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blackboxprogramming
2025-08-08 02:10:13 -05:00
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scripts/Droplet setup (run on root@159.65.43.12).ssh Normal file
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This generates an ed25519 deploy key on the droplet, pins GitHub’s host keys, configures SSH to use the key, and prints the public key for you to paste into GitHub (Deploy Keys → Write access).
# --- Phase A: key + ssh config ---
mkdir -p ~/.ssh && chmod 700 ~/.ssh
ssh-keygen -t ed25519 -f ~/.ssh/lucidia_deploy -N "" -C "lucidia-deploy@droplet"
# Pin GitHub host keys so cron never hangs on prompts
ssh-keyscan -t rsa,ecdsa,ed25519 github.com >> ~/.ssh/known_hosts
chmod 644 ~/.ssh/known_hosts
# Force this identity for github.com
cat > ~/.ssh/config <<'EOF'
Host github.com
HostName github.com
User git
IdentityFile ~/.ssh/lucidia_deploy
IdentitiesOnly yes
EOF
chmod 600 ~/.ssh/config
echo "==== PUBLIC KEY (add to GitHub → Repo → Settings → Deploy Keys, name: lucidia-droplet, enable Write) ===="
cat ~/.ssh/lucidia_deploy.pub