I have mimic installed and for some reason the dashboard isn't showing up.
I see which mon is listed as active for "mgr", the module is enabled, but
nothing is listening on port 8080:
# ceph mgr module ls
{
"enabled_modules": [
"dashboard",
"iostat",
"status"
tcp 0 0 10.8.152.4:6800 0.0.0.0:* LISTEN
69049/ceph-mgr