Script per preparare per Debian 11

export DEBIAN_FRONTEND=noninteractive; apt-get update && apt-get install -y lsof && \
snap remove --purge oracle-cloud-agent && snap remove --purge core18 && \
apt-get purge -y $(dpkg-query -Wf '${Package}\n' | grep header) $(dpkg-query -Wf '${Package}\n' | grep -oP "^linux.*\d\d\d\d-oracle" | grep -v "$(uname -r)") linux-modules-extra-$(uname -r) lxc* lxd* vim* snapd* python* && \
apt-get -y autoremove --purge && apt-get -y autoclean && rm -rf /var/log/* /var/lib/apt/* /var/cache/apt/* && cd / && \
mount -t tmpfs -o size=700m tmpfs mnt && tar --one-file-system -c . | tar -C /mnt -x && \
mount --make-private -o remount,rw / && \
mount --move dev mnt/dev && mount --move proc mnt/proc && \
mount --move run mnt/run && mount --move sys mnt/sys && \
sed -i '/^[^#]/d;' mnt/etc/fstab && \
echo 'tmpfs / tmpfs defaults 0 0' >> mnt/etc/fstab && \
cd mnt && mkdir old_root && \
mount --make-private /