http://blog.sdcswd.wang/categories/linux/ Recent content in Linux on Heterotopia Hugo -- 0.147.2 zh-CN Mon, 13 Apr 2020 13:55:49 +0000 http://blog.sdcswd.wang/posts/ssh-learning/ Mon, 13 Apr 2020 13:55:49 +0000 http://blog.sdcswd.wang/posts/ssh-learning/ <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-python" data-lang="python"><span class="line"><span class="ln" id="hl-0-1"><a class="lnlinks" href="#hl-0-1">1</a></span><span class="cl"><span class="c1"># @Time : 2020-04-13</span> </span></span><span class="line"><span class="ln" id="hl-0-2"><a class="lnlinks" href="#hl-0-2">2</a></span><span class="cl"><span class="c1"># @Language: Markdown</span> </span></span><span class="line"><span class="ln" id="hl-0-3"><a class="lnlinks" href="#hl-0-3">3</a></span><span class="cl"><span class="c1"># @Software: VS Code</span> </span></span><span class="line"><span class="ln" id="hl-0-4"><a class="lnlinks" href="#hl-0-4">4</a></span><span class="cl"><span class="c1"># @Author : Di Wang</span> </span></span><span class="line"><span class="ln" id="hl-0-5"><a class="lnlinks" href="#hl-0-5">5</a></span><span class="cl"><span class="c1"># @Email : sdcswd@gmail.com</span> </span></span></code></pre></div><h1 id="关于ssh的配置">关于ssh的配置</h1> <p>每天都要通过ssh登陆远程主机，所以一些偷懒的配置是必不可少的。ssh是基于非对称加密的RSA算法，连接过程也包括了host的认知，user的认证几个过程，这些知识包含很多密码学的内容，有很多博客都有讲。我就单记录一下自己的一些配置。</p> http://blog.sdcswd.wang/posts/shell-learning/ Sat, 07 Dec 2019 16:12:17 +0000 http://blog.sdcswd.wang/posts/shell-learning/ <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-python" data-lang="python"><span class="line"><span class="ln" id="hl-0-1"><a class="lnlinks" href="#hl-0-1">1</a></span><span class="cl"><span class="c1"># @Time : 2019-12-07</span> </span></span><span class="line"><span class="ln" id="hl-0-2"><a class="lnlinks" href="#hl-0-2">2</a></span><span class="cl"><span class="c1"># @Language: Markdown</span> </span></span><span class="line"><span class="ln" id="hl-0-3"><a class="lnlinks" href="#hl-0-3">3</a></span><span class="cl"><span class="c1"># @Software: VS Code</span> </span></span><span class="line"><span class="ln" id="hl-0-4"><a class="lnlinks" href="#hl-0-4">4</a></span><span class="cl"><span class="c1"># @Author : Di Wang</span> </span></span><span class="line"><span class="ln" id="hl-0-5"><a class="lnlinks" href="#hl-0-5">5</a></span><span class="cl"><span class="c1"># @Email : sdcswd@gmail.com</span> </span></span></code></pre></div><h1 id="shell-脚本编程">Shell 脚本编程</h1> <blockquote> <p>一直以来只是使用bash或者zsh，对于shell脚本并不了解，上次组会导师告知可以通过shell script进入epics IOC的shell，进而通过<strong>dbl</strong>命令获取所有IOC的所有PV，虽然只是获取了PV名，进一步获取PV Type，Value还需要进一步执行<strong>dbpr</strong>等命令，不过可以先试着玩一下。</p> http://blog.sdcswd.wang/posts/how-to-build-mrf-timing-system/ Sat, 30 Nov 2019 18:04:35 +0000 http://blog.sdcswd.wang/posts/how-to-build-mrf-timing-system/ <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-python" data-lang="python"><span class="line"><span class="ln" id="hl-0-1"><a class="lnlinks" href="#hl-0-1">1</a></span><span class="cl"><span class="c1"># @Time : 2019-11-30</span> </span></span><span class="line"><span class="ln" id="hl-0-2"><a class="lnlinks" href="#hl-0-2">2</a></span><span class="cl"><span class="c1"># @Language: Markdown</span> </span></span><span class="line"><span class="ln" id="hl-0-3"><a class="lnlinks" href="#hl-0-3">3</a></span><span class="cl"><span class="c1"># @Software: VS Code</span> </span></span><span class="line"><span class="ln" id="hl-0-4"><a class="lnlinks" href="#hl-0-4">4</a></span><span class="cl"><span class="c1"># @Author : Di Wang</span> </span></span><span class="line"><span class="ln" id="hl-0-5"><a class="lnlinks" href="#hl-0-5">5</a></span><span class="cl"><span class="c1"># @Email : sdcswd@gmail.com</span> </span></span></code></pre></div><h2 id="build-mrf-evr230-on-vxworks">Build MRF EVR230 on vxWorks</h2> <blockquote> <p>This file is a guide to build your own MRF Timing IOC on vxworks as well as write your own device support to meet your own demand of EPICS record.</p></blockquote> <p>Some links might be helpful:</p> <ul> <li><a href="http://mrf.fi/">MRF Company</a></li> <li><a href="http://www.aps.anl.gov/epics/">EPICS</a></li> <li><a href="http://epics.sourceforge.net/mrfioc2/">mrfioc2</a></li> <li><a href="https://epics.anl.gov/extensions/msi/index.php">MSI</a></li> <li><a href="http://epics.sourceforge.net/devlib2/">devlib2</a></li> </ul> <h3 id="requirements">Requirements</h3> <ul> <li>EPICS Base &gt;= 3.14.8.2</li> <li>devLib2 (2.9)</li> <li>MSI (Macro expansion tool) Required with Base &lt; 3.15.1</li> </ul> <h3 id="build-mrfioc2">Build mrfioc2</h3> <p>Download mrfioc2-2.2.0.tar.gz and extract to directory, name as &ldquo;mrfioc2-2.2.0&rdquo;</p>