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	<title>UCS &#8211; blog.doerflinger.org</title>
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		<title>Installing Open-Xchange 7.8 on UCS when the master is on 4.3</title>
		<link>https://blog.doerflinger.org/2018/06/installing-open-xchange-78-on-ucs-when-the-master-is-on-4-3/</link>
		
		<dc:creator><![CDATA[dirk]]></dc:creator>
		<pubDate>Fri, 15 Jun 2018 10:43:29 +0000</pubDate>
				<category><![CDATA[Cloud]]></category>
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		<category><![CDATA[UCS]]></category>
		<guid isPermaLink="false">http://blog.doerflinger.org/?p=479</guid>

					<description><![CDATA[OX is on the verge of releasing Version 7.10. That version will not be supported on (or packaged for) Debian 8 Jessie, but only on Debian 9 Stretch (and of course RedHat and SuSE). On the other hand, 7.8.x will not be supported on (or packaged for) Stretch. The latest UCS version is 4.3 at...]]></description>
										<content:encoded><![CDATA[<p>OX is on the verge of <a href="https://www.open-xchange.com/resources/ox-blog/article/ox-app-suite-710-is-just-around-the-corner/" target="_blank" rel="noopener noreferrer">releasing</a> Version 7.10. That version will not be supported on (or packaged for) Debian 8 Jessie, but only on Debian 9 Stretch (and of course RedHat and SuSE). On the other hand, 7.8.x will not be supported on (or packaged for) Stretch.</p>
<p>The latest UCS version is 4.3 at the moment. This is based on Debian Stretch.</p>
<p>Therefore the current OX is not supported on UCS 4.3, but according to Open Xchange an  Univention, OX 7.8.4 on UCS 4.2 is supported in an environment with 4.3 servers.</p>
<p>So, when your UCS master is running 4.3, you can theoretically run OX on a 4.2 server. This works fine when you installed OX while the master is still on 4.2 or earlier.</p>
<p>In my case, my master was on 4.3. In order to install OX, I set up a server with UC 4.2 and joined it to the master. This already broke on installation but worked in a later step flawlessly.</p>
<p>Next, I started to install OX:</p>
<pre class=""><code></code></pre>
<pre class="EnlighterJSRAW" data-enlighter-language="generic" data-enlighter-linenumbers="false">[root@ucsox:~] # univention-app install oxseforucs  ... Installing some packages of oxseforucs on ucsmaster.mydomain Password for root@ucsmaster.mydomain: Going to install OX App Suite (7.8.4-ucs10) (must_have_fitting_ucs_version) The application requires UCS version 4.2. Unable to install oxseforucs. Aborting... Installing master packages for oxseforucs on ucsmaster.mydomain failed!</pre>
<pre class=""><code></code></pre>
<pre class=""><code></code></pre>
<p>Oopsie. But consistent: <code>univention-app list</code> doesn&#8217;t show <em>oxseforucs</em> on the master, therefore there are no package sources and no packages. Fsck.</p>
<p>So let&#8217;s do this manually:</p>
<pre class="EnlighterJSRAW" data-enlighter-language="shell" data-enlighter-linenumbers="false">[root@ucsmaster:~] # ucr set repository/online/component/oxseforucs_20171205095418/description="OX App Suite" \
  repository/online/component/oxseforucs_20171205095418/localmirror=false \
  repository/online/component/oxseforucs_20171205095418/server="https://appcenter.software-univention.de" \
  repository/online/component/oxseforucs_20171205095418/unmaintained='disabled' \ 
  repository/online/component/oxseforucs_20171205095418/version='current' \
  repository/online/component/oxseforucs_20171205095418='enabled'
[root@ucsmaster:~] # apt-get update
[root@ucsmaster:~] # apt-get install univention-ox-common univention-ox-dependencies-master \
  univention-ox-directory-integration univention-ox-framework
</pre>
<pre class="">
Now you can install OX on the 4.2 server.</pre>
<pre class="">[root@ucsox:~] # univention-app install oxseforucs --do-not-install-master-packages-remotely</pre>
<p>Done</p>
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