Opret en fil i /etc/systemd/system/myservice.service
[Unit]
Description=MYSERVICE
After=network.target
[Service]
Type=forking
ExecStart=/usr/bin/screen -S MYSERVICE -d -m /opt/myservice/myservice.py -i
[Install]
WantedBy=multi-user.target
Herefter enabled og startes services med
# systemctl enable myservice --now