85 lines
2.0 KiB
HTML
85 lines
2.0 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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<title>Dakota's tilde.club</title>
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<link rel="stylesheet" type="text/css" href="tilde.css" media="screen" />
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<script src="tilde.js" async defer crossorigin="anonymous"></script>
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</head>
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<body>
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<header>
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<h1>David Dakota Blair</h1>
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<h2>Table of Contents</h2>
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<ol>
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<li><a href="#about">About</a></li>
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<li><a href="#bash">Fun bash one liners</a></li>
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<li>
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<a href="#readings">Readings</a>:
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<a href="#2020">2020</a>
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<a href="#2019">2019</a>
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<a href="#2018">2018</a>
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<a href="#2017">2017</a>
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<a href="#2016">2016</a>
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<a href="#2015">2015</a>
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</li>
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</ol>
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</header>
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<hr />
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<section id="about">
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<h1>About</h1>
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This is Dakota's tilde.club page.
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</section>
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<hr />
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<section id="bash">
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<h1>Fun bash one liners</h1>
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<dl>
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<dt>Print a few random numbers</dt>
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<dd>od -d < /dev/random | awk '{ print $2 }' | head</dd>
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</dl>
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<dl>
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<dt>A simple awk for isolating columns</dt>
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<dd>awk '{print $2}'</dd>
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</dl>
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<dl>
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<dt>Find lines containing literal tabs</dt>
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<dd>awk '/\t/'</dd>
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<dd>grep -P</dd>
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</dl>
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<dl>
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<dt>Remove all tab characters</dt>
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<dd>tr -d '\t'</dd>
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</dl>
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<dl>
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<dt>Join files using a tab separator</dt>
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<dd>join -t $'\t' file1 file2</dd>
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</dl>
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<dl>
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<dt>Simple system benchmarks</dt>
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<dd>yes | sed '=' | sed '/y/d'</dd>
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<dd>time seq -n 1e6</dd>
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</dl>
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<dl>
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<dt>What shell am I using?</dt>
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<dd>lsof -p $$</dd>
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</dl>
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<dl>
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<dt>See which processes are listening to a $PORT</dt>
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<dd>netstat -pntl | grep $PORT # linux</dd>
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<dd>lsof -nP -iTCP:$PORT | grep LISTEN # os x</dd>
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</dl>
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<dl>
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<dt>Useful flags for rsync</dt>
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<dd>rsync -h --progress --stats --verbose</dd>
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</dl>
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<dl>
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<dt>Recover files from a slightly corrupted tar archive</dt>
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<dd>cpio -ivd -H tar < file.tar</dd>
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</dl>
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</section>
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<hr />
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<section id="readings">
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{{readings}}
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</section>
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</body>
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</html>
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