2019-01-02 15:04:16 +01:00
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<title>Einführung in Linux</title>
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<meta name="description" content="YALC - Yet Another Linux Course ">
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<meta name="author" content="Daniel Schubert">
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</head>
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<body>
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<section data-transition="slide" data-background="#4d7e65" data-background-transition="zoom">
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<h1>LINUX</h1>
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<h3>Das universelle Betriebssystem</h3>
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2019-01-08 13:08:27 +01:00
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<p>Eine Einführung - Teil 5
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2019-01-02 15:04:16 +01:00
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<p>
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<small>Deutsche Angestellten Akademie</small>
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</p>
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<aside class="notes">
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Frage: Fragen zur letzten Stunde?
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</aside>
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</section>
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<section>
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2019-01-08 13:08:27 +01:00
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<h2>Bash scripting - Fortsetzung</h2>
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2019-01-02 15:04:16 +01:00
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</section>
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2019-01-08 13:08:27 +01:00
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<section>
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<h3>LINKS</h3>
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<p>http://tldp.org/LDP/abs/html/complexfunct.html
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<p>http://programmingexamples.wikidot.com/bash-scripting#toc24
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<p>https://wiki.ubuntuusers.de/Shell/Bash-Skripting-Guide_für_Anfänger/#Quoting
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<div>
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- script kontrolle ( strg-z etc )
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- input
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- parameter
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- functions
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- kontrollstrukturen
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-
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</section>
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<section>
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<h3>Variablen</h3>
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<pre><code>#!/bin/bash
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x=10 #NICHT x = 10 -> keine Leerzeichen!
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X=20 #variablen sind Case Sensitive
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$y= #NULL variable
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echo "x = $x"
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echo "X = $X"
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echo "y = $y"</code></pre>
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</section>
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<section>
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<h3>Kommentare</h3>
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<pre><code>
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#!/bin/bash
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# Diese Zeile ist ein Kommentar
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echo "A comment will follow." # Comment here.
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echo "The # here does not begin a comment."
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echo 'The # here does not begin a comment.'
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echo The \# here does not begin a comment.
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echo The # here begins a comment.
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echo ${PATH#*:} # Parameter substitution, not a comment.
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echo $(( 2#101011 )) # Base conversion, not a comment.
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</code>
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</pre>
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</section>
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<section>
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<h3>Quotes</h3>
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<ul>
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<li class="fragment ">Double Quotes: " " -Anything enclose in double quotes removed meaning of that characters (except \ and $).</li>
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<li class="fragment ">Single quotes: ' ' - Enclosed in single quotes remains unchanged.</li>
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<li class="fragment ">Back quote: ` ` - To execute command</li>
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</ul>
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</section>
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<section>
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<h3>Input - Output redirection</h3>
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<ul>
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<li class="fragment "> > : output in Datei. Best. Datei wird überschrieben!</li>
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<li class="fragment "> >> : output an Datei anhängen.</li>
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<li class="fragment "> < : Kommando Input aus Datei lesen</li>
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</ul>
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<pre><code>#!/bin/bash
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echo "ls > file_list"
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ls > file_list
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echo "ls -la >> file_list"
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ls -la >> file_list
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echo "cat < file_list"
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cat < file_list</code></pre>
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</section>
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<section>
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- arithmetik
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let "m = 4 * 1024";echo $m
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let "m += 15"
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let "m -= 3"
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let "m /= 5"
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let "m %= 10"
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let "m++"
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let "m--"
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let "k = (m < 9) ? 0 : 1"
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condition ? value-if-true : value-if-false
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Floating Poin:
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echo "32.0 + 1.4" | bc
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echo `expr $m + 18`
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m=`expr $m + 18`
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(( m *= 4 ))
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</section>
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2019-01-02 15:04:16 +01:00
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<section data-transition="slide" data-background="#4d7e65" data-background-transition="zoom">
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2019-01-08 13:08:27 +01:00
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2019-01-02 15:04:16 +01:00
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</section>
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2019-01-08 13:08:27 +01:00
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2019-01-02 15:04:16 +01:00
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<section>
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<h3>Die 5 Level eines Vim Magiers</h3>
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<ul>
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<li>Level 0: nichts über vim wissen
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<li>Level 1: vim basics kennen
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<li>Level 2: den visual mode kennen
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<li>Level 3: diverse „motions“ kennen
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<li>Level 4: den visual mode nicht brauchen
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</ul>
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<p>https://danielmiessler.com/study/vim/
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</section>
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</div>
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