$ ./halium-install-master/halium-install -p ut -s ./ubuntu-touch-android9-arm64.tar.gz ./system/var/lib/lxc/android/android-rootfs.img

Here is the output:

D: Chosen rootfs is ./ubuntu-touch-android9-arm64.tar.gz D: Chosen android image is ./system/var/lib/lxc/android/android-rootfs.img D: Chosen release is ut D: Compress images before pushing: false I: Writing rootfs into mountable image I: Writing android image into mountable image I: Running post installation tasks enabling SSH ... [done] Please enter a new password for the user 'phablet': Enter new UNIX password: Retype new UNIX password: passwd: password updated successfully I: Shrinking images e2fsck 1.45.5 (07-Jan-2020) resize2fs 1.45.5 (07-Jan-2020) The filesystem is already 138429 (4k) blocks long. Nothing to do! I: Unmounting images I: Pushing rootfs and android image to /data via ADB I: Pushing rootfs to /data via ADB .halium-install-imgs.DQXbh/rootfs.img: 1 file pushed. 32.9 MB/s (3221225472 bytes in 93.286s) I: Pushing android image to /data via ADB .halium-install-imgs.DQXbh/system.img: 1 file pushed. 32.7 MB/s (576184320 bytes in 16.791s) I: Renaming to system-as-root compatible system image real 1m50,149s user 0m0,650s sys 0m4,607s I: Cleaning up umount: .halium-install-rootfs.anHND: not mounted.