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I am running NUT UPS Tools server on Ubuntu 20.04.3 LTS system. I have to resart the NUT driver every 15 minutes, and each time it restarts the upsmon application broadcasts a message to the console:

Broadcast message from root@ContaCam01-Ubuntu (somewhere) (Mon Dec 20 22:30:10
Communications with UPS cyberpower-j@localhost established

This is what is in the log:

Dec 20 22:30:10 ContaCam01-Ubuntu upsmon[927]: Communications with UPS cyberpower-j@localhost established

I have looked into this, and found that sudo dmesg -n 1 is supposed to stop these messages. But it doesn't.

Is there a way, using syslog.conf or rsyslog.conf to prevent this particular message from upsmon from being broadcast to the console?

SomebodySysop
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  • In you upsmon.conf you can set `NOTIFYFLAG` for upsmon `NOTIFY` events, remove `WALL` for events you don't wish to broadcast. –  Dec 22 '21 at 09:54
  • Removing the WALL in NOTIFYFLAG for upsmon does not stop these broadcasts. – SomebodySysop Dec 23 '21 at 07:06
  • upsmon broadcasts to the terminal (console) these messages to all users each time I restart driver: /sbin/upsdrvctl start. Removing WALL from NOTIFYFLAG events does not stop these broadcasts. Nor does executing sudo dmesg -n 1. My question is simple: what other ways are there to stop upsmon from broadcasting these messages to all users when NUT driver is restarted. – SomebodySysop Dec 23 '21 at 07:10

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