49 lines
1.2 KiB
Java
49 lines
1.2 KiB
Java
<h2>Shebang</h2>
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<pre><code>#!/bin/bash</code></pre>
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<h2>Comments</h2>
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<pre><code># This is a comment</code></pre>
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<h2>Strings</h2>
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<pre><code>STRING="Hello World"
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'Single and
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multi-line strings are supported.'
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"Single and
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multi-line strings are supported."
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cat << EOF
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Here-Documents
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are also supported
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EOF</code></pre>
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<h2>Variables</h2>
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<pre><code>echo $STRING
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args=("$@")
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echo ${args[0]} ${args[1]} ${args[2]}</code></pre>
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<h2>Keywords</h2>
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<pre><code>for (( i=0;i<$ELEMENTS;i++)); do
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echo ${ARRAY[${i}]}
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done
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while read LINE; do
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ARRAY[$count]=$LINE
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((count++))
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done
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if [ -d $directory ]; then
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echo "Directory exists"
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else
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echo "Directory does not exists"
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fi
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</code></pre>
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<h2>Some well-known commands</h2>
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<pre><code>crontab -l -u USER | grep -v 'YOUR JOB COMMAND or PATTERN' | crontab -u USER -
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groups user1 user2|cut -d: -f2|xargs -n1|sort|uniq -d
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wget -q -O - http://www.example.com/automation/remotescript.sh | bash /dev/stdin parameter1 parameter2
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sudo dpkg -i vagrant_1.7.2_x86_64.deb
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git pull origin master
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sudo gpg --refresh-keys; sudo apt-key update; sudo rm -rf /var/lib/apt/{lists,lists.old}; sudo mkdir -p /var/lib/apt/lists/partial; sudo apt-get clean all; sudo apt-get update</code></pre> |