sudo vi /etc/systemd/system/foo.service
#/etc/systemd/system/foo.service
[Unit]
Description=DESCRIPTION
After=network.target
[Service]
Environment=FOO=FOO
Environment=BAR=BAR
User=root
Group=root
ExecStart=path/to/exec args
Restart=on-failure
WorkingDirectory=/path/to/dir
[Install]
WantedBy=multi-user.target
sudo systemctl status foo
sudo journalctl -u foo
sudo journalctl --follow -u foo
sudo systemctl restart foo
sudo systemctl stop foo
sudo systemctl enable foo