Build18 2025

Carnegie Mellon University's build18 2025 hackathon.

Underwater drone

The Team

Team name: Robotron

• Ben Lee
• David Seong
• John Min
• Sidney Nimako
• Weichen Qiu

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Setting up systemctl

Using systemctl to start up launch program on reboot

Create and write to service file:

sudo vim /etc/systemd/system/build18.service

[Unit]
Description=build18 launch
After=network.target

[Service]
ExecStart=/home/pi/build18/launch.py
WorkingDirectory=/home/pi/build18
StandardOutput=inherit
StandardError=inherit
Restart=no
User=root
Group=root

[Install]
WantedBy=multi-user.target

Enable and start the service

sudo systemctl daemon-reload
sudo systemctl enable build18.service
sudo systemctl start build18.service
sudo systemctl status build18.service

# Get logs 
sudo journalctl -u build18.service -f -n 50
# Restart
sudo systemctl restart build18.service