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<a href="../index.html">Previous Page</a></br></br><p><img src="../../assets/img/user.png" width="50px" height="50px"> <ba>Optimist - 27 / 03 / 2025</ba></p>
<h1>Nextcloud .onion Setup (Anonymous File Hosting)</h1>
<img src="logo.png" class="imgRz">
<p> In this tutorial we're going to cover how you can install an .onion only Nextcloud instance, Nextcloud is a FOSS alternative to replace popular file hosting websites like google cloud or onedrive, which can be ideal to make sure that your files are backed up somewhere, all while preserving anonymity. I recommend self-hosting this service at home, that way you make sure that your personal data stays at your home, rather than making it readable by an adversary on a remote server.</p>
<p>Nextcloud is an indispensable tool for productivity, as you're going to see:</p>
<img src="graph.png" class="imgRz">
<p>What we are trying to achieve here, is <b>a setup where we can have a single folder synchronized on multiple devices,</b> so that any change done from any of those devices, to that same folder, gets to be automatically shared and synchronized accross all of the other devices aswell. And of course, we're going to achieve that while maintaining our anonymity, by routing all traffic through Tor. </p>
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<h2><b>Serverside Setup </b></h2>
<p>So to install nextcloud we're going to use docker-compose as follows:</p>
<pre><code class="nim">
[ Wonderland ] [ /dev/pts/9 ] [/srv/nextcloud]
→ apt install docker.io docker-compose -y
[ Wonderland ] [ /dev/pts/9 ] [/srv/nextcloud]
→ vim docker-compose.yml
[ Wonderland ] [ /dev/pts/9 ] [/srv/nextcloud]
→ cat docker-compose.yml
services:
db:
image: mariadb:latest
restart: always
command: --transaction-isolation=READ-COMMITTED
volumes:
- db:/var/lib/mysql
environment:
- MYSQL_ROOT_PASSWORD=P@SSW0RD
- MYSQL_PASSWORD=P@SSW0RD
- MYSQL_DATABASE=nextcloud
- MYSQL_USER=nextcloud
redis:
image: redis:alpine
restart: always
app:
image: nextcloud:latest
restart: always
ports:
- 127.0.0.1:9639:80
depends_on:
- redis
- db
volumes:
- nextcloud:/var/www/html
environment:
- MYSQL_PASSWORD=P@SSW0RD
- MYSQL_DATABASE=nextcloud
- MYSQL_USER=nextcloud
- MYSQL_HOST=db
- NEXTCLOUD_TRUSTED_DOMAINS=nxtcloud.nowherejezfoltodf4jiyl6r56jnzintap5vyjlia7fkirfsnfizflqd.onion
- OVERWRITEHOSTPROTOCOL=http
- OVERWRITEHOST=nxtcloud.nowherejezfoltodf4jiyl6r56jnzintap5vyjlia7fkirfsnfizflqd.onion
volumes:
nextcloud:
db:
</pre></code>
<p>Don't forget to replace the "P@SSW0RD" with a password of your own, and that docker-compose.yaml will expose the nextcloud service on local port 9639, so let's run docker-compose up -d to run the service:</p>
<p></p>
<pre><code class="nim">
[ Wonderland ] [ /dev/pts/9 ] [/srv/nextcloud]
→ docker-compose up -d
Starting nextcloud_redis_1 ... done
Starting nextcloud_db_1 ... done
Starting nextcloud_app_1 ... done
</pre></code>
<p>Then we also setup the torrc config to make sure that our nextcloud instance also goes through tor for every external connections it has to make:</p>
<pre><code class="nim">
[ Wonderland ] [ /dev/pts/10 ] [/srv/nextcloud]
→ cd tor-data
[ Wonderland ] [ /dev/pts/10 ] [/srv/nextcloud/tor-data]
→ ls
torrc
[ Wonderland ] [ /dev/pts/10 ] [/srv/nextcloud/tor-data]
→ vim torrc/torrc
[ Wonderland ] [ /dev/pts/10 ] [/srv/nextcloud/tor-data]
→ cat torrc/torrc
SOCKSPort 0.0.0.0:9050
</pre></code>
<p>Then we setup the nginx config to be able to access the nextcloud service accordingly:</p>
<pre><code class="nim">
[ Wonderland ] [ /dev/pts/9 ] [/srv/nextcloud]
→ vim /etc/nginx/sites-available/nxtcloud.conf
[ Wonderland ] [ /dev/pts/10 ] [/srv/nextcloud/tor-data]
→ cat /etc/nginx/sites-available/nxtcloud.conf
upstream nxtcloudbackend {
server 127.0.0.1:9639;
}
server {
######## TOR WEBSITE ########
listen 4443;
listen [::]:4443;
server_name nxtcloud.nowherejezfoltodf4jiyl6r56jnzintap5vyjlia7fkirfsnfizflqd.onion;
location / {
proxy_pass http://nxtcloudbackend;
proxy_headers_hash_max_size 512;
proxy_headers_hash_bucket_size 64;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
#proxy_http_version 1.1;
#proxy_set_header Upgrade $http_upgrade;
#proxy_set_header Connection "Upgrade";
client_max_body_size 20G;
}
}
[ Wonderland ] [ /dev/pts/9 ] [/srv/nextcloud]
→ ln -s /etc/nginx/sites-available/nxtcloud.conf /etc/nginx/sites-enabled
[ Wonderland ] [ /dev/pts/9 ] [/srv/nextcloud]
→ nginx -t
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
[ Wonderland ] [ /dev/pts/9 ] [/srv/nextcloud]
→ nginx -s reload
2025/03/26 09:46:30 [notice] 2097639#2097639: signal process started
</pre></code>
<p>Make sure that you follow <a href="../torwebsite/index.html">this tutorial</a> to know how to have your own custom onion domain name:</p>
<pre><code class="nim">
[ Wonderland ] [ /dev/pts/3 ] [~]
→ cat /etc/tor/torrc
HiddenServiceDir /var/lib/tor/onions/nowherejezfoltodf4jiyl6r56jnzintap5vyjlia7fkirfsnfizflqd.onion/
HiddenServicePort 80 127.0.0.1:4443
SocksPort 127.0.0.1:9050
[ Wonderland ] [ /dev/pts/3 ] [~]
→ systemctl restart tor@default
</pre></code>
<p> then you can proceed with accessing your nextcloud instance:</p>
<img src="48.png" class="imgRz">
<img src="49.png" class="imgRz">
<img src="51.png" class="imgRz">
<img src="52.png" class="imgRz">
<img src="53.png" class="imgRz">
<img src="54.png" class="imgRz">
<p>Then here we can edit the nextcloud appearance aswell:</p>
<img src="55.png" class="imgRz">
<img src="56.png" class="imgRz">
<p>So when you want to login, it'll look like that:</p>
<img src="57.png" class="imgRz">
<p>Once logged in, you can drag and drop files from your computer directly into the nextcloud web interface:</p>
<img src="58.png" class="imgRz">
<p>And that's it! You now have a nextcloud instance working via .onion to easily save your files remotely.</p>
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<h2><b>Keeping Nextcloud Updated</b></h2>
<p>In order to upgrade your nextcloud, you can run the following docker-compose commands, and also add it to cron to run automatically every day at midnight: </p>
<pre><code class="nim">
[ Wonderland ] [ /dev/pts/9 ] [/srv/nextcloud]
→ docker-compose -f /srv/nextcloud/docker-compose.yml pull ; docker-compose -f /srv/nextcloud/docker-compose.yml restart
Pulling db ... done
Pulling redis ... done
Pulling app ... done
Pulling tor-nxtcld ... done
Restarting tor-nxtcld ... done
Restarting nextcloud_app_1 ... done
Restarting nextcloud_redis_1 ... done
Restarting nextcloud_db_1 ... done
[ Wonderland ] [ /dev/pts/9 ] [/srv/nextcloud]
→ crontab -e
#nextcloud
@daily docker-compose -f /srv/nextcloud/docker-compose.yml pull ; docker-compose -f /srv/nextcloud/docker-compose.yml restart
:wq
</pre></code>
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<h2><b>Clientside Setup</b></h2> </br> </br>
<p>Now to avoid having to always open the web browser to send and download files from your nextcloud instance, you can use the nextcloud desktop application, which will synchronize the nextcloud folders you want locally, as you'll see this is VERY convenient:</p>
<pre><code class="nim">
[ cloud ] [ /dev/pts/1 ] [/snap/bin]
→ apt install tor nextcloud-desktop -y
</pre></code>
<img src="25.png" class="imgRz">
<p>Here as you try to login you'll first see that it can't resolve the .onion domain, which is normal as you need to tell nextcloud to use the local tor socks5 proxy, available on 127.0.01:9050</p>
<img src="59.png" class="imgRz">
<p>Afterward, you need to copy the authorization link into the tor browser to validate the request:</p>
<img src="60.png" class="imgRz">
<img src="61.png" class="imgRz">
<p>Once you have granted access, you can start to sync your nextcloud instance files locally:</p>
<img src="62.png" class="imgRz">
<p>Once logged in you can check the progress in the system tray:</p>
<img src="63.png" class="imgRz">
<p>Then let it sync, it can take a while due to the low bandwidth of Tor.</p>
<img src="32.png" class="imgRz">
<p>And that's it ! You now have a local folder that is synchronized with your nextcloud instance, that you can browse locally to find the files we uploaded earlier:</p>
<pre><code class="nim">
[ Mainpc-PrivateVM-Debian12 ] [ /dev/pts/32 ] [~]
→ ls -lash ~/NXTCLOUDTEST
total 7.3M
4.0K drwxr-xr-x 5 nihilist nihilist 4.0K Mar 26 11:05 .
4.0K drwx------ 51 nihilist nihilist 4.0K Mar 26 11:08 ..
1.7M -rw-r--r-- 1 nihilist nihilist 1.7M Feb 11 2024 1636794560654-0.jpg
324K -rw-r--r-- 1 nihilist nihilist 324K Feb 11 2024 1637121021316-0.jpg
772K -rw-r--r-- 1 nihilist nihilist 772K Feb 11 2024 1637722778473-0.jpg
476K -rw-r--r-- 1 nihilist nihilist 473K Feb 11 2024 1637722778473-1.jpg
112K -rw-r--r-- 1 nihilist nihilist 111K Jul 13 2024 alice.jpg
444K -rw-r--r-- 1 nihilist nihilist 444K Feb 6 18:22 appart.png
836K -rw-r--r-- 1 nihilist nihilist 833K Aug 9 2024 bitcoinispartofthesystemneo.png
100K -rw-r--r-- 1 nihilist nihilist 99K Dec 15 10:19 bunker.jpg
88K -rw-r--r-- 1 nihilist nihilist 87K Jul 13 2024 catclock.gif
0 -rw-r--r-- 1 nihilist nihilist 0 Mar 26 11:04 .nextcloudsync.log
4.0K drwxr-xr-x 3 nihilist nihilist 4.0K Mar 26 10:51 nowhere-logos
4.0K drwxr-xr-x 2 nihilist nihilist 4.0K Mar 26 10:52 PAPES
4.0K -rw-r--r-- 1 nihilist nihilist 4.0K Mar 26 11:04 .sync_9855fab54d67.db
2.5M -rw-r--r-- 1 nihilist nihilist 2.5M Mar 26 11:05 .sync_9855fab54d67.db-wal
4.0K drwxr-xr-x 2 nihilist nihilist 4.0K Mar 26 10:52 xmrbazaar
</pre></code>
<img src="64.png" class="imgRz">
<p>Productivity-wise this is a perfect tool to keep updating files on the same place, from multiple devices. To showcase a basic change, we're going to copy another folder in there:</p>
<img src="65.png" class="imgRz">
<p>And here as you can see the changes are automatically getting picked up by the nextcloud desktop client, and synchronized to the nextcloud server automatically aswell.</p>
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<h4>Nihilism</h4>
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<h4>About nihilist</h4>
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