Trying to install ispconfig on a complete new server with debian 11, hostname is correctly set to biocrumb.pt Code: [email protected]:~# cat /etc/hosts 127.0.0.1 localhost ::1 localhost ip6-localhost ip6-loopback ff02::1 ip6-allnodes ff02::2 ip6-allrouters # Auto-generated hostname. Please do not remove this comment. 184.108.40.206 biocrumb.pt biocrumb [email protected]:~# Code: [email protected]:~# hostname -f biocrumb.pt [email protected]:~# And when I try to install through the script I get this error: Code: [INFO] Checking hostname. [ERROR] The host name biocrumb.pt of your server is no fully qualified domain name (xyz.domain.com). Please check it is correctly set. (/lib/os/class.ISPConfigDebianOS.inc.php:590) [ERROR] Exception occured: ISPConfigOSException -> Host name is no FQDN. (/ispconfig.ai.php:15) What am I doing wrong?