Wulf's Various Things

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====== Kindle 4 NT ======

Model D01100 - 4th generation Kindle

===== Jailbreak =====

https://wiki.mobileread.com/wiki/Kindle4NTHacking
Download jailbreak from http://www.mobileread.com/forums/showthread.php?t=191158
https://www.mobileread.com/forums/attachment.php?attachmentid=141180&d=1439936080
 - Connect Kindle via micro USB to PC
 - copy the data.tar.gz, ENABLE_DIAGS and diagnostic_logs to the Kindle's USB drive's root
 - Safely remove the USB device, remove the cable and restart the Kindle (Menu -> Settings -> Menu -> Restart)
 - Device restarts into diagnostics mode. Select "D) Exit, Reboot or Disable Diags" (using the 5-way keypad)
 - Select "R) Reboot System" and "Q) To continue", press 'FW Left' (left on 5-way keypad) to select an option
 - Wait about 20 seconds: you should see the Jailbreak screen for a while, and the device should then restart normally
 - After the Kindle restarts, you should see a new book titled "You are Jailbroken", if you see this, the jailbreak has been successful.

===== SSH =====
http://www.mobileread.com/forums/showthread.php?t=88004
https://www.mobileread.com/forums/attachment.php?attachmentid=141341&d=1440341478
 - copy Update_usbnetwork_0.57.N_k4_install.bin via usb to kindle root, then launch it by going to [Menu] -> Settings -> [Menu] -> Update Your Kindle.
 - reconnect kindle
 - edit Kindle/usbnet/etc/config - set wifi to true, wifi_sshd_only to true, openssh true, volumd true
 - add ssh keys to Kindle/usbnet/etc/authorized_keys
 - enable pubkeys in sshd_config
 - create file 'auto' in root
 - configure wifi in [Menu] -> Settings -> Wifi
 - reboot kindle


writable root partition:
mntroot rw


===== root password =====

Note serial number from menu -> settings -> device info

Use javascript/online version to get likely root password:
https://www.sven.de/kindle/

Or use python script:
https://www.mobileread.com/forums/showthread.php?p=1873256
<code python>
#!/usr/bin/env python
import hashlib
print("fiona%s"%hashlib.md5("XXXYOURSERIALXXX\n".encode('utf-8')).hexdigest()[7:11])
</code>



===== KUAL =====

KUAL doesn't quite work right. Needs to be installed with disabled wifi, then works but stops working once wifi is enabled.

https://www.mobileread.com/forums/showthread.php?t=203326
https://storage.gra.cloud.ovh.net/v1/AUTH_2ac4bfee353948ec8ea7fd1710574097/mr-public/Touch/kindle-mkk-20141129-r18833.tar.xz
https://storage.gra.cloud.ovh.net/v1/AUTH_2ac4bfee353948ec8ea7fd1710574097/mr-public/KUAL/KUAL-v2.7.29-g7750a3a-20221017.tar.xz
disable wifi -> aeroplane mode
copy mkk installer for K4 into root
copy v1 azw file into document folder
menu->settings->menu->update kindle

  helper+ -> "prevent OTA updates"

https://storage.gra.cloud.ovh.net/v1/AUTH_2ac4bfee353948ec8ea7fd1710574097/mr-public/KUAL/kual-mrinstaller-1.7.N-r18983.tar.xz
https://storage.gra.cloud.ovh.net/v1/AUTH_2ac4bfee353948ec8ea7fd1710574097/mr-public/KUAL/kual-kual-plus-0.2.N-r13380.tar.xz
https://storage.gra.cloud.ovh.net/v1/AUTH_2ac4bfee353948ec8ea7fd1710574097/mr-public/KUAL/kual-gawk-1.5.N-r18977.tar.xz


===== Dashboard =====

This github creates a web page with chart js, then uses node js and chrome in headless mode to create a png image from it which is displayed on the kindle:
https://github.com/rstreefland/kindle-octopus-agile-dashboard

example url used by kindle for dashboard:
http://192.168.1.2:6000/?token=12345678
{{:howto:pasted:20231103-123326.png?400}}

Ssh into kindle and start dashboard:
<code>
ssh root@192.168.1.20
#pw fiona4da
/mnt/us/dashboard/start.sh</code> 
===== Links =====


https://www.mobileread.com/forums/showthread.php?t=203326
https://www.mobileread.com/forums/showthread.php?t=225030
https://en.wikibooks.org/wiki/OpenSSH/Cookbook/Public_Key_Authentication
https://www.mobileread.com/forums/showthread.php?t=352957
https://www.mobileread.com/forums/showthread.php?p=1873256
https://wiki.mobileread.com/wiki/Kindle4NTHacking
https://hub.docker.com/r/shivjm/node-chromium/tags
https://github.com/rstreefland/kindle-octopus-agile-dashboard/blob/main/kindle/local/fetch-dashboard.sh
https://github.com/pascalw/kindle-dash/blob/main/docs/screenshotter/screenshot.js
https://github.com/rstreefland/kindle-octopus-agile-dashboard