Hostname is not a valid fully qualified domain name (FQDN) - Wrong parsing
short description
When instaling in automated script install mode , message "Hostname is not a valid fully qualified domain name (FQDN)" displayed for short domains (example - hostingserver.8.is). This is working FQDN however not recognised by ISP. Also when prompted to change hostname - it wont accept this hostname, and thus install is going into a loop without passing further.
environment
Server OS: ubuntu Server OS version: 18 ISPConfig version: 3.1.13p1