(Lettura del database... 
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(Lettura del database... 284461 file e directory attualmente installati.)
Rimozione di linux-image-extra-4.4.0-51-generic (4.4.0-51.72)...
depmod: FATAL: could not load /boot/System.map-4.4.0-51-generic: No such file or directory
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-51-generic /boot/vmlinuz-4.4.0-51-generic
run-parts: executing /etc/kernel/postinst.d/dracut 4.4.0-51-generic /boot/vmlinuz-4.4.0-51-generic
run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-51-generic /boot/vmlinuz-4.4.0-51-generic
run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-51-generic /boot/vmlinuz-4.4.0-51-generic
run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-51-generic /boot/vmlinuz-4.4.0-51-generic
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-51-generic /boot/vmlinuz-4.4.0-51-generic
Searching for GRUB installation directory ... found: /boot/grub
/etc/default/grub: riga 11: GRUB_CMDLINE_LINUX_DEFAULT: comando non trovato
run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 127
dpkg: errore nell'elaborare il pacchetto linux-image-extra-4.4.0-51-generic (--remove):
 il sottoprocesso installato script di post-removal ha restituito lo stato di errore 1
Rimozione di linux-image-4.4.0-51-generic (4.4.0-51.72)...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/dracut 4.4.0-51-generic /boot/vmlinuz-4.4.0-51-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 4.4.0-51-generic /boot/vmlinuz-4.4.0-51-generic
Searching for GRUB installation directory ... found: /boot/grub
/etc/default/grub: riga 11: GRUB_CMDLINE_LINUX_DEFAULT: comando non trovato
run-parts: /etc/kernel/postrm.d/zz-update-grub exited with return code 127
Failed to process /etc/kernel/postrm.d at /var/lib/dpkg/info/linux-image-4.4.0-51-generic.postrm line 328.
dpkg: errore nell'elaborare il pacchetto linux-image-4.4.0-51-generic (--remove):
 il sottoprocesso installato script di post-removal ha restituito lo stato di errore 1
Rimozione di linux-image-extra-4.4.0-53-generic (4.4.0-53.74)...
depmod: FATAL: could not load /boot/System.map-4.4.0-53-generic: No such file or directory
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-53-generic /boot/vmlinuz-4.4.0-53-generic
run-parts: executing /etc/kernel/postinst.d/dracut 4.4.0-53-generic /boot/vmlinuz-4.4.0-53-generic
run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-53-generic /boot/vmlinuz-4.4.0-53-generic
run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-53-generic /boot/vmlinuz-4.4.0-53-generic
run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-53-generic /boot/vmlinuz-4.4.0-53-generic
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-53-generic /boot/vmlinuz-4.4.0-53-generic
Searching for GRUB installation directory ... found: /boot/grub
/etc/default/grub: riga 11: GRUB_CMDLINE_LINUX_DEFAULT: comando non trovato
run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 127
dpkg: errore nell'elaborare il pacchetto linux-image-extra-4.4.0-53-generic (--remove):
 il sottoprocesso installato script di post-removal ha restituito lo stato di errore 1