<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Linux on HeidelSec</title><link>https://heidelsec.de/en/tags/linux/</link><description>Recent content in Linux on HeidelSec</description><image><title>HeidelSec</title><url>https://heidelsec.de/images/og.jpg</url><link>https://heidelsec.de/images/og.jpg</link></image><generator>Hugo -- 0.167.0</generator><language>en</language><copyright>2026 Imprint - Privacy Policy</copyright><lastBuildDate>Fri, 08 Nov 2024 15:30:00 +0100</lastBuildDate><atom:link href="https://heidelsec.de/en/tags/linux/index.xml" rel="self" type="application/rss+xml"/><item><title>Download a Complete Website with wget</title><link>https://heidelsec.de/en/posts/2024-11-08-wget-mirror-website/</link><pubDate>Fri, 08 Nov 2024 15:30:00 +0100</pubDate><guid>https://heidelsec.de/en/posts/2024-11-08-wget-mirror-website/</guid><description>&lt;h2 id="saving-a-website-for-offline-use"&gt;Saving a Website for Offline Use&lt;/h2&gt;
&lt;p&gt;Using &lt;code&gt;wget&lt;/code&gt;, you can download an entire website for offline access with this command:&lt;/p&gt;
&lt;div class="highlight"&gt;&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-bash" data-lang="bash"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;wget -rkpNc -e &lt;span class="nv"&gt;robots&lt;/span&gt;&lt;span class="o"&gt;=&lt;/span&gt;off http://www.example.com/
&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;h3 id="parameters-explained"&gt;Parameters Explained&lt;/h3&gt;
&lt;ul&gt;
&lt;li&gt;&lt;strong&gt;&lt;code&gt;-r&lt;/code&gt;&lt;/strong&gt;: Download pages recursively.&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;&lt;code&gt;-k&lt;/code&gt;&lt;/strong&gt;: Adjust links for local viewing.&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;&lt;code&gt;-p&lt;/code&gt;&lt;/strong&gt;: Fetch all resources (images, scripts).&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;&lt;code&gt;-N&lt;/code&gt;&lt;/strong&gt;: Only download new or modified files.&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;&lt;code&gt;-e robots=off&lt;/code&gt;&lt;/strong&gt;: Ignore &lt;code&gt;robots.txt&lt;/code&gt; restrictions.&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;&lt;code&gt;-c&lt;/code&gt;&lt;/strong&gt;: Continue the download if interrupted.&lt;/li&gt;
&lt;/ul&gt;
&lt;p&gt;With this command, &lt;code&gt;wget&lt;/code&gt; reliably saves the entire site for offline use.&lt;/p&gt;</description></item><item><title>cAdvisor on Synology</title><link>https://heidelsec.de/en/posts/2024-11-07-docker-cadvisor-synology/</link><pubDate>Thu, 07 Nov 2024 10:30:00 +0100</pubDate><guid>https://heidelsec.de/en/posts/2024-11-07-docker-cadvisor-synology/</guid><description>&lt;h2 id="cadvisor-on-synology"&gt;cAdvisor on Synology&lt;/h2&gt;
&lt;p&gt;Running cAdvisor in Docker on Synology was a challenge, as it often wouldn&amp;rsquo;t start despite no changes to the launch options. The issue turned out to be related to the &lt;code&gt;inotify&lt;/code&gt; settings.&lt;/p&gt;
&lt;h3 id="the-problem"&gt;The Problem&lt;/h3&gt;
&lt;p&gt;When running the following command to start cAdvisor:&lt;/p&gt;
&lt;div class="highlight"&gt;&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-bash" data-lang="bash"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;docker run --name&lt;span class="o"&gt;=&lt;/span&gt;cadvisor &lt;span class="se"&gt;\
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; --volume&lt;span class="o"&gt;=&lt;/span&gt;&lt;span class="s2"&gt;&amp;#34;/:/rootfs:ro&amp;#34;&lt;/span&gt; &lt;span class="se"&gt;\
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; --volume&lt;span class="o"&gt;=&lt;/span&gt;&lt;span class="s2"&gt;&amp;#34;/var/run:/var/run:ro&amp;#34;&lt;/span&gt; &lt;span class="se"&gt;\
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; --volume&lt;span class="o"&gt;=&lt;/span&gt;&lt;span class="s2"&gt;&amp;#34;/sys:/sys:ro&amp;#34;&lt;/span&gt; &lt;span class="se"&gt;\
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; --volume&lt;span class="o"&gt;=&lt;/span&gt;&lt;span class="s2"&gt;&amp;#34;/var/packages/ContainerManager/var/docker/:/var/lib/docker:ro&amp;#34;&lt;/span&gt; &lt;span class="se"&gt;\
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; --security-opt no-new-privileges&lt;span class="o"&gt;=&lt;/span&gt;&lt;span class="nb"&gt;true&lt;/span&gt; &lt;span class="se"&gt;\
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; --restart&lt;span class="o"&gt;=&lt;/span&gt;on-failure:5 &lt;span class="se"&gt;\
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; google/cadvisor:latest --docker_only&lt;span class="o"&gt;=&lt;/span&gt;&lt;span class="nb"&gt;true&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;div class="highlight"&gt;&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-yml" data-lang="yml"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="nt"&gt;cadvisor&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="nt"&gt;image&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="l"&gt;gcr.io/cadvisor/cadvisor:latest&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="nt"&gt;container_name&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="l"&gt;cadvisor&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="nt"&gt;read_only&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="kc"&gt;true&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="nt"&gt;security_opt&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt; &lt;/span&gt;- &lt;span class="kc"&gt;no&lt;/span&gt;-&lt;span class="l"&gt;new-privileges=true&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="nt"&gt;command&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt; &lt;/span&gt;- &lt;span class="s2"&gt;&amp;#34;--docker_only=true&amp;#34;&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="nt"&gt;volumes&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt; &lt;/span&gt;- &lt;span class="l"&gt;/:/rootfs:ro&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt; &lt;/span&gt;- &lt;span class="l"&gt;/var/run:/var/run:ro&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt; &lt;/span&gt;- &lt;span class="l"&gt;/sys:/sys:ro&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt; &lt;/span&gt;- &lt;span class="l"&gt;/var/packages/ContainerManager/var/docker/:/var/lib/docker:ro&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="nt"&gt;restart&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="kc"&gt;on&lt;/span&gt;-&lt;span class="l"&gt;failure:5&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;p&gt;I encountered the error:&lt;/p&gt;</description></item></channel></rss>