mirror of
https://github.com/DoTheEvo/selfhosted-apps-docker
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230 lines
7.7 KiB
Markdown
230 lines
7.7 KiB
Markdown
# Rustdesk in docker
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###### guide-by-example
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# Purpose & Overview
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Remote desktop access.
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* [Official site](https://rustdesk.com/)
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* [Github](https://github.com/rustdesk/rustdesk)
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* [DockerHub for S6](https://hub.docker.com/r/rustdesk/rustdesk-server-s6)
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Rustdesk is a new fully opensource alternative for TeamViewer or Anydesk.<br>
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The major aspects are that it does NAT punching,
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and lets you host all the infrastructure for it to function.<br>
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Written in rust(gasp), with Dart and Flutter framework for client side.</br>
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The idea is:
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* Run a rustdesk server reachable online.
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* Install clients on machines you want to connect from / to.
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* The clients application keeps a regular heartbeat communication
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with the server, in a way to [punch a hole](https://youtu.be/S7Ifw5XsypQ)
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in the NAT and so allows connection initialized from the outside,
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without doing port forwarding.
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---
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# Files and directory structure
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```
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/home/
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└── ~/
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└── docker/
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└── rustdesk/
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├── 🗁 rustdesk_data/
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├── 🗋 .env
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└── 🗋 docker-compose.yml
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```
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* `rustdesk_data/` - persistent data, contains sqlite database and the keys
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* `.env` - a file containing environment variables for docker compose
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* `docker-compose.yml` - a docker compose file, telling docker how to run the containers
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You only need to provide the two files.</br>
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The directory is created by docker compose on the first run.
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# docker-compose
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Using [S6-overlay](https://github.com/rustdesk/rustdesk-server#s6-overlay-based-images)
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based image.<br>
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It's a simpler, single container approach. The
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[complexity](https://github.com/rustdesk/rustdesk-server#classic-image)
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of rustdesk's `hbbs` server and `hbbr` relay hidden.
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No network section since no http traffic that would need reverse proxy, yet.<br>
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So just mapped ports on to docker host to do their thing.
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`docker-compose.yml`
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```yml
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services:
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rustdesk:
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image: rustdesk/rustdesk-server-s6:1.1.7-1
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container_name: rustdesk
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hostname: rustdesk
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restart: unless-stopped
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env_file: .env
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ports:
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- "21116:21116"
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- "21115:21115"
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- "21116:21116/udp"
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- "21117:21117"
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- "21118:21118"
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- "21119:21119"
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volumes:
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- ./rustdesk_data:/data
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```
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`.env`
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```bash
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# GENERAL
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TZ=Europe/Bratislava
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# RUSTDESK
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RELAY=rust.example.com:21117
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ENCRYPTED_ONLY=1
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# KEY_PRIV=<put here content of ./rustdesk_data/id_ed25519>
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# KEY_PUB=<put here content of ./rustdesk_data/id_ed25519.pub>
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```
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In the `.env` file encryption is enabled, so that only clients that have
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correct public key will be allowed access to the rustdesk server.<br>
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The keys are generated on the first run of the compose and can be found in
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the `rustdesk_data` directory.
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Once generated they should be added to the `.env` file for easier migration.
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The public key needs to be distributed with the clients apps installation.
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# Port forwarding
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as can be seen in the compose
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* **21115 - 21119** TCP need to be forwarded to docker host<br>
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* **21116** is TCP **and UDP**
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21115 is used for the NAT type test,
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21116/UDP is used for the ID registration and heartbeat service,
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21116/TCP is used for TCP hole punching and connection service,
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21117 is used for the Relay services,
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and 21118 and 21119 are used to support web clients.<br>
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[source](https://rustdesk.com/docs/en/self-host/install/)
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---
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# The installation on clients
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* Download and install the client apps from [the official site](https://rustdesk.com/).
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* Three dots > ID/Relay Server
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* `ID Server`: rust.example.com
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* `Key`: *\<content of id_ed25519.pub\>*
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* The green dot at the bottom should be green saying "ready".
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**On windows** one
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[can deploy](https://rustdesk.com/docs/en/self-host/install/#put-config-in-rustdeskexe-file-name-windows-only)
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client with **pre-sets** by renaming the installation file to:
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`rustdesk-host=<host-ip-or-name>,key=<public-key-string>.exe`
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example: `rustdesk-host=rust.example.com,key=3AVva64bn1ea2vsDuOuQH3i8+2M=.exe`
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If by chance the public key contains symbols not usable in windows filenames,
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down the container, delete the files `id_ed25519` and `id_ed25519.pub`,
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up the container and try with the new keys.
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# Extra info
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* You really really **really want to be using domain and not your public IP**
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when installing clients and setting ID server. That `rust.example.com`
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can be changed to point at a different IP any time you want. Hard set IP not.
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* Can do `tcpdump -n udp port 21116` on a docker host to **see heartbeat** udp traffic.
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Seems machines report-in every \~13 seconds.
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* on **windows** a **service** named `rustdesk` is enabled.
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Disable it if the machine should be accessible only on demand,
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when someone first runs rustdesk manually.<br>
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In powershell - `Set-Service rustdesk -StartupType Disabled`
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* One can relatively easily
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**hardcode server url and pub key in to an executable** using
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[github actions.](https://rustdesk.com/docs/en/self-host/hardcode-settings/)<br>
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Tested it and it works. But seems you can only do workflow run of nightly build,
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meaning all the latest stuff added is included, which means higher chance of bugs.<br>
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Make sure you do step *"Enable upload permissions for workflows"*,
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before you run the workflow.
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* Questions about issues with selfhosting are **not answered** on github -
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[#763](https://github.com/rustdesk/rustdesk/discussions/763),
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next to try is their [discord](https://discord.com/invite/nDceKgxnkV) or
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[subreddit](https://www.reddit.com/r/rustdesk/).
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* [FAQ](https://github.com/rustdesk/rustdesk/wiki/FAQ)
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* How does [rustdesk work?](https://github.com/rustdesk/rustdesk/wiki/How-does-RustDesk-work%3F)
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# Trouble shooting
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---
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#### If just one machine is having issues.
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uninstall, plus delete:
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* `C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\RustDesk`
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* `%AppData%\RustDesk`
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Restart. Reinstall.<br>
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Do not use the installer you used before, **download** from the site latest.
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---
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#### Error - Failed to connect to relay server
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* I had wrong url set as `RELAY` in the `.env`
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* if url is correct I would test if port 21117 tcp forwards
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---
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#### Investigate port forwarding
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Install netcat and tcpdump on the docker host.
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* docker compose down rustdesk container so that ports are free to use
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* start a small netcat server listening on whichever port we test<br>
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`sudo nc -u -vv -l -p 21116`<br>
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the `-u` means udp traffic, delete to do tcp
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* on a machine somewhere else in the world, not on the same network, try
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`nc -u <public-ip> 21116`
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If you write something and press enter, it should appear on the other machine, confirming
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that port forwarding works.<br>
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Also useful command can be `tcpdump -n udp port 21116`<br>
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When port forwarding works, one should see heartbeat chatter,
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as machines with installed rustdesk are announcing themselves every \~13 seconds.
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---
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# Manual image update:
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- `docker-compose pull`</br>
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- `docker-compose up -d`</br>
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- `docker image prune`
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# Backup and restore
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#### Backup
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Using [borg](https://github.com/DoTheEvo/selfhosted-apps-docker/tree/master/borg_backup)
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that makes daily snapshot of the entire directory.
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#### Restore
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* down the bookstack containers `docker-compose down`</br>
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* delete the entire bookstack directory</br>
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* from the backup copy back the bookstack directory</br>
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* start the containers `docker-compose up -d`
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