Put the MOTD at /etc/invirt/motd.html and parse it as HTML 0.1.5
drwxr-xr-x - code
-rw-r--r-- 712 config.todo
drwxr-xr-x - debian
drwxr-xr-x - files
-rwxr-xr-x 234 invirt-cache-acls
-rw-r--r-- 1233 power.svg