Some problems with uclinux

Hi

I met following problems when I am building standard linux tasks.

->Creating a ram disk image of ext2 fs problem

My cf card is ok and creating an ext2 fs successfully.But the next step for creating a ram disk image always does not rool my hoop.

  #  dd if=/dev/zero of=/dev/ram0 bs=1k count=1024]

<div class='quotetop'>QUOTE </div>

--- Quote Start ---

/dev/ram0:No space left on device

4097+0 records in

4096+0 records out [/b]

--- Quote End ---

 
   #  mke2fs -s0 -vm0 /dev/ram0 1024
   #  tune2fs -i 0 /dev/ram0
   #  mount /dev/ram0 /mnt
  #  umount /mnt
  #  dd if=/dev/ram0 of=ramfs1024.img count=1024

<div class='quotetop'>QUOTE </div>

--- Quote Start ---

ramfs1024.img:Read-only file system[/b]

--- Quote End ---

# mount –n /dev/hda1 /mnt/ide0#  dd if=/ramfs1024.img of=/dev/ram0

<div class='quotetop'>QUOTE </div>

--- Quote Start ---

/ramfs1024.img:No such file or directory[/b]

--- Quote End ---

It seems that the ram image is not created.

-->Ftpd problem

I can connect and login Ok,but I can&#39;t upload. It&#39;s read-only.

How to create a rw fs?

Thank you!