gistfile1.txt

# nut.conf
MODE=netserver

# ups.conf
[ipg800]
    driver = bcmxcp
    port = /dev/ttyUSB0
    desc = "Eaton IPG 800"l
    
# upsd.conf
LISTEN 127.0.0.1 3493
LISTEN 127.0.1.1 3493
LISTEN ::1 3493
LISTEN my.real.ipv4.address 3493
LISTEN my:real:ipv6:address 3493

# upsd.users
[admin]
    password = correct.horse.battery.staple
    actions = SET
    instcmds = ALL
    
[upsmon]
    password = hunter2
    upsmon = master
    
# upsmon.conf
MONITOR ipg800@localhost 1 upsmon hunter2 master
# [... other config options as included; easy enough to understand ...]
# note you need to roll your own NOTIFYCMD