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<li class="toctree-l3"><a class="reference internal" href="#id1">Arthas tunnel server的工作原理</a></li>
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<div class="section" id="web-console">
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<h1>Web Console<a class="headerlink" href="#web-console" title="永久链接至标题">¶</a></h1>
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<div class="section" id="arthas">
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<h2>通过浏览器连接arthas<a class="headerlink" href="#arthas" title="永久链接至标题">¶</a></h2>
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<p>Arthas目前支持Web Console，用户在attach成功之后，可以直接访问：<a class="reference external" href="http://127.0.0.1:3658/">http://127.0.0.1:3658/</a>。</p>
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<p>可以填入IP，远程连接其它机器上的arthas。</p>
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<p><img alt="_images/web-console-local.png" src="_images/web-console-local.png" /></p>
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<blockquote>
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<div><p>默认情况下，arthas只listen 127.0.0.1，所以如果想从远程连接，则可以使用 <code class="docutils literal notranslate"><span class="pre">--target-ip</span></code>参数指定listen的IP，更多参考<code class="docutils literal notranslate"><span class="pre">-h</span></code>的帮助说明。
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注意会有安全风险，考虑下面的tunnel server的方案。</p>
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</div></blockquote>
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<p>后续更多Web Console功能支持，请到issue下留言：<a class="reference external" href="https://github.com/alibaba/arthas/issues/15">https://github.com/alibaba/arthas/issues/15</a></p>
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</div>
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<div class="section" id="arthas-tunnel-serverarthas">
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<h2>使用arthas tunnel server连接远程arthas<a class="headerlink" href="#arthas-tunnel-serverarthas" title="永久链接至标题">¶</a></h2>
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<div class="section" id="arthas-tunnel-server">
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<h3>下载部署arthas tunnel server<a class="headerlink" href="#arthas-tunnel-server" title="永久链接至标题">¶</a></h3>
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<p><a class="reference external" href="https://github.com/alibaba/arthas/releases">https://github.com/alibaba/arthas/releases</a></p>
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<p>Arthas tunnel server是一个spring boot fat jar应用，直接<code class="docutils literal notranslate"><span class="pre">java</span> <span class="pre">-jar</span></code>启动：</p>
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<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">java -jar arthas-tunnel-server.jar</pre></div>
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</div>
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<p>默认情况下，arthas tunnel server的web端口是<code class="docutils literal notranslate"><span class="pre">8080</span></code>，arthas agent连接的端口是<code class="docutils literal notranslate"><span class="pre">7777</span></code>。</p>
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<p>启动之后，可以访问 <a class="reference external" href="http://localhost:8080/">http://localhost:8080/</a> ，再通过<code class="docutils literal notranslate"><span class="pre">agentId</span></code>连接到已注册的arthas agent上。</p>
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<p>通过Spring Boot的Endpoint，可以查看到具体的连接信息： <a class="reference external" href="http://localhost:8080/actuator/arthas">http://localhost:8080/actuator/arthas</a> ，登陆用户名是<code class="docutils literal notranslate"><span class="pre">arthas</span></code>，密码在arthas tunnel server的日志里可以找到，比如：</p>
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<div class="highlight-default notranslate"><pre class="literal-block">32851 [main] INFO o.s.b.a.s.s.UserDetailsServiceAutoConfiguration
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Using generated security password: f1dca050-3777-48f4-a577-6367e55a78a2</pre>
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</div>
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</div>
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<div class="section" id="arthastunnel-server">
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<h3>启动arthas时连接到tunnel server<a class="headerlink" href="#arthastunnel-server" title="永久链接至标题">¶</a></h3>
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<p>在启动arthas，可以传递<code class="docutils literal notranslate"><span class="pre">--tunnel-server</span></code>参数，比如：</p>
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<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">as.sh --tunnel-server 'ws://47.75.156.201:7777/ws'</pre></div>
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</div>
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<ul class="simple">
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<li><p>如果有特殊需求，可以通过<code class="docutils literal notranslate"><span class="pre">--agent-id</span></code>参数里指定agentId。默认情况下，会生成随机ID。</p></li>
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</ul>
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<p>attach成功之后，会打印出agentId，比如：</p>
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<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash"> ,---. ,------. ,--------.,--. ,--. ,---. ,---.
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/ O \ | .--. ''--. .--'| '--' | / O \ ' .-'
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| .-. || '--'.' | | | .--. || .-. |`. `-.
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| | | || |\ \ | | | | | || | | |.-' |
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`--' `--'`--' '--' `--' `--' `--'`--' `--'`-----'
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wiki https://alibaba.github.io/arthas
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tutorials https://alibaba.github.io/arthas/arthas-tutorials
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version 3.1.2
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pid 86183
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time 2019-08-30 15:40:53
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id URJZ5L48RPBR2ALI5K4V</pre></div>
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</div>
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<p>如果是启动时没有连接到 tunnel server，也可以在后续自动重连成功之后，通过 session命令来获取 agentId：</p>
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<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">[arthas@86183]$ session
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Name Value
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-----------------------------------------------------
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JAVA_PID 86183
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SESSION_ID f7273eb5-e7b0-4a00-bc5b-3fe55d741882
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AGENT_ID URJZ5L48RPBR2ALI5K4V
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TUNNEL_SERVER ws://47.75.156.201:7777/ws</pre></div>
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</div>
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<p>以上面的为例，在浏览器里访问 <a class="reference external" href="http://47.75.156.201:8080/">http://47.75.156.201:8080/</a> ，输入 <code class="docutils literal notranslate"><span class="pre">agentId</span></code>，就可以连接到本机上的arthas了。</p>
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<p><img alt="_images/arthas-tunnel-server.png" src="_images/arthas-tunnel-server.png" /></p>
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</div>
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<div class="section" id="id1">
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<h3>Arthas tunnel server的工作原理<a class="headerlink" href="#id1" title="永久链接至标题">¶</a></h3>
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<div class="highlight-default notranslate"><pre class="literal-block">browser <-> arthas tunnel server <-> arthas tunnel client <-> arthas agent</pre>
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</div>
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<p><a class="reference external" href="https://github.com/alibaba/arthas/blob/master/tunnel-server/README.md#">tunnel-server/README.md</a></p>
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