# Dependencies
+:warning: **Warning**: dependencies guide is maintained by the community. Some parts may be outdated! :warning:
+
Follow the below guides, and check their versions match [required external dependencies versions](https://github.com/Chocobozzz/PeerTube/blob/master/engines.yaml). You can check them automatically via `sudo npx engineslist`.
_note_: only **LTS** versions of external dependencies are supported. If no LTS version matching the version constraint is available, only **release** versions are supported.
rc-service postgresql-11 start
```
+6. Create Python version symlink for youtube-dl:
+
+```
+sudo ln -s /usr/bin/python3 /usr/bin/python
+```
+
## OpenBSD
1. Install Packages: