Your Debian Server

We are using debian linux.

Software Installation

You will need to install these open source packages using apt

nginx

A web server

certbot and python3-certbot-nginx

This issues https certificates

git

A source control tool

Create a user andrew

sudo adduser --disabled-password --gecos "" andrew
sudo usermod -aG sudo andrew
echo "andrew ALL=(ALL) NOPASSWD: ALL" | sudo tee /etc/sudoers.d/andrew
sudo mkdir -p /home/andrew/.ssh
sudo cp /root/.ssh/authorized_keys /home/andrew/.ssh/authorized_keys
sudo chown -R andrew:andrew /home/andrew/.ssh
sudo chmod 700 /home/andrew/.ssh
sudo chmod 600 /home/andrew/.ssh/authorized_keys

Install and set up claude

#!/bin/bash
set -e

echo "Installing Claude Code..."
curl -fsSL https://claude.ai/install.sh | bash

echo "Setting up Claude configuration..."
mkdir -p ~/.claude

echo <<< EOF
{
  "$schema": "https://json.schemastore.org/claude-code-settings.json",
  "apiKeyHelper": "echo $MODEL_ACCESS_KEY",
  "env": {
    "ANTHROPIC_BASE_URL": "https://inference.do-ai.run",
    "CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS": "1",
    "ANTHROPIC_DEFAULT_HAIKU_MODEL": "anthropic-claude-haiku-4.5"
  },
  "model": "anthropic-claude-haiku-4.5",
  "theme": "dark"
} EOF > ~/.claude/settings.json"

echo " Claude Code installed and configured"
echo ""
echo "Next step: Set your MODEL_ACCESS_KEY"
echo "  export MODEL_ACCESS_KEY=\"your-api-key-here\""
echo ""
echo "Then run: claude ."