[Unit]
Description=restartPort
After=network.target auditd.service

[Service]
Type=simple
User=root
Group=root

StandardOutput=syslog
StandardError=syslog
SyslogIdentifier=checkPort
SyslogFacility=local0
ExecStartPre=/bin/bash -c "/home/ubuntu/data/shell/autoDeploy/checkPort.sh localhost 53 'systemctl restart dnsmasq.service'"
ExecStart=/bin/bash -c "echo 'checkPort done'"

Restart=on-failure
RestartSec=300
TimeoutSec=255
RestartPreventExitStatus=255