<code>
[Unit]
Description=Direwolf Daemon
Wants=network-online.target
After=sound.target syslog.target network-online.target
OnFailure=notify-pager@%i.service

[Service]
User=pi
ExecStart=/bin/sh -c 'rtl_fm -f 144.80M -s 24000 - | direwolf -c /etc/direwolf.conf -t 0 -a 600 -'
StandardOutput=syslog
StandardError=syslog
SyslogIdentifier=direwolf
Restart=always

[Install]
WantedBy=multi-user.target
</code>

<code>
[Unit]
Description=Send Notifications to DAPNET pager

[Service]
Type=oneshot
ExecStart=/usr/local/bin/pagerNotify.sh %i

[Install]
WantedBy=multi-user.target
</code>

<code>
#!/bin/bash

curl -H "Content-Type: application/json" -u callsign:password -d '{ "text": " Pi Alert: '"$1"'.service Failed", "callSignNames": ["EI5IYB"], "transmitterGroupNames": ["ei-all"], "emergency": false }' http://www.hampager.de:8080/calls

echo 'Service' $1 'Failed'
# Exit with success code
exit 0
EOF
</code>