How to see *Messages* buffer as advised in this answer - https://emacs.stackexchange.com/a/32069/23367?
Why do I need this?
I am new to Spacemacs and I am trying to understand how it can help me writing Ansible roles and testing them. I found Ansible layer, added ansible to dotspacemacs-configuration-layers and restarted Spacemacs. Still I have no idea how to use that. SPC m h a doesn't work - resulting in SPC m is undefined. Spacemacs shows /YAML\ at the bottom near the filename. I don't see that Spacemacs detected YAML file as an Ansible playbook - I don't get any hints or errors displayed on the screen. Perhaps I need to change mode from YAML to Ansible somehow, but first I need to check if there are any errors why loading the layer for Ansible.

evil-tutor, but didn't get far. – Anatoli Babenia May 02 '19 at 13:09