oppi.li
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<item>
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<title>Mounting The Atmosphere</title>
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<description><p><a href="https://tangled.sh/@oppi.li/pdsfs">pdsfs</a> is a tool that
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mounts atproto PDS repositories as a FUSE filesystem.</p>
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<p>A PDS repository<a href="#fn1" class="footnote-ref" id="fnref1"
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role="doc-noteref"><sup>1</sup></a> contains all data published by a
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user to the atmosphere<a href="#fn2" class="footnote-ref" id="fnref2"
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role="doc-noteref"><sup>2</sup></a>. It is exportable as a CAR
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(content-addressable archive) file. pdsfs is a tool that mounts this CAR
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file as a readonly-FUSE filesystem, allowing quick and easy
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exploration.</p>
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mounts <a href="https://atproto.com">atproto</a> PDS repositories as a
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<a href="https://en.wikipedia.org/wiki/Filesystem_in_Userspace">FUSE</a>
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filesystem.</p>
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<p>A <a href="https://en.wikipedia.org/wiki/Filesystem_in_Userspace">PDS
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repository</a> contains all data published by a user to the atmosphere.
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It is exportable as a CAR (content-addressable archive) file. pdsfs is a
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tool that mounts this CAR file as a readonly-FUSE filesystem, allowing
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+
quick and easy exploration.</p>
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<p>To motivate the need for such a program, we could begin by mounting a
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repository:</p>
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<pre><code>λ pdsfs oppi.li
···
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is not important. Let’s have a look around:</p>
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<pre><code>λ ls mnt/
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did:plc:qfpnj4og54vl56wngdriaxug/</code></pre>
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<p>The <code>did:plc:stuff</code> is my DID<a href="#fn3"
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class="footnote-ref" id="fnref3" role="doc-noteref"><sup>3</sup></a>.
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<p>The <code>did:plc:stuff</code> is my <a
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+
href="https://en.wikipedia.org/wiki/Filesystem_in_Userspace">DID</a>.
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Digging deeper:</p>
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<pre><code>λ ls mnt/did\:plc\:qfpnj4og54vl56wngdriaxug/
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app.bsky.actor.profile/ place.stream.chat.message/
···
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<code>read</code> are rerouted to your custom fs implementation (pdsfs
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in this case). The custom fs implementation is free to as it pleases, in
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fact the first iteration of pdsfs accessed the network for each
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open/read call to fetch live data from PDii.</p>
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<section id="footnotes" class="footnotes footnotes-end-of-document"
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role="doc-endnotes">
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<hr />
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<ol>
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<li id="fn1"><p>https://atproto.com/guides/data-repos<a href="#fnref1"
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class="footnote-back" role="doc-backlink">↩︎</a></p></li>
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<li id="fn2"><p>https://atproto.com<a href="#fnref2"
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class="footnote-back" role="doc-backlink">↩︎</a></p></li>
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<li id="fn3"><p>https://en.wikipedia.org/wiki/Decentralized_identifier<a
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href="#fnref3" class="footnote-back" role="doc-backlink">↩︎</a></p></li>
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</ol>
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</section></description>
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open/read call to fetch live data from PDii.</p></description>
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<link>https://oppi.li/posts/mounting_the_atmosphere/</link>
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<pubDate>Wed, 30 Jul 2025 20:25:00 +0000</pubDate>
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<pubDate>Thu, 31 Jul 2025 07:56:00 +0000</pubDate>
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<guid>https://oppi.li/posts/mounting_the_atmosphere/</guid>
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</item>
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<item>
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docs/posts/index.html
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docs/posts/mounting_the_atmosphere/index.html
···
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">View Raw</a>
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<div class="separator"></div>
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<div class="date">
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30/07 — 2025
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31/07 — 2025
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<div class="stats">
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<span class="stats-number">
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60.34
···
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</h1>
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<div class="post-text">
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<p><a href="https://tangled.sh/@oppi.li/pdsfs">pdsfs</a> is a tool that
46
-
mounts atproto PDS repositories as a FUSE filesystem.</p>
47
-
<p>A PDS repository<a href="#fn1" class="footnote-ref" id="fnref1"
48
-
role="doc-noteref"><sup>1</sup></a> contains all data published by a
49
-
user to the atmosphere<a href="#fn2" class="footnote-ref" id="fnref2"
50
-
role="doc-noteref"><sup>2</sup></a>. It is exportable as a CAR
51
-
(content-addressable archive) file. pdsfs is a tool that mounts this CAR
52
-
file as a readonly-FUSE filesystem, allowing quick and easy
53
-
exploration.</p>
46
+
mounts <a href="https://atproto.com">atproto</a> PDS repositories as a
47
+
<a href="https://en.wikipedia.org/wiki/Filesystem_in_Userspace">FUSE</a>
48
+
filesystem.</p>
49
+
<p>A <a href="https://en.wikipedia.org/wiki/Filesystem_in_Userspace">PDS
50
+
repository</a> contains all data published by a user to the atmosphere.
51
+
It is exportable as a CAR (content-addressable archive) file. pdsfs is a
52
+
tool that mounts this CAR file as a readonly-FUSE filesystem, allowing
53
+
quick and easy exploration.</p>
54
54
<p>To motivate the need for such a program, we could begin by mounting a
55
55
repository:</p>
56
56
<pre><code>λ pdsfs oppi.li
···
61
61
is not important. Let’s have a look around:</p>
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<pre><code>λ ls mnt/
63
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did:plc:qfpnj4og54vl56wngdriaxug/</code></pre>
64
-
<p>The <code>did:plc:stuff</code> is my DID<a href="#fn3"
65
-
class="footnote-ref" id="fnref3" role="doc-noteref"><sup>3</sup></a>.
64
+
<p>The <code>did:plc:stuff</code> is my <a
65
+
href="https://en.wikipedia.org/wiki/Filesystem_in_Userspace">DID</a>.
66
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Digging deeper:</p>
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<pre><code>λ ls mnt/did\:plc\:qfpnj4og54vl56wngdriaxug/
68
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app.bsky.actor.profile/ place.stream.chat.message/
···
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in this case). The custom fs implementation is free to as it pleases, in
171
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fact the first iteration of pdsfs accessed the network for each
172
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open/read call to fetch live data from PDii.</p>
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-
<section id="footnotes" class="footnotes footnotes-end-of-document"
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-
role="doc-endnotes">
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-
<hr />
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-
<ol>
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<li id="fn1"><p>https://atproto.com/guides/data-repos<a href="#fnref1"
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class="footnote-back" role="doc-backlink">↩︎</a></p></li>
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<li id="fn2"><p>https://atproto.com<a href="#fnref2"
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-
class="footnote-back" role="doc-backlink">↩︎</a></p></li>
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<li id="fn3"><p>https://en.wikipedia.org/wiki/Decentralized_identifier<a
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href="#fnref3" class="footnote-back" role="doc-backlink">↩︎</a></p></li>
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</ol>
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</section>
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</div>
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posts/mounting_the_atmosphere.md
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posts/mounting_the_atmosphere.md
···
1
1
[pdsfs](https://tangled.sh/@oppi.li/pdsfs) is a tool that
2
-
mounts atproto PDS repositories as a FUSE filesystem.
2
+
mounts [atproto](https://atproto.com) PDS repositories as a
3
+
[FUSE](https://en.wikipedia.org/wiki/Filesystem_in_Userspace)
4
+
filesystem.
3
5
4
-
A PDS repository[^0] contains all data published by a user to
5
-
the atmosphere[^1]. It is exportable as a CAR
6
-
(content-addressable archive) file. pdsfs is a tool that
7
-
mounts this CAR file as a readonly-FUSE filesystem, allowing
8
-
quick and easy exploration.
6
+
A [PDS
7
+
repository](https://en.wikipedia.org/wiki/Filesystem_in_Userspace)
8
+
contains all data published by a user to the atmosphere. It
9
+
is exportable as a CAR (content-addressable archive) file.
10
+
pdsfs is a tool that mounts this CAR file as a readonly-FUSE
11
+
filesystem, allowing quick and easy exploration.
9
12
10
13
To motivate the need for such a program, we could begin by
11
14
mounting a repository:
···
22
25
λ ls mnt/
23
26
did:plc:qfpnj4og54vl56wngdriaxug/
24
27
25
-
The `did:plc:stuff` is my DID[^2]. Digging deeper:
28
+
The `did:plc:stuff` is my
29
+
[DID](https://en.wikipedia.org/wiki/Filesystem_in_Userspace).
30
+
Digging deeper:
26
31
27
32
λ ls mnt/did\:plc\:qfpnj4og54vl56wngdriaxug/
28
33
app.bsky.actor.profile/ place.stream.chat.message/
···
144
149
pleases, in fact the first iteration of pdsfs accessed the
145
150
network for each open/read call to fetch live data from
146
151
PDii.
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-
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-
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[^0]: https://atproto.com/guides/data-repos
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[^1]: https://atproto.com
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[^2]: https://en.wikipedia.org/wiki/Decentralized_identifier