sudo umount /var/lib/liteos sudo mksquashfs /var/lib/liteos /var/lib/liteos.squashfs -e boot=LABEL=cloudimg-rootfs Create a directory for your ISO contents:

sudo apt update sudo apt full-upgrade -y Install necessary packages:

sudo chroot /var/lib/liteos /bin/bash Configure locales, hostname, and mount points:

useradd -m user passwd user usermod -aG sudo user Exit the chroot environment: