Changes from DSM 5.2:
- Synology Python package is now Python 3.5 (was 3.4)
- it appears the install location for the Python binaries has changed
- does not assume `pip` is installed with the Python package (it wasn't on my machine)
- `-r` wasn't an option for `chown` or `chmod`, but `-R` is (applies the commands recursively. I'm not sure whether this was originally a typo, or I have a different version of these commands
- `chmod` flags set to `660` for the `/volume1/homeassistant` directory made it so that the admin users can't enter it. `664` seems to work well.
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