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Setup Docker on Amazon Linux 2023

Steps to Install and Setup Docker on Amazon Linux 2023

Install the packages

Install the following packages, which are good to have installed:

sudo dnf install --allowerasing -y dnf-plugins-core \

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#!/bin/bash

awk -F':' '{ for(i=1;i<=NF;i++) print $i }' <<< $PATH

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<?php

// Converts a number into a short version, eg: 1000 -> 1k
// Based on: http://stackoverflow.com/a/4371114
function number_format_short( $n, $precision = 1 ) {
	if ($n < 900) {
		// 0 - 900
		$n_format = number_format($n, $precision);
		$suffix = '';
	} else if ($n < 900000) {

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Regular Event Loop

This shows the execution order given JavaScript's Call Stack, Event Loop, and any asynchronous APIs provided in the JS execution environment (in this example; Web APIs in a Browser environment)

---

Given the code

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/**
 * Modify the parts you need to get it working.
 */

var should = require('should');
var request = require('../node_modules/request');
var io = require('socket.io-client');

var serverUrl = 'http://localhost';

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First of all, please note that token expiration and revoking are two different things.

1. Expiration only happens for web apps, not for native mobile apps, because native apps never expire.
2. Revoking only happens when (1) uses click the logout button on the website or native Apps;(2) users reset their passwords; (3) users revoke their tokens explicitly in the administration panel.

1. How to hadle JWT expiration

A JWT token that never expires is dangerous if the token is stolen then someone can always access the user's data.

Quoted from JWT RFC: