On Nov 21, 2021, at 9:28 PM, Jarrod Coombes via Nut-upsuser
<[email protected]> wrote:
>
> When I try to start the UPS monitor service I get:
>
> Starting Network UPS Tools - power device monitor and shutdown controller...
> fopen /run/nut/upsmon.pid: No such file or directory
> /etc/nut/upsmon.conf line 86: invalid directive monitor APC-t@localhost 1
> admin <8 random letters> master
> /etc/nut/upsmon.conf line 87: invalid directive monitor APC-b@localhost 1
> admin <8 random letters> master
^^^^^^^ most of NUT is
case-sensitive, so this should be "MONITOR".
> The two UPSes are identical, so I created some custom udev rules to create
> /dev/apc-t and /dev/apc-b and this appears to work. I can run ls /dev/a* and
> get:
>
> /dev/apc-b /dev/apc-t /dev/autofs
If these dev nodes work, it is just coincidence - the usbhid-ups driver cannot
open a specific UPS by a /dev node, and the port option is ignored:
https://networkupstools.org/docs/man/usbhid-ups.html#_implementation
In your case, it sounds like you can specify "serial =" for each UPS in
ups.conf.
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