Hi,

> Can you confirm nothing else is competing to bind port 2222 on that
> machine?

not sure how to confirm that with certainty (it’s hard to get an lsof
in the exact right moment), but according to the OS config only SSHd is
supposed to use port 2222, see [1].

[1] https://github.com/leibniz-psychology/psychnotebook-deploy/blob/master/src/zpid/machines/patna/os.scm

Cheers,
Lars

-- 
Lars-Dominik Braun
Wissenschaftlicher Mitarbeiter/Research Associate

www.leibniz-psychology.org
ZPID - Leibniz-Institut für Psychologie /
ZPID - Leibniz Institute for Psychology
Universitätsring 15
D-54296 Trier - Germany
Tel.: +49–651–201-4964