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<div class="section" id="pg-tileserv">
<h1><a class="toc-backref" href="#id2">pg_tileserv</a><a class="headerlink" href="#pg-tileserv" title="Permalink to this headline"></a></h1>
<div class="contents topic" id="table-of-contents">
<p class="topic-title">Table of Contents</p>
<ul class="simple">
<li><a class="reference internal" href="#pg-tileserv" id="id2">pg_tileserv</a><ul>
<li><a class="reference internal" href="#about" id="id3">About</a></li>
<li><a class="reference internal" href="#id1" id="id4">pg_tileserv</a></li>
<li><a class="reference internal" href="#command-line" id="id5">Command Line</a></li>
<li><a class="reference internal" href="#access" id="id6">Access</a></li>
<li><a class="reference internal" href="#webmin" id="id7">Webmin</a></li>
<li><a class="reference internal" href="#database" id="id8">Database</a></li>
<li><a class="reference internal" href="#loading-data" id="id9">Loading Data</a></li>
<li><a class="reference internal" href="#structure" id="id10">Structure</a></li>
<li><a class="reference internal" href="#configuration-file" id="id11">Configuration File</a></li>
<li><a class="reference internal" href="#enable-ssl" id="id12">Enable SSL</a></li>
<li><a class="reference internal" href="#the-postgisftw-database" id="id13">The postgisftw Database</a></li>
<li><a class="reference internal" href="#documentation" id="id14">Documentation</a></li>
</ul>
</li>
</ul>
</div>
<div class="section" id="about">
<h2><a class="toc-backref" href="#id3">About</a><a class="headerlink" href="#about" title="Permalink to this headline"></a></h2>
<p>pg_tileserv is produced by Crunch Data (<a class="reference external" href="https://www.crunchydata.com/">https://www.crunchydata.com/</a>)</p>
<p>The documentation and examples provided are extensive (<a class="reference external" href="https://access.crunchydata.com/documentation/pg_tileserv/latest/">https://access.crunchydata.com/documentation/pg_tileserv/latest/</a>)</p>
<p>Well confine ourselves below to the usage and layout of the service in GeoSuite</p>
</div>
<div class="section" id="id1">
<h2><a class="toc-backref" href="#id4">pg_tileserv</a><a class="headerlink" href="#id1" title="Permalink to this headline"></a></h2>
<p>pg_tileserv is installed as a systemd service during installation.</p>
<p>The service can be started and stopped via command line or Webmin.</p>
<p>The service file contents are show below.</p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">[Unit]</span>
<span class="go">Description=PG TileServ</span>
<span class="go">After=multi-user.target</span>
<span class="go">[Service]</span>
<span class="go">User=pgis</span>
<span class="go">WorkingDirectory=/opt/pg_tileserv</span>
<span class="go">Type=simple</span>
<span class="go">Restart=always</span>
<span class="go">ExecStart=/opt/pg_tileserv/pg_tileserv --config /opt/pg_tileserv/config/pg_tileserv.toml</span>
<span class="go">[Install]</span>
<span class="go">WantedBy=multi-user.target</span>
</pre></div>
</div>
<p>The file is installed at</p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">/etc/systemd/system/pg_tileserv.service</span>
</pre></div>
</div>
</div>
<div class="section" id="command-line">
<h2><a class="toc-backref" href="#id5">Command Line</a><a class="headerlink" href="#command-line" title="Permalink to this headline"></a></h2>
<p>Service commands:</p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">root@postgis:~# </span>service<span class="w"> </span>pg_tileser<span class="w"> </span>stop<span class="w"> </span><span class="p">|</span><span class="w"> </span>start
</pre></div>
</div>
</div>
<div class="section" id="access">
<h2><a class="toc-backref" href="#id6">Access</a><a class="headerlink" href="#access" title="Permalink to this headline"></a></h2>
<p>pg_tileserv runs of port 7800 and can be accessed at <a class="reference external" href="http://doamin.com:7800/">http://doamin.com:7800</a></p>
<p>You can change the port via the pg_tileserv.toml file located under /opt/pg_tileserv/config</p>
</div>
<div class="section" id="webmin">
<h2><a class="toc-backref" href="#id7">Webmin</a><a class="headerlink" href="#webmin" title="Permalink to this headline"></a></h2>
<p>To start and stop the pg_tileserv service, click the button as below.</p>
<img alt="../../_images/pgtileserv.png" src="../../_images/pgtileserv.png" />
<img alt="../../_images/spacer4.png" src="../../_images/spacer4.png" />
</div>
<div class="section" id="database">
<h2><a class="toc-backref" href="#id8">Database</a><a class="headerlink" href="#database" title="Permalink to this headline"></a></h2>
<p>On installation, a database is created called postgisftw.</p>
<p>This database contains the demo data.</p>
<p>A user pgis is also created and given permission to the database.</p>
<p>The password for pgis is displayed at the end of installation as well as saved to /root/auth.txt</p>
</div>
<div class="section" id="loading-data">
<h2><a class="toc-backref" href="#id9">Loading Data</a><a class="headerlink" href="#loading-data" title="Permalink to this headline"></a></h2>
<p>When loading data to any database for which you will use pg_tileserv, you MUST set a SRID</p>
<p>Without a declared SRID, pg_tileserv will not pick up the table.</p>
<img alt="../../_images/set-SRID1.png" src="../../_images/set-SRID1.png" />
<img alt="../../_images/spacer4.png" src="../../_images/spacer4.png" />
</div>
<div class="section" id="structure">
<h2><a class="toc-backref" href="#id10">Structure</a><a class="headerlink" href="#structure" title="Permalink to this headline"></a></h2>
<p>pg_tileserv is installed by default at</p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">/opt/pgtileserv</span>
</pre></div>
</div>
<p>The directory structure is show below</p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">/opt/pg_tileserv</span>
<span class="go">├── LICENSE.md</span>
<span class="go">├── README.md</span>
<span class="go">├── assets</span>
<span class="go">    ├── index.html</span>
<span class="go">    ├── preview-function.html</span>
<span class="go">   └── preview-table.html</span>
<span class="go">├── config</span>
<span class="go">   ├── pg_tileserv.toml</span>
<span class="go">   └── pg_tileserv.toml.example.save</span>
<span class="go">└── pg_tileserv</span>
</pre></div>
</div>
</div>
<div class="section" id="configuration-file">
<h2><a class="toc-backref" href="#id11">Configuration File</a><a class="headerlink" href="#configuration-file" title="Permalink to this headline"></a></h2>
<p>On installation, the pg_tileserv.toml configuration file is updated to include the postgisftw connection inforation</p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">DbConnection = &quot;postgresql://pgis:G84iwLdL9jeyA7IiwkTmWhyHwKR41Qxz@localhost/postgisftw&quot;</span>
</pre></div>
</div>
</div>
<div class="section" id="enable-ssl">
<h2><a class="toc-backref" href="#id12">Enable SSL</a><a class="headerlink" href="#enable-ssl" title="Permalink to this headline"></a></h2>
<p>To enable SSL on pg_tileserv, follow the steps below</p>
<p><strong>1. Copy the fullchaim.pem and privkey.pem files from letsencrypt to the pg_tileserv directory</strong></p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">cp /etc/letsencrypt/live/domain.com/fullchain.pem /opt/pg_tileserv/fullchain.pem</span>
<span class="go">cp /etc/letsencrypt/live/domain.com/privkey.pem /opt/pg_tileserv/privkey.pem</span>
</pre></div>
</div>
<p><strong>2. Change to the /opt/pg_tileserv directory and chown the owner of the chain and key files to user pgis</strong></p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">cd /opt/pg_tileserv</span>
<span class="go">chown pgis:pgis fullchain.pem</span>
<span class="go">chown pgis:pgis privkey.pem</span>
</pre></div>
</div>
<p><strong>3. Find the following lines in /opt/pg_tileserv/config/pg_tileserv.toml</strong></p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp"># </span>Accept<span class="w"> </span>connections<span class="w"> </span>on<span class="w"> </span>this<span class="w"> </span>port
<span class="go">HttpPort = 7800</span>
<span class="gp"># </span><span class="nv">HttpsPort</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="m">7801</span>
</pre></div>
</div>
<p><strong>4. Update the lines to below</strong></p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp"># </span>Accept<span class="w"> </span>connections<span class="w"> </span>on<span class="w"> </span>this<span class="w"> </span>port
<span class="gp"># </span><span class="nv">HttpPort</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="m">7800</span>
<span class="go">HttpsPort = 7801</span>
</pre></div>
</div>
<p><strong>5. Find the following lines in /opt/pg_tileserv/config/pg_tileserv.toml</strong></p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp"># </span><span class="nv">TlsServerCertificateFile</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s2">&quot;server.crt&quot;</span>
<span class="gp"># </span><span class="nv">TlsServerPrivateKeyFile</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s2">&quot;server.key&quot;</span>
</pre></div>
</div>
<p><strong>6. Update the lines to below</strong></p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">TlsServerCertificateFile = &quot;fullchain.pem&quot;</span>
<span class="go">TlsServerPrivateKeyFile = &quot;privkey.pem&quot;</span>
</pre></div>
</div>
<p><strong>7. Restart pg_tileserv to pick up changes</strong></p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">service pg_tileserv restart</span>
</pre></div>
</div>
<p>or use the Restart button in the control panel</p>
<p>You should now be able to access pg_tileserv via:</p>
<blockquote>
<div><a class="reference external" href="https://yourdomain.com:7801/">https://yourdomain.com:7801</a></div></blockquote>
</div>
<div class="section" id="the-postgisftw-database">
<h2><a class="toc-backref" href="#id13">The postgisftw Database</a><a class="headerlink" href="#the-postgisftw-database" title="Permalink to this headline"></a></h2>
<p>As part of the GeoSuite installation, a database, user, and password are created.</p>
<p>This database, postgisftw, is actually the demo database created for pg_tileserv, but we use it throughout the tutorials.</p>
<p>To connect to the database via SSH:</p>
<ol class="arabic simple">
<li>su to user postgres:</li>
</ol>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">su - postgres</span>
</pre></div>
</div>
<p><a class="reference external" href="mailto:postgres&#37;&#52;&#48;lizmap-demo">postgres<span>&#64;</span>lizmap-demo</a>:~$</p>
<ol class="arabic simple" start="2">
<li>Start pgsql</li>
</ol>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">postgres@demo:~$ </span>psql
<span class="go">psql (15.3 (Ubuntu 15.3-1.pgdg22.04+1))</span>
<span class="go">Type &quot;help&quot; for help.</span>
</pre></div>
</div>
<ol class="arabic simple" start="3">
<li>List database using \l This will provide a list of database, as well as owners:</li>
</ol>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="nv">postgres</span><span class="o">=</span><span class="c1"># \l</span>
<span class="w"> </span>List<span class="w"> </span>of<span class="w"> </span>databases
Name<span class="w"> </span><span class="p">|</span><span class="w"> </span>Owner<span class="w"> </span><span class="p">|</span><span class="w"> </span>Encoding<span class="w"> </span><span class="p">|</span><span class="w"> </span>Collate<span class="w"> </span><span class="p">|</span><span class="w"> </span>Ctype<span class="w"> </span><span class="p">|</span><span class="w"> </span>ICU<span class="w"> </span>Locale<span class="w"> </span><span class="p">|</span><span class="w"> </span>Locale<span class="w"> </span>Provider<span class="w"> </span><span class="p">|</span><span class="w"> </span>Access<span class="w"> </span>privileges
------------+----------+----------+---------+---------+------------+-----------------+-----------------------
geostore<span class="w"> </span><span class="p">|</span><span class="w"> </span>postgres<span class="w"> </span><span class="p">|</span><span class="w"> </span>UTF8<span class="w"> </span><span class="p">|</span><span class="w"> </span>C.UTF-8<span class="w"> </span><span class="p">|</span><span class="w"> </span>C.UTF-8<span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="p">|</span><span class="w"> </span>libc<span class="w"> </span><span class="p">|</span>
postgisftw<span class="w"> </span><span class="p">|</span><span class="w"> </span>pgis<span class="w"> </span><span class="p">|</span><span class="w"> </span>UTF8<span class="w"> </span><span class="p">|</span><span class="w"> </span>C.UTF-8<span class="w"> </span><span class="p">|</span><span class="w"> </span>C.UTF-8<span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="p">|</span><span class="w"> </span>libc<span class="w"> </span><span class="p">|</span>
postgres<span class="w"> </span><span class="p">|</span><span class="w"> </span>postgres<span class="w"> </span><span class="p">|</span><span class="w"> </span>UTF8<span class="w"> </span><span class="p">|</span><span class="w"> </span>C.UTF-8<span class="w"> </span><span class="p">|</span><span class="w"> </span>C.UTF-8<span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="p">|</span><span class="w"> </span>libc<span class="w"> </span><span class="p">|</span>
template0<span class="w"> </span><span class="p">|</span><span class="w"> </span>postgres<span class="w"> </span><span class="p">|</span><span class="w"> </span>UTF8<span class="w"> </span><span class="p">|</span><span class="w"> </span>C.UTF-8<span class="w"> </span><span class="p">|</span><span class="w"> </span>C.UTF-8<span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="p">|</span><span class="w"> </span>libc<span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="o">=</span>c/postgres<span class="w"> </span>+
<span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="nv">postgres</span><span class="o">=</span>CTc/postgres
template1<span class="w"> </span><span class="p">|</span><span class="w"> </span>postgres<span class="w"> </span><span class="p">|</span><span class="w"> </span>UTF8<span class="w"> </span><span class="p">|</span><span class="w"> </span>C.UTF-8<span class="w"> </span><span class="p">|</span><span class="w"> </span>C.UTF-8<span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="p">|</span><span class="w"> </span>libc<span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="o">=</span>c/postgres<span class="w"> </span>+
<span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="p">|</span><span class="w"> </span><span class="nv">postgres</span><span class="o">=</span>CTc/postgres
<span class="o">(</span><span class="m">5</span><span class="w"> </span>rows<span class="o">)</span>
<span class="o">(</span>END<span class="o">)</span>
</pre></div>
</div>
<ol class="arabic simple" start="4">
<li>Connect to the postgisftw datbase using the \c command</li>
</ol>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">postgres=# \c postgisftw</span>
</pre></div>
</div>
<p>You are now connected to database “postgisftw” as user “postgres”.</p>
<ol class="arabic simple" start="5">
<li>List the tables in the database using the \dt command</li>
</ol>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="nv">postgisftw</span><span class="o">=</span><span class="c1"># \dt</span>
<span class="w"> </span>List<span class="w"> </span>of<span class="w"> </span>relations
Schema<span class="w"> </span><span class="p">|</span><span class="w"> </span>Name<span class="w"> </span><span class="p">|</span><span class="w"> </span>Type<span class="w"> </span><span class="p">|</span><span class="w"> </span>Owner
--------+-------------------+-------+----------
public<span class="w"> </span><span class="p">|</span><span class="w"> </span>configuration<span class="w"> </span><span class="p">|</span><span class="w"> </span>table<span class="w"> </span><span class="p">|</span><span class="w"> </span>pgis
public<span class="w"> </span><span class="p">|</span><span class="w"> </span>countries<span class="w"> </span><span class="p">|</span><span class="w"> </span>table<span class="w"> </span><span class="p">|</span><span class="w"> </span>pgis
public<span class="w"> </span><span class="p">|</span><span class="w"> </span>pointsofinterest<span class="w"> </span><span class="p">|</span><span class="w"> </span>table<span class="w"> </span><span class="p">|</span><span class="w"> </span>pgis
public<span class="w"> </span><span class="p">|</span><span class="w"> </span>spatial_ref_sys<span class="w"> </span><span class="p">|</span><span class="w"> </span>table<span class="w"> </span><span class="p">|</span><span class="w"> </span>postgres
public<span class="w"> </span><span class="p">|</span><span class="w"> </span>ways<span class="w"> </span><span class="p">|</span><span class="w"> </span>table<span class="w"> </span><span class="p">|</span><span class="w"> </span>pgis
public<span class="w"> </span><span class="p">|</span><span class="w"> </span>ways_vertices_pgr<span class="w"> </span><span class="p">|</span><span class="w"> </span>table<span class="w"> </span><span class="p">|</span><span class="w"> </span>pgis
<span class="o">(</span><span class="m">8</span><span class="w"> </span>rows<span class="o">)</span>
<span class="nv">postgisftw</span><span class="o">=</span><span class="c1">#</span>
</pre></div>
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