wanip-checker/wanip-checker@.service

# Should be placed to /usr/lib/systemd/user/

####
# Usage

# systemctl --user enable wanip-checker@<username>.service && \
# systemctl --user start wanip-checker@<username>.service && \
# systemctl --user daemon-reload

[Unit]
Description=WAN IPv4 checker & email sender for dynamic IPv4 server environments
After=network-online.target

[Service]
ExecStart=/usr/bin/bash /home/%i/wanip-checker.sh

# Restart (check) every 1 minute (60 seconds)
RestartSec=60
Restart=always

# Emailing fails if this is enabled
#NoNewPrivileges=true

[Install]
WantedBy=default.target