installing ups monitor

[J. Paul Bissonnette]

On Sun, 10 Jan 2021 14:09:36 -0800
Bob <ubuntu-qygzanxc at listemail.net> wrote:

> ** Reply to message from "Bob" <ubuntu-qygzanxc at listemail.net> on
> Thu, 7 Jan 2021 22:58:33 -0800
> 
> > All the talk about needing a ups device I decided to check if my
> > desktop system was using the apc ups I have.  The ups is working
> > but there is no software to shutdown the computer when the battery
> > gets low.  It appears that somewhere along the line the upsmon
> > software got deleted.  So I installed the nut-client.
> > 
> > I am trying to set up the ups monitor.  It seems that the
> > nut-client program can not find the apc1250.  Is there a program to
> > test the serial ports?  I do not see anything about the serial
> > ports in the settings.  
> 
> I have NUT running.  Now I need to do the final test, which is to
> remove power to the UPS and see if it shuts down properly.
> 
> The documentation I have says to "chmod 0660 /dev/ttyUSB0", this
> appears to be what the system sets as default.  Also to "chown
> root:nut /dev/ttyUSB0", the system default is root:dialout.  This
> works but does not surive a boot so I added nut to the dialout group.
> 

search Synaptic Package manager for Name = APC. You will find
APC UPS Power Management (daemon)
APC UPS Power Management (web interface)
APC UPS Power Management (documentation/examples)

I have been using this for about 15 years, so far no disasters.