!
    ➜  ~ cat /etc/nut/ups.conf
    maxretry = 3
    [ups]
        driver = "usbhid-ups"
        port = "auto"
    ➜  ~ cat /etc/nut/upsd.conf
    MAXAGE 25
    LISTEN 0.0.0.0 6502
    ➜  ~ cat /etc/nut/upsd.users
    [monuser]
        password = secret
        upsmon = master
    ➜  ~ cat /opt/scripts/upssched-cmd.sh
    ! /bin/sh
    /opt/scripts/mail.py "Alarm from PVE" "$1"