[Nut-upsuser] NUT Client Not Working, Server OK

[Roger Price]

On Wed, 16 Feb 2022, William Cole via Nut-upsuser wrote:

> I ran telnet on both machines:
>    First from the server [235] to the client [236]
>    Then from the client [236] to the server [235]
> 
> The result in both cases:
>    Trying 192.168.1.xxx
>    telnet: Unable to connect to remote host: Connection refused.

This makes it clear that the problem is not with nut, but rather the basic 
setup of network 192.168.1/24   Google proposes plenty of help for Connection 
refused, but start with command

  netstat -lntp

For example, I see

  Active Internet connections (only servers)
  Proto Recv-Q Send-Q Local Address   Foreign Address  State   PID/Program name
  tcp        0      0 0.0.0.0:22      0.0.0.0:*        LISTEN  832/sshd
  ...
  tcp        0      0 0.0.0.0:3493    0.0.0.0:*        LISTEN  3066/upsd

Roger