[SOLVED] Zentyal 4.0 GUI Upgrade to 4.1 Internal Server Error, DISASTER!!

[romapao]

Hello Everyone,
i have just clicked on "upgrade to 4.1". After the upgrade has finished, nothing seems to be working.
The first problem i have, the web interface cannot be reached under 8443. I get the message "internal server error".
DHCP dont work
DNS dont work
Samba and the shared folders dont work
but i can log with ssh
Any help is greatly appreciated.
kind regards,

[romapao]

the upgrade was unsuccessful because I had the partition \ boot full.
with the command

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df -hI verified that \ boot had 100% of the space occupied

I had to cancel with

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sudo rm config-3.13.0-x-generic
sudo rm abi-3.13.0-x-generic
sudo rm initrd.img-3.13.0-x-generic
sudo rm System.map-3.13.0-x-generic
sudo rm vmlinuz-3.13.0-x-generic
the old kernel
and then

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sudo apt-get -f installto recover the installation failed with error.
at last

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sudo apt-get updateand

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sudo apt-get upgrade