kien-ngo’s gists

kien-ngo / ubuntu-server-install-guide.sh

Last active July 14, 2025 12:48

Ubuntu Server installation

	# First, follow the installation steps here: https://chriskalos.notion.site/The-0-Home-Server-Written-Guide-5d5ff30f9bdd4dfbb9ce68f0d914f1f6#21db7c9525b046aaade33d538e197175
	# I will not be following the static-IP section in the post, since I will be using Tailscale instead
	# To run this Gist:
	# curl -sSL https://gist.github.com/kien-ngo/497238acc157ae76c11107ab46c2fd63/raw \| bash

	##### Script execution starts #####

	#Start ssh immediately so you can SSH in from another machine with GUI and web browsers so that you can copy stuff more easily
	sudo systemctl start ssh
	# Start SSH on boot

kien-ngo / hls.sh

Created November 13, 2024 04:40 — forked from stenuto/hls.sh

HLS ffmpeg script

	#!/bin/bash

	# Function to display usage information
	usage() {
	echo "Usage: $0 /path/to/input.mp4 [ /path/to/output_directory ]"
	exit 1
	}

	# Check if at least one argument (input file) is provided
	if [ $# -lt 1 ]; then

kien-ngo / multicall3.ts

Created July 28, 2024 12:51

multicall3 example

	import { client } from "@/components/client";
	import {
	encode,
	getContract,
	prepareContractCall,
	sendAndConfirmTransaction,
	} from "thirdweb";
	import { avalancheFuji } from "thirdweb/chains";
	import { aggregate3 } from "thirdweb/extensions/multicall3";
	import { privateKeyToAccount } from "thirdweb/wallets";

kien-ngo / getOwnedERC1155s.ts

Last active June 11, 2024 16:36

thirdweb custom extension: getOwnedERC1155s

	export type GetERC1155sParams = {
	/**
	* Which tokenId to start at.
	*/
	start?: number;
	/**
	* The number of NFTs to retrieve. Defaults to 100
	*/
	count?: number;
	/**

kien-ngo / getOwnedERC721s.ts

Last active September 3, 2024 02:52

thirdweb custom extension: getOwnedERC721s

	import {
	ADDRESS_ZERO,
	type NFT,
	type BaseTransactionOptions,
	type Hex,
	} from "thirdweb";
	import { getOwnedTokenIds, isERC721 } from "thirdweb/extensions/erc721";

	export type GetERC721sParams = {
	owner: string;

kien-ngo / USDCReceiver_HardCoded.sol

Last active January 6, 2023 00:46

USDC (Polygon) Receiver Contract (Hard-coded version)

	pragma solidity ^0.8.17;

	import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC20/utils/SafeERC20.sol";

	contract USDCPolygonReceiver {
	SafeERC20 public token; // Syntax is wrong here

	// This is the USDC contract address on Polygon, hard-coded
	address public usdcContractAddress = 0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174;

kien-ngo / USDCReceiver.sol

Created January 6, 2023 00:44

USDC (Polygon) Receiver contract

	pragma solidity ^0.8.17;

	import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC20/utils/SafeERC20.sol";

	contract USDCPolygonReceiver {
	SafeERC20 public token; // Syntax is wrong here?!

	// This is the USDC contract address on Polygon, hard-coded
	address public usdcContractAddress = 0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174;

kien-ngo / calculator.cs

Created December 11, 2017 18:28

	using System;
	using System.Collections.Generic;
	using System.ComponentModel;
	using System.Data;
	using System.Drawing;
	using System.Linq;
	using System.Text;
	using System.Threading.Tasks;
	using System.Windows.Forms;

Kien Ngo kien-ngo