infra/setup-commands.md

🛠️ Mystic Stack: Node Onboarding Guide

Remove any standalone node_exporter installations to avoid port conflicts on 9100.

sudo systemctl stop node_exporter
sudo systemctl disable node_exporter
sudo rm /etc/systemd/system/node_exporter.service
sudo systemctl daemon-reload

# Install dependencies
sudo apt-get update
sudo apt-get install ca-certificates curl gnupg git -y

# Add Docker’s official GPG key
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL [https://download.docker.com/linux/ubuntu/gpg](https://download.docker.com/linux/ubuntu/gpg) | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
sudo chmod a+r /etc/apt/keyrings/docker.gpg

# Add the repository to Apt sources
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] [https://download.docker.com/linux/ubuntu](https://download.docker.com/linux/ubuntu) \
  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

# Install Docker Stack
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin -y

# Install dependencies
sudo apt-get update
sudo apt-get install ca-certificates curl gnupg git -y

# Add Docker’s official GPG key
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL [https://download.docker.com/linux/ubuntu/gpg](https://download.docker.com/linux/ubuntu/gpg) | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
sudo chmod a+r /etc/apt/keyrings/docker.gpg

# Add the repository to Apt sources
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] [https://download.docker.com/linux/ubuntu](https://download.docker.com/linux/ubuntu) \
  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

# Install Docker Stack
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin -y

sudo usermod -aG docker $USER
newgrp docker

# Generate key (Press Enter for all prompts)
ssh-keygen -t ed25519 -C "$(hostname)"

# Output public key for Forgejo Web UI
cat ~/.ssh/id_ed25519.pub

# Setup Directory
mkdir -p ~/mystic-stack && cd ~/mystic-stack

# Clone Repository (Using Tailscale IP of Git VM)
git clone git@100.98.158.31:bray/infra.git .

# Launch Node Exporter
docker compose -f nodes/docker-compose.node.yml up -d