cat > /etc/systemd/system/foobar.service << EOF
[Service]
WorkingDirectory=/home/user/foobar
User=user
ExecStart=/usr/bin/python3 main.py
[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl enable foobar
systemctl start foobar
systemctl status foobarHost outside
HostName 192.168.0.1
User bob
Host inside
Hostname 172.16.0.1
User alice
ProxyCommand ssh -q -A outside nc %h %pHost outside
HostName 192.168.0.1
User bob
LocalForward 1222
Host inside
HostName localhost
Port 1222
User alice