[Unit]                                                                                                                               
 Description=myscript                                                      
 Requires=network.target                                                         
 After=network.target                                                            
                                                                                  [Service]                                                                       
 Type=idle                                                                       
 ExecStart=<Pathtoscript> > <pathto script>/script.log 2>&1 
 User=user                                                                      
 Group=user                                                                     
                                                                                   
[Install]                                                                       
WantedBy=multi-user.target