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Setup Scripts

This directory contains scripts for setting up SSH access and direct connection to Raspberry Pi devices.

Scripts

setup_ssh_key.sh

Sets up SSH key authentication for a Raspberry Pi.

./setup_ssh_key.sh <username> <raspberry-pi-ip>

Features

  • Generates SSH key pair if not exists
  • Copies public key to Raspberry Pi
  • Tests SSH connection
  • Configures SSH config file for easy access

Requirements

  • SSH access to Raspberry Pi
  • Password authentication enabled
  • Sudo privileges on Raspberry Pi

setup_direct_connection.sh

Configures direct connection to a Raspberry Pi using a USB-C cable.

./setup_direct_connection.sh <username> <raspberry-pi-ip>

Features

  • Configures USB-C connection
  • Sets up network interface
  • Tests connection
  • Configures SSH for direct connection

Requirements

  • USB-C cable connected between host and Raspberry Pi
  • SSH access to Raspberry Pi
  • Sudo privileges on Raspberry Pi

Directory Structure

setup/
├── setup_ssh_key.sh           # SSH key setup script
└── setup_direct_connection.sh # Direct connection setup script

Usage

SSH Key Setup

  1. Run the SSH key setup script:
./setup_ssh_key.sh <username> <raspberry-pi-ip>

  1. Enter your password when prompted

  2. Verify the connection:

ssh <username>@<raspberry-pi-ip>

Direct Connection Setup

  1. Connect Raspberry Pi to host using USB-C cable

  2. Run the direct connection script:

./setup_direct_connection.sh <username> <raspberry-pi-ip>
  1. Test the connection:
ssh <username>@raspberrypi.local

Troubleshooting

Common Issues

  1. SSH Key Setup Failures

    • Check SSH service is running on Raspberry Pi
    • Verify password authentication is enabled
    • Check SSH key permissions

  2. Direct Connection Issues

    • Verify USB-C cable is properly connected
    • Check network interface configuration
    • Ensure mDNS is working (raspberrypi.local)

  3. Permission Errors

    • Ensure user has sudo privileges
    • Check SSH key permissions
    • Verify SSH config file permissions

Logs

  • SSH connection logs: ssh -v <username>@<raspberry-pi-ip>
  • System logs: sudo journalctl -xe
  • Network logs: ifconfig or ip addr