Michael de Silva bsodmike

Notes on my Arch Linux installation

A minimal table to compare the Espressif's MCU families.

	ESP8266	ESP32	ESP32-S2	ESP32-S3	ESP32-C3	ESP32-C6
Announcement Date	2014, August	2016, September	2019, September	2020, December

Set of scripts to deploy locally, vault and configure TLS server and user certificates for testing TLS AUTH.

credit to @reard3n (https://github.com/reard3n) and @v6 (https://github.com/v6) for the gist this grew from

This was tested using Vagrant and Ubuntu

On the OS of your choice copy VaultCASetup.sh script locally and update any variables that would be specific to your environment and/or

Using perf:

$ perf record -g binary
$ perf script | stackcollapse-perf.pl | rust-unmangle | flamegraph.pl > flame.svg

NOTE: See @GabrielMajeri's comments below about the -g option.

	// Run with target-cpu="native"
	// Commit history at https://git.plobos.xyz/Playground/1brc/src/branch/main/src/main/rust

	use std::{
	fs::File,
	io::BufReader,
	thread,
	};
	use std::collections::HashMap;
	use std::fmt::Display;

	#!/usr/bin/env sh
	# Run this on an air-gapped computer with an encrypted hard drive to set up GPG keys on your yubikey.
	# Derived from https://github.com/drduh/YubiKey-Guide
	# Assumes OS has already been prepared (packages, services, etc) -- see dr duh guide.
	# Does not configure PINs on the yubikey. If no admin pin is provided, the default 12345678 is used.
	#
	# Usage: gpg_add_yubi.sh gpg-backup.tar.gz gpg_passhrase [yubikey_admin_pin]
	########################################################################

	# Safety and portability

	#!/bin/bash

	# customizable
	LIST_DATA="#{window_name} #{pane_title} #{pane_current_path} #{pane_current_command}"
	FZF_COMMAND="fzf-tmux -p --delimiter=: --with-nth 4 --color=hl:2"

	# do not change
	TARGET_SPEC="#{session_name}:#{window_id}:#{pane_id}:"

	# select pane

	use std::str;

	fn main() {
	// -- FROM: vec of chars --
	let src1: Vec<char> = vec!['j','{','"','i','m','m','y','"','}'];
	// to String
	let string1: String = src1.iter().collect::<String>();
	// to str
	let str1: &str = &src1.iter().collect::<String>();
	// to vec of byte

	#!/bin/bash
	for d in /sys/kernel/iommu_groups//devices/; do
	n=${d#/iommu_groups/}; n=${n%%/*}
	printf 'IOMMU Group %s ' "$n"
	lspci -nns "${d##*/}"
	done

	const net = require('net');

	const LISTENING_PORT = 443;
	const HTTPS_PORT = 4443;
	const SSH_PORT = 22;

	var proxySwitch = function(connection) {
	connection.once('data', function(buffer) {
	// A TLS handshake record starts with byte 22.
	if (buffer[0] === 22) {