Chapter 11: Ansible Introduction
11.10 Troubleshooting table
| Symptom | Likely cause | What to try |
|---|---|---|
UNREACHABLE |
SSH/user/SG/key | Manual ssh; fix inventory |
module yum not found / wrong pkg module |
Wrong OS family module | Use apt or dnf as appropriate |
| Permission denied | Missing become |
become: true + sudo rights |
| Changed every run | Task using non-idempotent shell | Switch to file/package modules |
| Curl fails after green playbook | SG / wrong counter / Nginx not listening | ss/curl on host; AWS SG refresh |