mirror of
https://github.com/balkian/balkian.github.com.git
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152 lines
4.0 KiB
HTML
152 lines
4.0 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
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<title>Balkian's site - WELCOME</title>
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<meta name="viewport" content="width=device-width">
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<link rel="stylesheet" href="../../font-awesome/css/all.css">
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<link rel="stylesheet" media="only screen" href="../../css/main.css">
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<link href='http://fonts.googleapis.com/css?family=Open+Sans:300|Comfortaa' rel='stylesheet' type='text/css'>
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</head>
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<body>
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<div id="container" class="container">
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<div id="contentwrapper">
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<div id="content">
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<header id="header">
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<ul class="navbar" id="navbar">
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<a href="../../">
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<li >
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<i class="fa fa-home fa-large"></i>
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</li></a>
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<a href="../../post/"><li class='' >Blog
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</li></a>
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<a href="../../tags/"><li class='' >Tags
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</li></a>
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<a href="../../cheatsheet/"><li class=' active' >Cheatsheets
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</li></a>
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<a href="../../about/"><li class='' >About
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</li></a>
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<a href="../../project/"><li class='' >Projects
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</li></a>
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<a href="//jfernando.es" target="_blank"><li>
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CV
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</li></a>
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</ul>
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</header>
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<h2>Linux</h2>
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<h1 id="black-screen-and-lightdm-doesn-t-unlock">Black screen and LightDM doesn’t unlock</h1>
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<p>Add this to your /etc/lightdm/lightdm.conf file:</p>
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<pre><code>[LightDM]
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logind-check-graphical=true
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</code></pre>
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<h1 id="edit-previous-commands">Edit previous commands</h1>
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<p><code>fc</code> is a shell builtin to list and edit previous commands in an editor.
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In addition to editing a single line (which you can also do with <code>C-x C-e</code>), it also allows you to edit and run several lines at the same time.
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You use it like this:</p>
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<p>List previous commands</p>
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<pre><code>$ fc -l
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10259 nvim deploy.sh
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10260* cd ..
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10261* nvim content/cheatsheet/linux.md
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10262 cd
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</code></pre>
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<p>List commands with date (in zsh)</p>
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<pre><code>$ fc -ld
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10260* 19:38 cd ..
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10261* 19:38 nvim content/cheatsheet/linux.md
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10262 19:40 cd
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10263 19:40 fc -l
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</code></pre>
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<p>You can add the date too:</p>
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<pre><code>$ fc -fld
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10262 1/10/2019 19:40 cd
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10263 1/10/2019 19:40 fc -l
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10264 1/10/2019 19:40 fc -ld
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</code></pre>
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<p>You can edit a range of commands</p>
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<pre><code>$ fc 10262 10264
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</code></pre>
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<p>The range can be relative to the current position, so the previous command is equivalent to:</p>
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<pre><code>$ fc -3 -1
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</code></pre>
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<p>If you save and exit, all commands are executed as a script, and it will be added to your history.</p>
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<p>Source: <a href="https://shapeshed.com/unix-fc/">https://shapeshed.com/unix-fc/</a></p>
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</div>
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<div id="sidebar" class="fixed">
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<div class="toc">
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<h3>Contents:</h3>
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<nav id="TableOfContents">
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<ul>
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<li><a href="#black-screen-and-lightdm-doesn-t-unlock">Black screen and LightDM doesn’t unlock</a></li>
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<li><a href="#edit-previous-commands">Edit previous commands</a></li>
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</ul>
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</nav>
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</div>
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</div>
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<div class="clear"></div>
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</div>
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<footer class="pagefooter" role="contentinfo">
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<div class="contact">
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<p>
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J. Fernando Sánchez Rada | balkian
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</p>
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</div>
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<ul id="social">
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<li><a href="http://github.com/balkian"><i class="fab fa-github"></i></a></li>
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<li><a href="http://lab.gsi.upm.es/balkian"><i class="fab fa-gitlab"></i></a></li>
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<li><a href="http://twitter.com/balkian"><i class="fab fa-twitter"></i></a></li>
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<li><a href="http://git.sinpapel.es/balkian"><i class="fab fa-git"></i></a></li>
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<li><a href="http://linkedin.com/in/jfsanchezrada"><i class="fab fa-linkedin"></i></a></li>
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</ul>
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<p>
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<i class="fab fa-creative-commons"></i> Creative Commons A-SA-NC
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</p>
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</footer>
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