begin gemini tweaks

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Luke Smith 2021-07-01 08:36:13 -04:00
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<img src="pix/dns-ping.png" alt="Pinging landchad.net">
<p>
As you can see, our ping to <code>landchad.net</code> is now being directed to <code>104.238.126.105</code>.
As you can see, our ping to <code>landchad.net</code> is now being directed to <code>104.238.128.105</code>.
That means we have successfully set up our DNS records!
You can also run the command <code>host</code> if you have it, which will list both IPv4 and IPv6 addresses for a domain name.
</p>

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<nav></nav>
<main>
<h2 id="whatis">What is Gemini?</h2>
<p><a href="https://gemini.circumlunar.space" target="_blank">Gemini</a> is a new internet protocol which is different from the web. It's neither Gopher. It's much cleaner.</p>
<p><a href="https://gemini.circumlunar.space" target="_blank">Gemini</a> is a new internet protocol which is different from the HTTP and Gopher. It's much cleaner.</p>
<h3>Why use gemini protocol?</h3>
<ul>
<li>Gemini capsules (webpages of gemini) are lightweight, minimal, and don't use many resources to operate.</li>
@ -29,49 +29,32 @@
<li>Gemini server</li>
</ol>
<p>We can create three different directories to simplify the process:</p>
<pre><code>
mkdir -p gemini/{content,certificate,server}
</code></pre>
<pre><code>mkdir -p gemini/{content,certificate,server}</code></pre>
<h3>Content</h3>
<p>Gemini uses text/gemini markup. It heavily borrows from Markdown. Similar to .html or .md, gemini uses .gmi as its extension.</p>
<p>To create one gemini file, go inside the <code>content</code> directory and create one <code>index.gmi</code> file.</p>
<pre><code>
touch gemini/content/index.gmi
</code></pre>
<pre><code>touch gemini/content/index.gmi</code></pre>
<p>Update the file content of index.gmi</p>
<pre><code>
# This is Sample Gemini page
<pre><code># This is Sample Gemini page
## With header 1 and header 2
And a short paragraph like this.
=> /index.gmi Link to the same page
</code></pre>
=> /index.gmi Link to the same page</code></pre>
<h3>TLS certificate</h3>
<p>Go to the <code>certificate</code> directory which we have created earlier. Generate the TLS certificate using OpenSSL. Change YOURDOMAIN.COM to the domain of your gemini capsule.</p>
<pre><code>
openssl req -new -subj "/CN=YOURDOMAIN.COM" -x509 -newkey ec -pkeyopt ec_paramgen_curve:prime256v1 -days 3650 -nodes -out cert.pem -keyout key.pem
</code></pre>
<pre><code>openssl req -new -subj "/CN=YOURDOMAIN.COM" -x509 -newkey ec -pkeyopt ec_paramgen_curve:prime256v1 -days 3650 -nodes -out cert.pem -keyout key.pem</code></pre>
<h3>Gemini server</h3>
<p>There are many gemini servers available. You can check the list of servers <a href="https://gemini.circumlunar.space/software" target="_blank">here</a>.</p>
<p>We will use <code>agate</code> server for now. This is a simple gemini server written in Rust. Go to <code>server</code> directory and download agate server.</p>
<pre><code>
wget https://github.com/mbrubeck/agate/releases/download/v3.1.0/agate.x86_64-unknown-linux-gnu.gz
</code></pre>
<pre><code>wget https://github.com/mbrubeck/agate/releases/download/v3.1.0/agate.x86_64-unknown-linux-gnu.gz</code></pre>
<p>Unzip the gz</p>
<pre><code>
gunzip agate.x86_64-unknown-linux-gnu.gz
</code></pre>
<pre><code>gunzip agate.x86_64-unknown-linux-gnu.gz</code></pre>
<p>Rename and make it executable</p>
<pre><code>
mv agate.x86_64-unknown-linux-gnu agate-server
chmod +x agate-server
</code></pre>
<pre><code>mv agate.x86_64-unknown-linux-gnu agate-server
chmod +x agate-server</code></pre>
<p>Now we need to create a systemd service</p>
<pre><code>
sudo touch /etc/systemd/system/agate.service
</code></pre>
<pre><code>sudo touch /etc/systemd/system/agate.service</code></pre>
<p>Copy the below file and paste in agate.service.</p>
<pre><code>
[Unit]
<pre><code>[Unit]
Description=agate
After=network.target
@ -81,33 +64,24 @@ Type=simple
ExecStart=/home/USER/gemini/agate-server --content /home/USER/gemini/content --certs /home/USER/gemini/certificate/ --hostname YOURDOMAIN.COM --lang en-US
[Install]
WantedBy=default.target
</code></pre>
WantedBy=default.target</code></pre>
<ul>
<li>Change <code>/home/USER/gemini</code> to your gemini directory path.</li>
<li>Change <code>YOURDOMAIN.COM</code> to your domain without http/https.</li>
<li>Change <code>en-US</code> to your country language. en-IN for India, en-GB for UK, etc.</li>
</ul>
<p>Now we are ready to run server. Enable and run agate server.</p>
<pre><code>
sudo systemctl enable agate</code></pre>
<pre><code>
sudo systemctl start agate</code></pre>
<pre><code>systemctl enable agate
systemctl start agate</code></pre>
<h2>Finalization</h2>
<p>Now your server should be running. If everything went okay, you can access your gemini via any gemini client with this url</p>
<pre><code>
gemini://YOURDOMAIN.COM
</code></pre>
<pre><code>gemini://<strong>example.org</strong></code></pre>
<p>Sample gemini site for reference:</p>
<pre><code>
gemini://gemini.circumlunar.space
</code></pre>
<pre><code>gemini://gemini.circumlunar.space</code></pre>
<p>Enjoy your first gemini capsule.</p>
<hr>
<p><em>Written by <a href="https://nihar.page">nihar.page</a></em></p>
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