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Add notes for 2018-12-29

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Alan Orth
2018-12-30 18:11:49 +02:00
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@ -21,7 +21,7 @@ I noticed that there is another issue with PDF thumbnails on CGSpace, and I see
" />
<meta property="og:type" content="article" />
<meta property="og:url" content="https://alanorth.github.io/cgspace-notes/2018-12/" /><meta property="article:published_time" content="2018-12-02T02:09:30&#43;02:00"/>
<meta property="article:modified_time" content="2018-12-20T12:56:16&#43;02:00"/>
<meta property="article:modified_time" content="2018-12-20T17:41:09&#43;02:00"/>
<meta name="twitter:card" content="summary"/>
<meta name="twitter:title" content="December, 2018"/>
@ -38,7 +38,7 @@ Then I ran all system updates and restarted the server
I noticed that there is another issue with PDF thumbnails on CGSpace, and I see there was another Ghostscript vulnerability last week
"/>
<meta name="generator" content="Hugo 0.52" />
<meta name="generator" content="Hugo 0.53" />
@ -48,9 +48,9 @@ I noticed that there is another issue with PDF thumbnails on CGSpace, and I see
"@type": "BlogPosting",
"headline": "December, 2018",
"url": "https://alanorth.github.io/cgspace-notes/2018-12/",
"wordCount": "2940",
"wordCount": "3086",
"datePublished": "2018-12-02T02:09:30&#43;02:00",
"dateModified": "2018-12-20T12:56:16&#43;02:00",
"dateModified": "2018-12-20T17:41:09&#43;02:00",
"author": {
"@type": "Person",
"name": "Alan Orth"
@ -670,6 +670,47 @@ UPDATE 1
<li>After all that I started a full Discovery reindex to get the index name changes and rights updates</li>
</ul>
<h2 id="2018-12-29">2018-12-29</h2>
<ul>
<li>CGSpace went down today for a few minutes while I was at dinner and I quickly restarted Tomcat</li>
<li>The top IP addresses as of this evening are:</li>
</ul>
<pre><code># zcat --force /var/log/nginx/*.log /var/log/nginx/*.log.1 | grep -E &quot;29/Dec/2018&quot; | awk '{print $1}' | sort | uniq -c | sort -n | tail -n 10
963 40.77.167.152
987 35.237.175.180
1062 40.77.167.55
1464 66.249.66.223
1660 34.218.226.147
1801 70.32.83.92
2005 50.116.102.77
3218 66.249.66.219
4608 205.186.128.185
5585 54.70.40.11
</code></pre>
<ul>
<li>And just around the time of the alert:</li>
</ul>
<pre><code># zcat --force /var/log/nginx/*.log.1 /var/log/nginx/*.log.2.gz | grep -E &quot;29/Dec/2018:1(6|7|8)&quot; | awk '{print $1}' | sort | uniq -c | sort -n | tail -n 10
115 66.249.66.223
118 207.46.13.14
123 34.218.226.147
133 95.108.181.88
137 35.237.175.180
164 66.249.66.219
260 157.55.39.59
291 40.77.167.55
312 207.46.13.129
1253 54.70.40.11
</code></pre>
<ul>
<li>All these look ok (<code>54.70.40.11</code> is known to us from earlier this month and should be reusing its Tomcat sessions)</li>
</ul>
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