[Unit]
Description=Upgrade Galmon Software
After=network.target nss-lookup.target
StartLimitIntervalSec=0
# require that the configuration exists
ConditionPathExists=/etc/default/galmon

[Service]
Type=simple
Restart=never
ExecPreStart=-apt-get update
ExecStart=-apt-get upgrade -y galmon

[Install]
WantedBy=multi-user.target