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245 lines
6.6 KiB
HTML
245 lines
6.6 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
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<meta property="og:title" content="January, 2019" />
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<meta property="og:description" content="2019-01-02
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Linode alerted that CGSpace (linode18) had a higher outbound traffic rate than normal early this morning
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I don’t see anything interesting in the web server logs around that time though:
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# zcat --force /var/log/nginx/*.log /var/log/nginx/*.log.1 | grep -E "02/Jan/2019:0(1|2|3)" | awk '{print $1}' | sort | uniq -c | sort -n | tail -n 10
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92 40.77.167.4
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99 210.7.29.100
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120 38.126.157.45
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177 35.237.175.180
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177 40.77.167.32
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216 66.249.75.219
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225 18.203.76.93
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261 46.101.86.248
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357 207.46.13.1
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903 54.70.40.11
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" />
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<meta property="og:type" content="article" />
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<meta property="og:url" content="https://alanorth.github.io/cgspace-notes/2019-01/" /><meta property="article:published_time" content="2019-01-02T09:48:30+02:00"/>
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<meta property="article:modified_time" content="2019-01-02T09:48:30+02:00"/>
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<meta name="twitter:card" content="summary"/>
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<meta name="twitter:title" content="January, 2019"/>
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<meta name="twitter:description" content="2019-01-02
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Linode alerted that CGSpace (linode18) had a higher outbound traffic rate than normal early this morning
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I don’t see anything interesting in the web server logs around that time though:
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# zcat --force /var/log/nginx/*.log /var/log/nginx/*.log.1 | grep -E "02/Jan/2019:0(1|2|3)" | awk '{print $1}' | sort | uniq -c | sort -n | tail -n 10
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92 40.77.167.4
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99 210.7.29.100
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120 38.126.157.45
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177 35.237.175.180
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177 40.77.167.32
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216 66.249.75.219
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225 18.203.76.93
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261 46.101.86.248
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357 207.46.13.1
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903 54.70.40.11
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"/>
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<meta name="generator" content="Hugo 0.53" />
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<script type="application/ld+json">
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{
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"@context": "http://schema.org",
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"@type": "BlogPosting",
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"headline": "January, 2019",
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"url": "https://alanorth.github.io/cgspace-notes/2019-01/",
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"wordCount": "180",
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"datePublished": "2019-01-02T09:48:30+02:00",
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"dateModified": "2019-01-02T09:48:30+02:00",
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"author": {
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"@type": "Person",
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"name": "Alan Orth"
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},
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"keywords": "Notes"
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}
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</script>
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<link rel="canonical" href="https://alanorth.github.io/cgspace-notes/2019-01/">
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<title>January, 2019 | CGSpace Notes</title>
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<!-- combined, minified CSS -->
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<link href="https://alanorth.github.io/cgspace-notes/css/style.css" rel="stylesheet" integrity="sha384-6+EGfPoOzk/n2DVJSlglKT8TV1TgIMvVcKI73IZgBswLasPBn94KommV6ilJqCXE" crossorigin="anonymous">
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</head>
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<body>
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<div class="blog-masthead">
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<div class="container">
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<nav class="nav blog-nav">
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<a class="nav-link " href="https://alanorth.github.io/cgspace-notes/">Home</a>
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</nav>
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</div>
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</div>
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<header class="blog-header">
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<div class="container">
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<h1 class="blog-title"><a href="https://alanorth.github.io/cgspace-notes/" rel="home">CGSpace Notes</a></h1>
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<p class="lead blog-description">Documenting day-to-day work on the <a href="https://cgspace.cgiar.org">CGSpace</a> repository.</p>
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</div>
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</header>
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<div class="container">
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<div class="row">
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<div class="col-sm-8 blog-main">
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<article class="blog-post">
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<header>
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<h2 class="blog-post-title"><a href="https://alanorth.github.io/cgspace-notes/2019-01/">January, 2019</a></h2>
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<p class="blog-post-meta"><time datetime="2019-01-02T09:48:30+02:00">Wed Jan 02, 2019</time> by Alan Orth in
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<i class="fa fa-tag" aria-hidden="true"></i> <a href="/cgspace-notes/tags/notes" rel="tag">Notes</a>
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</p>
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</header>
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<h2 id="2019-01-02">2019-01-02</h2>
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<ul>
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<li>Linode alerted that CGSpace (linode18) had a higher outbound traffic rate than normal early this morning</li>
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<li>I don’t see anything interesting in the web server logs around that time though:</li>
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</ul>
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<pre><code># zcat --force /var/log/nginx/*.log /var/log/nginx/*.log.1 | grep -E "02/Jan/2019:0(1|2|3)" | awk '{print $1}' | sort | uniq -c | sort -n | tail -n 10
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92 40.77.167.4
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99 210.7.29.100
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120 38.126.157.45
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177 35.237.175.180
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177 40.77.167.32
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216 66.249.75.219
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225 18.203.76.93
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261 46.101.86.248
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357 207.46.13.1
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903 54.70.40.11
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</code></pre>
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<ul>
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<li>Analyzing the types of requests made by the top few IPs during that time:</li>
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</ul>
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<pre><code># zcat --force /var/log/nginx/*.log /var/log/nginx/*.log.1 | grep -E "02/Jan/2019:0(1|2|3)" | grep 54.70.40.11 | grep -o -E "(bitstream|discover|handle)" | sort | uniq -c
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30 bitstream
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534 discover
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352 handle
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# zcat --force /var/log/nginx/*.log /var/log/nginx/*.log.1 | grep -E "02/Jan/2019:0(1|2|3)" | grep 207.46.13.1 | grep -o -E "(bitstream|discover|handle)" | sort | uniq -c
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194 bitstream
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345 handle
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# zcat --force /var/log/nginx/*.log /var/log/nginx/*.log.1 | grep -E "02/Jan/2019:0(1|2|3)" | grep 46.101.86.248 | grep -o -E "(bitstream|discover|handle)" | sort | uniq -c
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261 handle
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</code></pre>
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<ul>
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<li>It’s not clear to me what was causing the outbound traffic spike</li>
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</ul>
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<!-- vim: set sw=2 ts=2: -->
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</article>
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</div> <!-- /.blog-main -->
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<aside class="col-sm-3 ml-auto blog-sidebar">
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<section class="sidebar-module">
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<h4>Recent Posts</h4>
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<ol class="list-unstyled">
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<li><a href="/cgspace-notes/2019-01/">January, 2019</a></li>
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<li><a href="/cgspace-notes/2018-12/">December, 2018</a></li>
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<li><a href="/cgspace-notes/2018-11/">November, 2018</a></li>
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<li><a href="/cgspace-notes/2018-10/">October, 2018</a></li>
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<li><a href="/cgspace-notes/2018-09/">September, 2018</a></li>
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</ol>
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</section>
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<section class="sidebar-module">
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<h4>Links</h4>
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<ol class="list-unstyled">
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<li><a href="https://cgspace.cgiar.org">CGSpace</a></li>
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<li><a href="https://dspacetest.cgiar.org">DSpace Test</a></li>
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<li><a href="https://github.com/ilri/DSpace">CGSpace @ GitHub</a></li>
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</ol>
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</section>
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</aside>
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</div> <!-- /.row -->
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</div> <!-- /.container -->
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<footer class="blog-footer">
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<p>
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Blog template created by <a href="https://twitter.com/mdo">@mdo</a>, ported to Hugo by <a href='https://twitter.com/mralanorth'>@mralanorth</a>.
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</p>
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<p>
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<a href="#">Back to top</a>
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</p>
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</footer>
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</body>
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</html>
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