1. Get the key. Either download the `repository key from here
<_static/neuro.debian.net.asc>`_
- or fetch it from http://wwwkeys.pgp.net (2649A5A9).
+ or fetch it from http://wwwkeys.pgp.net (0xA5D32F012649A5A9).
2. Now feed the key into APT by invoking::