Rafael A. G. Pereira rafaelagp

Create Root CA (Done once)

Create Root Key

Attention: this is the key used to sign the certificate requests, anyone holding this can sign certificates on your behalf. So keep it in a safe place!

openssl genrsa -des3 -out rootCA.key 4096

For my reference in the future I will record here the steps that I had to follow in order to install Openwrt on the tp-link router EX220. This was done using a Windows 11 machine.

Disclaimer: Use this tutorial at your own risk. We are not responsible for any damage/harms done to your device using the information from this tutorial.

Steps to install OpenWRT on EX220 router

OEM installation using the serial + TFTP method

These are the steps provided at the official https://openwrt.org/toh/tp-link/ex220_v1 page:

	# initialize from the image

	FROM debian:9

	RUN apt-get update && \
	apt-get upgrade -y && \
	apt-get install -y build-essential git wget pkg-config lxc-dev libzmq3-dev \
	libgflags-dev libsnappy-dev zlib1g-dev libbz2-dev \
	liblz4-dev graphviz && \
	apt-get clean

	{
	"coin_name": "Bitcoin",
	"coin_shortcut": "BTC",
	"coin_label": "Bitcoin",
	"rpc_url": "http://somehost:8332",
	"rpc_user": "someuser",
	"rpc_pass": "somepassword",
	"rpc_timeout": 25,
	"parse": true,
	"message_queue_binding": "tcp://somehost:zmqpubrawblockport",

	version: "3"
	services:
	blockbook:
	container_name: blockbook
	restart: always
	build: .
	entrypoint:
	- /go/src/blockbook/blockbook
	- -sync
	- -blockchaincfg=/home/blockbook/cfg/cfg.json

	/**
	* Wraps an [onClick] lambda with another one that supports debouncing. The default deboucing time
	* is 1000ms.
	*
	* @return debounced onClick
	*/
	@Composable
	inline fun debounced(crossinline onClick: () -> Unit, debounceTime: Long = 1000L): () -> Unit {
	var lastTimeClicked by remember { mutableStateOf(0L) }
	val onClickLambda: () -> Unit = {