ServerSpan Toolbox

Advanced Cloud-Init Generator

Build production-ready #cloud-config user-data: users, SSH keys, packages, firewall rules, and first-boot commands.

Quick templates Secure access First-boot automation

Generated cloud-init.yaml

Copy the output into your provider’s “user data” field.

# Generate a configuration to see output here.

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Configuration

Choose a template, adjust fields, then generate YAML.

Quick start template

Start with a blank slate and configure everything manually.

Basics

Base OS *

Hostname *

Timezone *

Locale *

Access

Root SSH Keys (one per line)

Additional Users

Format per line: username|ssh-key|sudo. Sudo can be yes or no.

Packages & Files

Packages to install (space or comma separated)

If you add firewall rules on Ubuntu/Debian, ufw is auto-added if missing.

Write files

One per line: /absolute/path|content. Use \n for newlines inside content.

Commands

Boot commands (run early)

One command per line. Runs before package installation.

Run commands (run late)

One command per line. Runs after package installation.

Firewall

Firewall rules (one per line)

Ubuntu/Debian: UFW rules (e.g. 22/tcp, http). Alma/Rocky: firewalld services/ports.

Frequently Asked Questions

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