Ansible tutorial: your first playbook on a VPS
Install Ansible with pipx on Ubuntu 24.04, write an inventory and a first playbook that hardens a fresh VPS, plus fixes for Permission denied and sudo errors.
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Claude + n8n: build AI workflows on a VPS
Wire the Claude API into self-hosted n8n: credentials, model choice per node, three worked AI workflows, per-run cost math, and the errors that bite.
Self-host n8n on a VPS: Docker + HTTPS
Run n8n on a VPS with Docker Compose, Postgres, and HTTPS behind a reverse proxy: the WEBHOOK_URL and encryption-key traps, plus every error string.