De-attach WD Drive

  • You will have to open your WD MyCloud device and remove the HDD or drive inside it.
  • Attach the drive to your computer.
  • If you don’t have a Linux based OS installed on your computer, you can boot your computer through a live USB. See how to create one at ubuntu.com

Create Partitions

You can skip this section if you have not formatted the drive after connecting it to your computer and have the original partitions.

  • Install need software
apt-get install parted
  • Find your WD drive on your computer, look at the partition sizes and find the one that has a similar size as your WD MyCloud. For me, it was /dev/sdb with a size around 1.8 TB.
fdisk -l
  • Run the utility on your WD drive
parted /dev/sdb
  • Print all partitions on the drive
print
  • Remove all the partitions. For me, there was only one partition
remove 1
  • Recreate all needed partitions
mklabel gpt
mkpart primary 528M 2576M
mkpart primary 2576M 4624M
mkpart primary 16M 528M
mkpart primary 4828M 100%
mkpart primary 4624M 4724M
mkpart primary 4724M 4824M
mkpart primary 4824M 4826M
mkpart primary 4826M 4828M
set 1 raid on
set 2 raid on
  • Quit the utility
quit
  • Format data and swap partitions
mkfs -t ext4 /dev/sdb4
mkswap /dev/sdb3

Install Debian

  • Find your WD drive on your computer, look at the partition sizes and find the one that has a similar size as your WD MyCloud. For me, it was /dev/sdb with a size of around 1.8 TB.
fdisk -l
  • Install software for RAID devices
apt-get install mdadm
  • Mount RAID partitions
mdadm --stop /dev/md*
mdadm -A /dev/md0 /dev/sdb1 /dev/sdb2
  • Mount data partitions
mount -t ext4 /dev/sdb4 /mnt
cd /mnt
  • Download the Clean Debian package and extract it
wget https://github.com/abskmj/wd-mycloud-gen1/releases/download/packages/clean-debian-jessie.tgz

tar -xvfz clean-debian-jessie.tgz

If you are planning to install one of the original packages. You can download that package instead of Debian.

# v3.x
wget https://github.com/abskmj/wd-mycloud-gen1/releases/download/packages/original-v03.04.01-230.tar.gz

tar -xvfz original-v03.04.01-230.tar.gz

# v4.x
wget https://github.com/abskmj/wd-mycloud-gen1/releases/download/packages/original-v04.01.02-417.tar.gz

tar -xvfz original-v04.01.02-417.tar.gz
  • Copy images to partitions
dd if=kernel.img of=/dev/sdb5
dd if=kernel.img of=/dev/sdb6
dd if=config.img of=/dev/sdb7
dd if=config.img of=/dev/sdb8
dd if=rootfs.img of=/dev/md0

Re-attach WD Drive

  • You can shut your computer down and remove the WD drive.

  • You don’t have to assemble the device completely right now, you can simply connect the plate to the drive and attach a LAN / power cord to it.

  • It should start up and show a yellow light.

  • You should see a green light in a while, which means Debian has started properly.

  • You can now ssh into your MyCloud device.

ssh root@192.168.X.XXX # replace with your IP 
  • The default password for the root user is mycloud.

  • DO WHATEVER YOU WANT WITH YOUR NEW LINUX BOX! : )

WARNING: Executing apt-get upgrade sometimes bricks the device and should avoid it.

What’s Next?

References