raspiblitz/dietpi/README.md

# ⚡️ RaspiBlitz on DietPi ⚡️
#  A hardware agnostic platform


This guide was tested on:

* Odroid HC1
* Odroid HC2 (the same board except it accommodates a 3.5" 12V HDD)
* Raspberry Pi 3 B Plus - no LCD support so far
* hoping to extend this list with more compatible boards especially the ROCK64  

See the hardware specs:  [hardware specs](hw_comparison.md).


![](pictures/DroidBlitz.jpg)

## Download the fully prebuilt RaspiBlitz on DietPi SDcard image

for the Odroid HC1 / HC2 / XU3 / XU4 from this [torrent](https://github.com/openoms/raspiblitz/blob/raspiblitz-dev/dietpi/RaspiBlitz1.0_OdroidHC1_DietPi6.21.1.torrent) or from [mega.nz](https://mega.nz/#F!EVNAAQiB!ZyLHP2dJMRSVjZOTCQMIYA).  
(sha256sum RaspiBlitz1.0_OdroidHC1_DietPi6.21.1.img: 
96ee8700f52a12fb5b13fab3fffcdcf5d364c6dd16c580d969e421cef2cd7cc2)

Steps to run:
- download the .img file,
- burn to a 16 GB SD with [Etcher](https://www.balena.io/etcher/)
- extend the rootFS partition with a partition manager (disks, Gparted, etc.)
- boot the Odroid with the SDcard and login with ssh admin@at.your.raspiblitz.ip, password: raspiblitz

Using this image you can skip the rest of this guide as it is mostly about how this image was built.

The setup continues with the [RaspiBlitz Setup Process](https://github.com/rootzoll/raspiblitz/blob/master/README.md#setup-process-detailed-documentation)

---
## Setting up the DietPi OS

### Download the updated DietPi image

For the Odroid HC1 / HC2 / XU3 / XU4 a v6.20.6 DietPi image with fail2ban installed is uploaded [here](
https://mega.nz/#!AcdVBAbR!O-W3jP5LUgw7lMY8S9XcBWcKX3IhRNAAFmaYzDXIUC0). (sha256sum DietPi_v6.20.6_OdroidXU4-ARMv7-Stretch.img: 
1459b91f66b9db98f3437c31231e44497b7b7dcd9146d2cc41a3da653f9a9215)

Burn to the SDCard with [Etcher](https://www.balena.io/etcher/) and extend the rootfs partition to the size of your card with a partition manager.

Insert the SDcard into the Odroid.

Power up and continue with: [Run the DietPi optimized Raspiblitz SDcard build script](#Run-the-RaspiBlitz-build_sdcard.sh-script)

### Build your own DietPi image:

Watch out this an ardous process. 
Updating from a v6.14 DietPi image is causing a bootloop under some circumstances. Will be sorted once the current, >6.2 version is uploaded for the Odroids.  

For the Odroid HC1 / HC2 / XU3 / XU4 the start is this image:   
https://dietpi.com/downloads/images/DietPi_OdroidXU4-ARMv7-Stretch.7z  
Burn it to the SD with [Etcher](https://www.balena.io/etcher/)

Getting started with DietPi: https://dietpi.com/phpbb/viewtopic.php?f=8&t=9#p9  

In the desktop terminal on Linux / MacOS or Putty on Windows:  

`ssh root@[IP-OF-DIETPI]`  
password: `dietpi`  

Ok > Cancel > Cancel  
automatic apt update & apt upgrade and asks to reboot
![](pictures/dietpi_1st_reboot.png)  

`ssh root@[IP-OF-DIETPI]`  
after the previous update the ssh keys might change:

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@  
@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @  
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@  

run (can be copied from the terminal output):   
`ssh-keygen -f "/home/[your-linux-username]/.ssh/known_hosts" -R "dietpi.IP"`

`ssh root@[IP-OF-DIETPI]`   
yes >   
password: `dietpi`  

At this point if the DietPi was not updated from 6.14 it does not manage to save settings going forward.  
Exit the sotware installer (press Tab to jump to Exit)
![](pictures/dietpi-software_exit.png)  

in the bash prompt run:  
`dietpi-update`
>Ok > Cancel the recovery point   
update > >Opt out of survey > Ok  
Reboots

`ssh root@[IP-OF-DIETPI]`  
password: `dietpi` 

>Ok > Cancel > Cancel  
Search `fail2ban` > Space to select > Enter  
SSH server > switch from Dropbear to the OpenSSH-server  
> Install > Ok  
>Opt out of survey > Ok  
Reboots again

Changing the SSH server will change the SSH keys again. To clear:  
`ssh-keygen -f "/home/[your-linux-username]/.ssh/known_hosts" -R "dietpi.IP"`


## Run the RaspiBlitz build_sdcard.sh script

In the desktop terminal in Linux / MacOS or Putty in Windows:

`ssh root@[IP-OF-DIETPI]`  
password: `dietpi`  
Should end up here on version v6.20.6 or higher: 
![](pictures/bash_prompt.png)

run the build_sdcard.sh script in this format:
`wget https://raw.githubusercontent.com/[GITHUB-USERNAME]/raspiblitz/[BRANCH]/build_sdcard.sh && sudo bash build_sdcard.sh [BRANCH] [GITHUB-USERNAME]`

Be aware of that the fork needs to be called `raspiblitz` for the git download to work.
if you intend to use @openoms`s forked version:

`wget https://raw.githubusercontent.com/openoms/raspiblitz/raspiblitz-dev/build_sdcard.sh && sudo bash build_sdcard.sh raspiblitz-dev openoms`


`ssh admin@[IP-OF-DROIDBLITZ]`  
password: raspiblitz

The setup continues with the [RaspiBlitz Setup Process](https://github.com/rootzoll/raspiblitz/blob/master/README.md#setup-process-detailed-documentation)

---
### Examples of copying the blockchain data from a HDD using a powered USB to SATA adapter

![example setup](pictures/HDD_copy_example.jpg)
![](pictures/adapterHDD_HC1.jpg)

---
### Useful commands for debugging:
To test a new configuration run XXcleanHDD.sh and strictly restart
(this makes _bootstrap.sh and 00mainMenu.sh run in the right order)

`tail -n1000 -f /var/tmp/dietpi/logs/dietpi-automation_custom_script.log` follow startup setup script log  
`lsblk` see the partitions  
`tail -n1000 -f raspiblitz.log` - debug logs of bootstrap.sh  
`sudo tail -f /mnt/hdd/bitcoin/debug.log` - continuous monitoring  
`sudo tail -n100 /mnt/hdd/bitcoin/debug.log` - shows the last 100 lines  
`sudo systemctl status lnd`  
`sudo journalctl -f -u lnd`  
`./home/admin/XXdebugLogs.sh` - debug log collection on the raspiblitz 

---


## Excerpts from the default [dietpi.txt](https://github.com/Fourdee/DietPi/blob/master/dietpi.txt)
to be used for a fully automatic SDcard building process.

### Automate installation with the dietpi.txt
Need to copy to SDcard /boot/dietpi.txt after burning the image with Etcher.
IMPORTANT:
- Modifications to /boot/dietpi.txt will not be preserved on reboot.
- Please ensure you edit from the DietPi-RAMdisk location: /DietPi/dietpi.txt
NB: This is intended for advanced users, unless you know what you are doing, do not edit this file. ease use the DietPi programs instead.
NB: Do not remove uncommented lines, as the items are scraped by DietPi programs, on demand.
DietPi-Automation settings, applied on the 1st boot of DietPi, ONCE
Sample:
https://github.com/Fourdee/DietPi/blob/master/dietpi.txt

### DietPi-Software to automatically install.  
Requires `AUTO_SETUP_AUTOMATED=1  `
For a list of software index's (ID's), run '/DietPi/dietpi/dietpi-software list'  
No limit on number entries, add as many as you need and uncomment the line.  
DietPi will automatically install all pre-reqs (eg: ALSA/XSERVER for desktops etc)  
>install fail2ban  
AUTO_SETUP_INSTALL_SOFTWARE_ID=73  
install OpenSSH Client  
AUTO_SETUP_INSTALL_SOFTWARE_ID=0  
install OpenSSH Server  
AUTO_SETUP_INSTALL_SOFTWARE_ID=105  


### Custom Script (post-networking and post-DietPi install) 
Runs after DietPi installation is completed
Allows you to automatically execute a custom script at the end of DietPi installation.  
Option 1 = Copy your script to /boot/Automation_Custom_Script.sh and it will be executed automatically.  
Option 2 = Host your script online, then use AUTO_SETUP_CUSTOM_SCRIPT_EXEC=http://myweb.com/myscript.sh, it will be downloaded and executed automatically. | 0=disabled  
NB: Executed script log /var/tmp/dietpi/logs/dietpi-automation_custom_script.log

### Guide to clone your SD-cards in Windows, MacOS and Linux and shrink the image in Linux:
https://beebom.com/how-clone-raspberry-pi-sd-card-windows-linux-macos/