#make a temp dir: mkdir rootfs #Extract your rootfs tarball: tar xf *date*-rootfs.tar -C ./rootfs/ #Now, make a file called "ubinize.cfg", edit it, and paste the contents of *note 1* #Make a ubifs image with our rootfs contents: mkfs.ubifs -m 2048 -e 129024 -c 2047 -R 4MiB -r ./rootfs/ -v ./base.ubi.img #Package it up: ubinize -o ./rootfs.img ubinize.cfg -m 2048 -p 128KiB -s 512 #...And write it to your N900: flasher-3.5 -r ./rootfs.img -f -R
[ubifs] mode="ubi" image="./base.ubi.img" vol_id="0" vol_size="200MiB" vol_type="dynamic" vol_name="rootfs" vol_alignment="1" vol_flags="autoresize"