It seems that worker does not know “jylab”, but it can work with “192.168.202.13”. Are there some places we can replace the name?
$ uname -a
Linux jylab 6.8.0-45-generic #45~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Wed Sep 11 15:25:05 UTC 2 x86_64 x86_64 x86_64 GNU/Linux
$ curl jylab:39002
Hello World from cryosparc command core.
$ ssh cryosparc@192.168.202.14 "curl jylab:39002 && uname -a"
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0curl: (6) Could not resolve host: jylab
$ ssh cryosparc@192.168.202.14 "curl 192.168.202.13:39002 && uname -a"
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0Hello World from cryosparc command core.
100 41 100 41 0 0 23203 0 --:--:-- --:--:-- --:--:-- 41000
Linux user-R5350-G6 6.2.0-26-generic #26~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Jul 13 16:27:29 UTC 2 x86_64 x86_64 x86_64 GNU/Linux