@Sebastian-Roth found it!
2019-01-18T12:59:40.676329Z 119811 [ERROR] /usr/sbin/mysqld: Table ‘pxeMenu’ is marked as crashed and should be repaired
in the mysql log
i am using ubuntu server 16.5 i think
after restart i got this error :
Unexpected inconsistency: Run fsck manually
something like this and i fount the command to do the fsck that needed .
after that the fog server came up as usual but…
pxe booting gotes to the white screen of the menu and i got an error.
in the settings under “iPXE Menu Item Settings”
i dont have anything its empty.
and i dont have any backup :(