Excessive delay at ssh connection to remote host

[Jochen Bern]

Am 29.09.26 um 23:57 schrieb James Moe:
> The connection to the remote was always oddly delayed about 5 seconds before the
> password prompt appeared. Not really an issue although no other host has offered
> such a delay.
> 
> Now the prompt has extended to roughly 2 minutes, way beyond my attention span.

My knee-jerk reaction to delayed SSH logins is to check whether the 
server side has an issue with DNS resolution (in particular, the reverse 
and forward mappings for the client; if you're not comfortable manually 
checking resolution, temporarily enter the client into /etc/hosts and 
see whether that removes the delay). But that *typically* implies a 
delay of about 30 seconds ...

On *one* system here, I occasionally observe a (known, but unfixed) 
problem in that one part of systemd gets auto-restarted but a 
functionally dependent other one isn't, resulting in delayed logins *in 
general*; I just throw a

# systemctl restart systemd-hostnamed.service ; sleep 2 ; systemctl 
restart systemd-logind.service

at it, lean back, and watch the monitoring turn green again ...

Kind regards,
-- 
Jochen Bern
Systemingenieur
Binect GmbH
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