Hi,
No. I finally decided to install Armbian on my device, which provides OverlayFS out of the box.

Hi, I tried to use overlayfs (overlayroot package) in Ubuntu to enable a read-only file system on NanoPi NEO-Plus2. I followed the general instructions to install overlayroot package and editing /etc/overlayroot.conf to enable it. However after reboot, there is no change and the root partition ( / )...