使用镜像<br>回到阿里云，镜像仓库，点击任意镜像，可查看镜像状态。(可以改成公开，拉取镜像免登录)</p>
</li>
</ol>
</li>
</ol>
]]></content>
</entry>
</search>