yerstd

MOVE TO HERE

注意以下命令，需要切换到 root 后运行

安装 docker

首先确定已经安装完成 docker，如果没有安装可以使用以下脚本快速安装并配置：

example: https://medium.com/swlh/build-and-use-go-packages-as-c-libraries-889eb0c19838

https://medium.com/@walkert/fun-building-shared-libraries-in-go-639500a6a669

https://www.darkcoding.net/software/building-shared-libraries-in-go-part-2/

https://karthikkaranth.me/blog/calling-c-code-from-go/

Getting github access on a firewalled system

This approach, based on [0] and [1] lets me reverse-tunnel through the local machine, to get github (and other) access on protected machines, such as HPC compute systems.

I put these lines in my local ~/.ssh/config file

Host somehpcsocks
 ProxyCommand ssh -D 2020 localhost nc -q 1 localhost 22

Nix on macOS Catalina

I'm writing this gist for my own records but it might help someone else too.

Installing Nix

Support for Catalina has improved a lot since the update was first rolled out.

Note: See the NixOS manual for discussion of the --darwin-use-unencrypted-nix-store-volume option.

	#include <iostream>
	#include <stdio.h>
	#include <string.h>
	#include <openssl/rsa.h>
	#include <openssl/pem.h>
	#include <openssl/err.h>

	#define CRYPTO_RSA_KEY_LEN_4096 4096
	#define CRYPTO_RSA_KEY_LEN_2048 2048
	#define CRYPTO_RSA_KEY_LEN_1024 1024

	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