Law Heng Yi B83C

Ecrypt data using aes-256-cbc without salt

$ echo  'this is hello world'  | openssl  aes-256-cbc -a -nosalt -k hello
HEQ/s/mOMof648tJxJvvwtHUTcq2j021RbgvqLA02lY=
-a means encoding the output using base64
-nosalt force openssl do encryption without salt
-k the encryption key

Arch Dev Container Setup

Prerequisites

Linux distro using Systemd with systemd-container package installed.

Install arch boostrap

$ curl -LO https://raw.githubusercontent.com/tokland/arch-bootstrap/master/arch-bootstrap.sh

微信中文解决办法

在微信无法显示中文的情况，可以通过增加字体和设 Lang variable 的方式来解决。

具体看：https://askubuntu.com/questions/1019530/chinese-fonts-are-not-visible-in-programs-installed-in-wine

如果可以显示中文，但是输入框无法显示正在输入的文字或内容，则需要添加 dll 文件来解决。

具体看:https://zhuanlan.zhihu.com/p/76331687

	//DNS Query Program on Linux
	//Author : Silver Moon ([email protected])
	//Dated : 29/4/2009

	//Header Files
	#include<stdio.h> //printf
	#include<string.h> //strlen
	#include<stdlib.h> //malloc
	#include<sys/socket.h> //you know what this is for
	#include<arpa/inet.h> //inet_addr , inet_ntoa , ntohs etc