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	<id>http://wiki.dersllc.com/index.php?action=history&amp;feed=atom&amp;title=DERs%2FDCOS</id>
	<title>DERs/DCOS - Revision history</title>
	<link rel="self" type="application/atom+xml" href="http://wiki.dersllc.com/index.php?action=history&amp;feed=atom&amp;title=DERs%2FDCOS"/>
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	<updated>2026-05-05T14:22:22Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://wiki.dersllc.com/index.php?title=DERs/DCOS&amp;diff=31&amp;oldid=prev</id>
		<title>Admin: Created page with &quot;= DCOS Documentation =  === Disable clock-sync check on dcos-checks-poststart.service ===  sed -i &#039;s/&quot;clock_sync&quot;\:/&quot;clock_sync1&quot;\:/&#039; /opt/mesosphere/etc/dcos-diagnostics-runner-config.json  sed -i &#039;/&quot;clock_sync&quot;/d&#039; /opt/mesosphere/etc/dcos-diagnostics-runner-config.json  sed -i &#039;s/&quot;journald_dir_permissions&quot;,/&quot;journald_dir_permissions&quot;/&#039; /opt/mesosphere/etc/dcos-diagnostics-runner-config.json  sed -i &#039;s/&quot;clock_sync1&quot;\:/&quot;clock_sync&quot;\:/&#039; /opt/mesosphere/etc/dcos-diagnostic...&quot;</title>
		<link rel="alternate" type="text/html" href="http://wiki.dersllc.com/index.php?title=DERs/DCOS&amp;diff=31&amp;oldid=prev"/>
		<updated>2023-06-02T19:13:21Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;= DCOS Documentation =  === Disable clock-sync check on dcos-checks-poststart.service ===  sed -i &amp;#039;s/&amp;quot;clock_sync&amp;quot;\:/&amp;quot;clock_sync1&amp;quot;\:/&amp;#039; /opt/mesosphere/etc/dcos-diagnostics-runner-config.json  sed -i &amp;#039;/&amp;quot;clock_sync&amp;quot;/d&amp;#039; /opt/mesosphere/etc/dcos-diagnostics-runner-config.json  sed -i &amp;#039;s/&amp;quot;journald_dir_permissions&amp;quot;,/&amp;quot;journald_dir_permissions&amp;quot;/&amp;#039; /opt/mesosphere/etc/dcos-diagnostics-runner-config.json  sed -i &amp;#039;s/&amp;quot;clock_sync1&amp;quot;\:/&amp;quot;clock_sync&amp;quot;\:/&amp;#039; /opt/mesosphere/etc/dcos-diagnostic...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;= DCOS Documentation =&lt;br /&gt;
&lt;br /&gt;
=== Disable clock-sync check on dcos-checks-poststart.service ===&lt;br /&gt;
 sed -i &amp;#039;s/&amp;quot;clock_sync&amp;quot;\:/&amp;quot;clock_sync1&amp;quot;\:/&amp;#039; /opt/mesosphere/etc/dcos-diagnostics-runner-config.json&lt;br /&gt;
 sed -i &amp;#039;/&amp;quot;clock_sync&amp;quot;/d&amp;#039; /opt/mesosphere/etc/dcos-diagnostics-runner-config.json&lt;br /&gt;
 sed -i &amp;#039;s/&amp;quot;journald_dir_permissions&amp;quot;,/&amp;quot;journald_dir_permissions&amp;quot;/&amp;#039; /opt/mesosphere/etc/dcos-diagnostics-runner-config.json&lt;br /&gt;
 sed -i &amp;#039;s/&amp;quot;clock_sync1&amp;quot;\:/&amp;quot;clock_sync&amp;quot;\:/&amp;#039; /opt/mesosphere/etc/dcos-diagnostics-runner-config.json&lt;br /&gt;
&lt;br /&gt;
=== Enable Chrony NTP service ===&lt;br /&gt;
 yum install -y chrony&lt;br /&gt;
 systemctl start chronyd&lt;br /&gt;
 systemctl enable chronyd&lt;br /&gt;
 cat &amp;gt; /etc/chrony.conf  &amp;lt;&amp;lt; &amp;quot;EOF&amp;quot;&lt;br /&gt;
 server 192.168.1.73 iburst&lt;br /&gt;
 EOF&lt;br /&gt;
 &lt;br /&gt;
 systemctl restart chronyd&lt;br /&gt;
 chronyc tracking&lt;br /&gt;
 chronyc sources&lt;br /&gt;
 chronyc sourcestats&lt;br /&gt;
&lt;br /&gt;
=== Setup Proxy Server for Docker ===&lt;br /&gt;
 mkdir -p /etc/systemd/system/docker.service.d&lt;br /&gt;
 cat &amp;gt; /etc/systemd/system/docker.service.d/http-proxy.conf &amp;lt;&amp;lt; &amp;quot;EOF&amp;quot;&lt;br /&gt;
 [Service]&lt;br /&gt;
 Environment=&amp;quot;HTTPS_PROXY=https://192.168.1.73:3128/&amp;quot;&lt;br /&gt;
 Environment=&amp;quot;HTTP_PROXY=http://192.168.1.73:3128/&amp;quot;&lt;br /&gt;
 Environment=&amp;quot;FTP_PROXY=ftp://192.168.1.73:3128/&amp;quot;&lt;br /&gt;
 Environment=&amp;quot;NO_PROXY=localhost,127.0.0.0/8,dersllc.com&amp;quot;&lt;br /&gt;
 EOF&lt;br /&gt;
 &lt;br /&gt;
 systemctl daemon-reload&lt;br /&gt;
 systemctl restart docker&lt;br /&gt;
&lt;br /&gt;
=== Setup Proxy Server for Docker Containers ===&lt;br /&gt;
 cat &amp;lt;&amp;lt;EOF | sudo tee -a /etc/sysconfig/docker&lt;br /&gt;
 http_proxy=&amp;quot;http://192.168.1.73:3128/&amp;quot;&lt;br /&gt;
 https_proxy=&amp;quot;https://192.168.1.73:3128/&amp;quot;&lt;br /&gt;
 ftp_proxy=&amp;quot;ftp://192.168.1.73:3128/&amp;quot;&lt;br /&gt;
 no_proxy=&amp;lt;REGISTRY_IP&amp;gt;&lt;br /&gt;
 EOF&lt;br /&gt;
  &lt;br /&gt;
 sudo sed -i &amp;#039;/\[Service\]/a EnvironmentFile=/etc/sysconfig/docker&amp;#039; /usr/lib/systemd/system/docker.service&lt;br /&gt;
 sudo systemctl daemon-reload&lt;br /&gt;
 sudo service docker restart&lt;/div&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
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