AxelSariel / linux-playground

General scripts and aliases I use in my linux environments

linux-playground

General scripts and aliases I use in my linux environments

System Services

To run applications as system service

Autossh Reverse Tunnel

1. Install autossh with sudo apt install autossh
2. Create service file sudo nano /etc/systemd/system/tunnel-service.service
3. Paste the following, where 9997 is remote port and cakes is the remote host config in ~/.ssh; make sure you put your specified user

[Unit]
Description="SSH Reverse Tunnel Service"
After=network-online.target ssh.service

[Service]
Type=simple
User=pi
Restart=always
RestartSec=5
ExecStart=/usr/bin/autossh -M 0 -o ExitOnForwardFailure=yes -N -R 9997:localhost:22 cakes

[Install]
WantedBy=multi-user.target

4. Install service with sudo systemctl enable tunnel-service.service
5. Start service with sudo systemctl start tunnel-service.service
6. From your remote computer, ssh into the reversed tunnel computer by ssh user@localhost -p 9997