[Kindle 4: Jailbreak and SSH] #kindle #ssh #jailbreak

readme.md

Following this guide: https://wiki.mobileread.com/wiki/Kindle4NTHacking#SSH.
Using Kindle 4.1 and macOS 10.14.

Jailbreak

1. Connect the Kindle. It should be recognized as a USB Mass Storage Device.
2. Download the jailbreak archive
3. Copy data.tar.gz, ENABLE_DIAGS, and diagnostic_logs to the Kindle folder.
4. Restart the Kindle into Diagnostics Mode.
5. Reboot the Kindle from the Diagnostics Mode. Reboot screen should show jailbroken screensaver.

SSH

1. Download the USBNetwork archive needed to enable SSH over network access.
2. Edit the usbnet/etc/config file if needed. I changed:
   1. K3_WIFI="true"
   2. USE_OPENSSH="true"
   3. (Optional) K3_WIFI_SSHD_ONLY="true" (only after first time connecting via SSH and setting up auto-enabled USBNetwork)
3. (Optional) rename usbnet/DISABLED_auto to usbnet/auto to enable USBNetwork Utility start on device startup.
4. Enable the USBNetwork Utility from the Kindle (enable the keyboard if needed); type:
   1. ;debugOn
   2. ~usbNetwork
   3. ;debugOff
5. Connect the Kindle again.
6. Manually configure the device IPv4:
   • IP Address: 192.168.15.201
   • Subnet: 255.255.255.0
7. Obtain the Kindle root user password:
   • Enter the Kindle S/N into the Kindle Root Password Tool to get the root password for SSH access.
8. SSH into the Kindle: ssh root@192.168.15.244 and enter password from previous step

@cyrillkuettel Thanks for the quick reply!

Yeah it's Amazon's newest Kindle. I actually had that exact tab from Mobileread open, but couldn't get it to work. I also didn't see authorized_keys folder or files named that on my Kindle.

I'm actually trying to find a solution how to upload files from KOReader to Dropbox (download obviously no problem). One user seems to have developed a quick & dirty solution here on Github.

So since I have no idea how to get his solution up & running I thought I'd try the whole syncthing, which requires USBNetwork hack, SSH and so forth.

Once you can log in as root via shared keys, you can set password using command passwd