Archive for 'NAS'

Twitter

10 March 2008

Collin and i are running a Twitter stream for quick updates on all things related to NAS4220 hacking. Get your information overload here.

Just booted my first self compiled kernel

9 March 2008

RaidSonic being a good FOSS citizen has put out the sources of the linux kernel they use on the NAS4220. I used buildroot to generate myself an armv4 cross toolchain and than tried to compile my own kernel. The first thing that needs to be changed is the $CROSS_COMPILE variable in the kernel makefile. The […]

What is inside?

9 March 2008

The firmware of the device is kept on a 16MB flash chip. From looking at the boot log of the linux kernel you can see that it is split up into several partitions.

SL2312 MTD Driver Init…….
SL2312 CFI Flash: Found 1 x16 devices at 0×0 in 16-bit bank
Amd/Fujitsu Extended Query Table at 0×0040
number of CFI […]

Redboot TFTP

9 March 2008

Lets see if we can get the TFTP upload working. On start up the boot loader will present you this menu.

Boot Menu
==============================================================================
0: Reboot […]

NAS-4220 explorations

8 March 2008

I have several disks which are encrypted using dm_crypt/LUKs. Unfortunately these disk don’t seem to be supported by the default software. Well i guess thats a good excuse to have a look at the bowels of this box.
One way to get a shell on the box is to cross compile a ssh […]

NAS-4220

7 March 2008

I recently bought a NAS-4220 from Raidsonic. Its a nice piece of hardware with a lot of punch, low energy requirements and a cheap price. I’ve been looking for a NAS/home-server for some time now but hadn’t found a suitable solution so far.
My requirements were:

it needs to be linux based so i can also use […]

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