miguelmota’s gists

miguelmota / instructions.sh

Last active March 2, 2025 03:09

Arch linux monitor folder file access

	pacman -S audit
	sudo systemctl enable --now auditd

	# track folder
	sudo auditctl -w /tmp/custom_folder_to_watch -p r -k custom_test_watch_key

	# view access logs
	sudo ausearch -k custom_test_watch_key

	# list watchers

miguelmota / instructions.sh

Created February 26, 2025 03:56

Arch linux brother scanner packages

miguelmota / install.sh

Created January 30, 2025 06:43

Arch linux annotation tool write on-screen on touchscreen overlay paint

yay -S gromit-mpx

miguelmota / hacker_news_sort.js

Last active January 12, 2025 01:30

Hacker News sort by points

	function extractAndSortPosts() {
	// Get all posts
	const rows = document.querySelectorAll(".athing.submission");
	const posts = [];

	rows.forEach(row => {
	// Extract title
	const titleElement = row.querySelector(".titleline a");
	const title = titleElement ? titleElement.innerText : "No title";

miguelmota / instructions.sh

Last active December 30, 2024 00:56

Arch linux install gnome desktop environment

	sudo pacman -Syu
	sudo pacman -S gdm
	sudo systemctl enable gdm.service

	# disable lightdm if installed
	sudo systemctl disable lightdm.service

	# (optional) remove lightdm
	sudo pacman -Rns lightdm lightdm-gtk-greeter

miguelmota / disable_dropbox_autostart.sh

Created December 30, 2024 00:13

Arch linux gnome disable dropbox autostart disable start on boot

	# edit autostart file
	vim ~/.config/autostart/dropbox.desktop

	# Add or modify
	X-GNOME-Autostart-enabled=false

	# completely remove autostart
	# rm ~/.config/autostart/dropbox.desktop

	# disable service

miguelmota / ethereum_generate_keys.sh

Created December 18, 2024 20:57

Ethereum generate private key, public key, public address using openssl secp256k1 keccak-256sum bash

	ethereum_generate_keys() {
	# Generate the private key and public key
	local key=$(openssl ecparam -name secp256k1 -genkey -noout \| openssl ec -text -noout 2>/dev/null)

	# Extract and clean the public key
	local pub=$(echo "$key" \| grep pub -A 5 \| tail -n +2 \| tr -d '\n[:space:]:' \| sed 's/^04//')

	# Extract and clean the private key
	local priv=$(echo "$key" \| grep priv -A 3 \| tail -n +2 \| tr -d '\n[:space:]:' \| sed 's/^00//' \| sed 's/^priv//')

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

miguel miguelmota