@george1421 Managed to get it fixed.
I followed these insturctions and found out that I had the 066 was not selected 
https://wiki.fogproject.org/wiki/index.php?title=BIOS_and_UEFI_Co-Existence
thanks a lot for the help and keep up the good work.
Wishing a great Christmas and New year to all the team, and to your families and loves ones!
@sebastian-roth said in Changing hostname from fog broken:
http://fog/fog/management/ - doesnt seem to open
http://192.168.0.58/fog/management - works
however when I ping fog I get a reply
I only got 1 fog server
Command as requested:
root@fog:~# ls -al /var/www/{,html}
/var/www/:
total 16
drwxr-xr-x 4 root root 4096 Jan 29 2019 .
drwxr-xr-x 15 root root 4096 Jan 29 2019 ..
drwxr-xr-x 11 www-data www-data 4096 Jan 29 2019 fog
drwxr-xr-x 3 root root 4096 Mej 26 12:24 html
/var/www/html:
total 28
drwxr-xr-x 3 root root 4096 Mej 26 12:24 .
drwxr-xr-x 4 root root 4096 Jan 29 2019 ..
drwxr-xr-x 10 www-data www-data 4096 Mej 26 12:26 fog
-rw-r--r-- 1 root root 10918 Jan 29 2019 index.html
-rw-r--r-- 1 www-data www-data 52 Ott 8 2020 index.php
root@fog:~#
issue seems to be sorted … secure boot was enabled 
thanks for your reply anyway 