This post made my work easy yesterday – https://www.vladan.fr/check-esxi-logs-from-web-browser/
tl;dr version: go to https://IP_of_Your_ESXi/host.
[Aside] How to quickly get ESXi logs from a web browser (without SSH, vSphere client, etc) by rakhesh is licensed under a Creative Commons Attribution 4.0 International License.