Step-by-step guide:

I will now describe the simple steps that you need to take to create and then manage the service with systemctl:

1. Create the service file that will tell systemd how to manage our gophish service. We create the file by opening up a new file with the text editor of your choice
   
   sudo vim /etc/systemd/system/gophish.service
   
   
2. Now it’s time to enter the following text into the new file and then save it, replace WorkingDirectory and ExecStart with the location where you installed gophish:
   
   [Unit]
Description=gophish-service

[Service]
Type=simple
WorkingDirectory=/opt/gophish/
ExecStart=/opt/gophish/gophish

[Install]
WantedBy=multi-user.target
   
   
3. Now you want to reload the systemd manager configuration
   
   sudo systemctl daemon-reload
   
   
4. Now we are ready to start the service and then make sure that the service is started:
   
   sudo systemctl start gophish
sudo systemctl status gophish
   
   
5. Now the service is running. If you want to stop the service you can simply just run:
   
   sudo systemctl stop gophish
   
   
6. If you want to start the service automatically after each reboot of the machine you run:
   
   sudo systemctl enable gophish