1 PS4 Fw 1.76
1 Usb Hdd or a Usb Key big enough to install Ubuntu
First you need to install Ubuntu on your Usb Hdd :
Download the Iso
Copy the iso to Usb with a tool like unetbootin (Win/mac/linux) https://unetbootin.github.io/ (You can burn on a Dvd also)
Boot on this Usb or Dvd
I've used the ubuntu-14.04.4-desktop-amd64.iso and made the install on my Usb Hdd (with a PC of course) , nothing more to say here just configure your keyboard layout , password ...)
So now you should have Ubuntu installed on your Usb Hdd ...
Now go to the PS4-Playground and load Linux (you must have of course a usb key with bZimage & initramfs.cpio.gz in the PS4)
Now you should see better-initramfs shell ...
Plug the Usb Hdd where you have your ubuntu install (At this point you can remove the Usb key with bZimage & initramfs.cpio.gz everything is in RAM)
Type fdisk -l to see the name of your Usb Hdd ( /dev/sdXX)
As you can see my ubuntu partition is in /dev/sdc1
Now just type (if your bootable partition is sdc1)
mount /dev/sdc1 newroot/
exec switch_root /newroot/ /newroot/sbin/init
Sometimes exec switch_root don't start at the first time , just type the command again ..
Wait a few seconds and you should see Ubuntu running
Keep in mind that there's no network working yet
Edit about network : The included ethernet driver on the published kernel supports only 1gbps link. 100mbps is not supported yet (From Kr105)
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