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  <section id="upgrade-manually">
<h1>Upgrade manually<a class="headerlink" href="#upgrade-manually" title="Link to this heading"></a></h1>
<section id="overview">
<h2>Overview<a class="headerlink" href="#overview" title="Link to this heading"></a></h2>
<p>In some environments using the Built-in Updater in Web mode is not reliable (such as due to web server
timeouts) and running it in command-line mode is not an option (such as in some shared hosting environments).
In these cases a manual upgrade may be the best approach.</p>
<p>A manual upgrade consists of downloading and unpacking the Nextcloud Archive file either to your PC or host. Then
deleting your existing Nextcloud Server installation files and folders, <strong>except ``data/`` and ``config/``</strong>, on
your host. Then moving the new Nextcloud Server installation files into the appropriate place on your host,
again preserving your existing <code class="docutils literal notranslate"><span class="pre">data/</span></code> and <code class="docutils literal notranslate"><span class="pre">config/</span></code> files. And doing a few other housekeeping items, such as
making sure your installed apps are transferred into the new installation and adjusting permissions. That may sound
like a lot, but detailed instructions are below.</p>
<div class="admonition important">
<p class="admonition-title">Important</p>
<p>Before upgrading, especially between major versions (e.g. v27.y.z -&gt; v28.y.z) please review
<a class="reference internal" href="../release_notes/index.html#critical-changes"><span class="std std-ref">critical changes</span></a> first. These are highlights of changes that may be required
in your environment to accommodate changes in Nextcloud Server. These notes are periodically revised as
needed so it is a good idea to revisit them even when proceeding with minor and maintenance upgrades just
in case.</p>
</div>
<div class="admonition warning">
<p class="admonition-title">Warning</p>
<p>When upgrading manually, you must confirm your system meets the
<a class="reference internal" href="../installation/system_requirements.html"><span class="doc">System requirements</span></a> of the new version as well as that you are
following the standard <a class="reference internal" href="upgrade.html"><span class="doc">upgrade requirements</span></a> (such as upgrading to
the latest maintenance release <em>before</em> upgrading to a new major release).</p>
</div>
</section>
<section id="step-by-step-manual-upgrade">
<h2>Step-by-Step Manual Upgrade<a class="headerlink" href="#step-by-step-manual-upgrade" title="Link to this heading"></a></h2>
<div class="admonition important">
<p class="admonition-title">Important</p>
<p>Always start by making a fresh backup and disabling all 3rd party apps.</p>
</div>
<ol class="arabic">
<li><p>Back up your existing Nextcloud Server database, data directory, and
<code class="docutils literal notranslate"><span class="pre">config.php</span></code> file. (See <a class="reference internal" href="backup.html"><span class="doc">Backup</span></a>, for restore information see <a class="reference internal" href="restore.html"><span class="doc">Restoring backup</span></a>)</p></li>
<li><p>Choose a target Nextcloud Server release from <a class="reference external" href="https://nextcloud.com/changelog/">https://nextcloud.com/changelog/</a> and
download the Archive file (tarball or zip archive) into an empty directory outside of
your current installation.</p>
<div class="admonition warning">
<p class="admonition-title">Warning</p>
<p>You cannot jump more than one major version forward at a time
(i.e. 27-&gt;28 is okay, but 27-&gt;29 is not).</p>
</div>
</li>
<li><p>Unpack the the downloaded tarball or zip archive - e.g.:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">unzip</span> <span class="n">nextcloud</span><span class="o">-</span><span class="p">[</span><span class="n">version</span><span class="p">]</span><span class="o">.</span><span class="n">zip</span>
<span class="p">(</span><span class="ow">or</span><span class="p">)</span>
<span class="n">tar</span> <span class="o">-</span><span class="n">xjf</span> <span class="n">nextcloud</span><span class="o">-</span><span class="p">[</span><span class="n">version</span><span class="p">]</span><span class="o">.</span><span class="n">tar</span><span class="o">.</span><span class="n">bz2</span>
</pre></div>
</div>
</li>
<li><p>Stop your Web server.</p></li>
<li><p>In case you are running a cron-job for nextcloud’s house-keeping disable it
by commenting the entry in the crontab file:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">crontab</span> <span class="o">-</span><span class="n">u</span> <span class="n">www</span><span class="o">-</span><span class="n">data</span> <span class="o">-</span><span class="n">e</span>
</pre></div>
</div>
<p>(Put a <cite>#</cite> at the beginning of the corresponding line.)</p>
</li>
<li><p>Rename your current Nextcloud directory, for example <code class="docutils literal notranslate"><span class="pre">nextcloud-old</span></code>.</p></li>
<li><p>Unpacking the new archive creates a new <code class="docutils literal notranslate"><span class="pre">nextcloud</span></code> directory populated
with your new server files. Move this directory and its contents to the
original location of your old server. For example <code class="docutils literal notranslate"><span class="pre">/var/www/</span></code>, so that
once again you have <code class="docutils literal notranslate"><span class="pre">/var/www/nextcloud</span></code>.</p></li>
<li><p>Copy the <code class="docutils literal notranslate"><span class="pre">config/config.php</span></code> file from your old Nextcloud directory to your new
Nextcloud directory.</p></li>
<li><p>If you keep your <code class="docutils literal notranslate"><span class="pre">data/</span></code> directory in your <code class="docutils literal notranslate"><span class="pre">nextcloud/</span></code> directory, move
it from your old version of Nextcloud to your new <code class="docutils literal notranslate"><span class="pre">nextcloud/</span></code>. If you keep
it outside of <code class="docutils literal notranslate"><span class="pre">nextcloud/</span></code> then you don’t have to do anything with it,
because its location is configured in your original <code class="docutils literal notranslate"><span class="pre">config.php</span></code>, and
none of the upgrade steps touch it.</p></li>
<li><p>If you are using 3rd party application, it may not always be available in your
upgraded/new Nextcloud instance. To check this, compare a list of the apps in the
new <code class="docutils literal notranslate"><span class="pre">nextcloud/apps/</span></code> folder to a list of the of the apps in your backed-up/old
<code class="docutils literal notranslate"><span class="pre">nextcloud/apps/</span></code> folder. If you find 3rd party apps in the old folder that needs
to be in the new/upgraded instance, simply copy them over and ensure the permissions
are set up as shown below.</p></li>
<li><p>If you have additional apps folders like for example <code class="docutils literal notranslate"><span class="pre">nextcloud/apps-extras</span></code> or <code class="docutils literal notranslate"><span class="pre">nextcloud/apps-external</span></code>,
make sure to also transfer/keep these in the upgraded folder.</p></li>
<li><p>If you are using 3rd party theme make sure to copy it from your <code class="docutils literal notranslate"><span class="pre">themes/</span></code>
directory to your new one. It is possible you will have to make some
modifications to it after the upgrade.</p></li>
<li><p>Adjust file ownership and permissions:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">chown</span> <span class="o">-</span><span class="n">R</span> <span class="n">www</span><span class="o">-</span><span class="n">data</span><span class="p">:</span><span class="n">www</span><span class="o">-</span><span class="n">data</span> <span class="n">nextcloud</span>
<span class="n">find</span> <span class="n">nextcloud</span><span class="o">/</span> <span class="o">-</span><span class="nb">type</span> <span class="n">d</span> <span class="o">-</span><span class="n">exec</span> <span class="n">chmod</span> <span class="mi">750</span> <span class="p">{}</span> \<span class="p">;</span>
<span class="n">find</span> <span class="n">nextcloud</span><span class="o">/</span> <span class="o">-</span><span class="nb">type</span> <span class="n">f</span> <span class="o">-</span><span class="n">exec</span> <span class="n">chmod</span> <span class="mi">640</span> <span class="p">{}</span> \<span class="p">;</span>
</pre></div>
</div>
</li>
<li><p>Restart your Web server.</p></li>
<li><p>Now launch the upgrade from the command line using <code class="docutils literal notranslate"><span class="pre">occ</span></code>, like this
example on Ubuntu Linux:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">sudo</span> <span class="o">-</span><span class="n">u</span> <span class="n">www</span><span class="o">-</span><span class="n">data</span> <span class="n">php</span> <span class="n">occ</span> <span class="n">upgrade</span>
</pre></div>
</div>
<p>(!) this MUST be executed from within your nextcloud installation directory</p>
</li>
<li><p>The upgrade operation takes a few minutes to a few hours, depending on the
size of your installation. When it is finished you will see a success
message, or an error message that will tell where it went wrong.</p></li>
<li><p>Re-enable the nextcloud cron-job. (See step 4 above.)</p>
<blockquote>
<div><p>crontab -u www-data -e</p>
</div></blockquote>
<p>(Delete the <cite>#</cite> at the beginning of the corresponding line in the crontab file.)</p>
</li>
</ol>
<p>Login and take a look at the bottom of your Admin page to
verify the version number. Check your other settings to make sure they’re
correct. Go to the Apps page and review the core apps to make sure the right
ones are enabled. Re-enable your third-party apps.</p>
</section>
<section id="previous-nextcloud-releases">
<h2>Previous Nextcloud releases<a class="headerlink" href="#previous-nextcloud-releases" title="Link to this heading"></a></h2>
<p>You’ll find previous Nextcloud releases in the <a class="reference external" href="https://nextcloud.com/changelog/">Nextcloud Server Changelog</a>.</p>
</section>
<section id="troubleshooting">
<h2>Troubleshooting<a class="headerlink" href="#troubleshooting" title="Link to this heading"></a></h2>
<p>Occasionally, <em>files do not show up after a upgrade</em>. A rescan of the files can
help:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">sudo</span> <span class="o">-</span><span class="n">u</span> <span class="n">www</span><span class="o">-</span><span class="n">data</span> <span class="n">php</span> <span class="n">console</span><span class="o">.</span><span class="n">php</span> <span class="n">files</span><span class="p">:</span><span class="n">scan</span> <span class="o">--</span><span class="nb">all</span>
</pre></div>
</div>
<p>See <a class="reference external" href="https://nextcloud.com/support/">the nextcloud.com support page</a> for further
resources.</p>
<p>Sometimes, Nextcloud can get <em>stuck in a upgrade</em> if the web based upgrade
process is used. This is usually due to the process taking too long and
encountering a PHP time-out. Stop the upgrade process this way:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">sudo</span> <span class="o">-</span><span class="n">u</span> <span class="n">www</span><span class="o">-</span><span class="n">data</span> <span class="n">php</span> <span class="n">occ</span> <span class="n">maintenance</span><span class="p">:</span><span class="n">mode</span> <span class="o">--</span><span class="n">off</span>
</pre></div>
</div>
<p>Then start the manual process:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">sudo</span> <span class="o">-</span><span class="n">u</span> <span class="n">www</span><span class="o">-</span><span class="n">data</span> <span class="n">php</span> <span class="n">occ</span> <span class="n">upgrade</span>
</pre></div>
</div>
<p>If this does not work properly, try the repair function:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">sudo</span> <span class="o">-</span><span class="n">u</span> <span class="n">www</span><span class="o">-</span><span class="n">data</span> <span class="n">php</span> <span class="n">occ</span> <span class="n">maintenance</span><span class="p">:</span><span class="n">repair</span>
</pre></div>
</div>
</section>
</section>


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