# /etc/systemd/system/web1-usb-backup.service
[Unit]
Description=Run nightly web1 USB backup
Wants=network-online.target
After=network-online.target mariadb.service

[Service]
Type=oneshot
ExecStart=/usr/local/sbin/web1-usb-backup.sh
User=root
Group=root
Nice=10
IOSchedulingClass=best-effort
IOSchedulingPriority=7