网络地址127是一个保留地址，用于网络软件测试以及本地机进程间通信，叫做环回地址（loopback address）。
无论什么程序，一旦使用环回地址发送数据，协议软件立即返回，不进行任何网络传输。
127.0.0.1～127.255.255.254都是环回地址
tag:
- linux
- mysql
- db
- cloud
- erlang
- elixir
- websocket
- chrome
- cs
- bash
- internet
- test
- haskell
- gui
- aws
- ec2
- timezone
- encoding
- apple
- iap
- payment
- web
- clickhouse
- olap
- computer
- algorithm
- ddos
- game
- rails
- telegram
- rfc
- design
- devops
- centos
- go
- postgresql
- redis
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- dns
- docker
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缺失模块。
1、请确保node版本大于6.2
2、在博客根目录（注意不是yilia根目录）执行以下命令：
npm i hexo-generator-json-content --save
3、在根目录_config.yml里添加配置：
jsonContent:
meta: false
pages: false
posts:
title: true
date: true
path: true
text: false
raw: false
content: false
slug: false
updated: false
comments: false
link: false
permalink: false
excerpt: false
categories: false
tags: true