HouzuoGuo’s gists

HouzuoGuo / gist:c648966928997651ac86cb318efc2d43

Created April 18, 2018 11:55

A basic CloudFormation template for HTTPD running on EC2 in VPC, with EIP.

	{
	"Description": "Bring up an EC2 that runs apache HTTP server",
	"AWSTemplateFormatVersion": "2010-09-09",
	"Parameters": {
	"InstanceType": {
	"Description": "EC2 instance type",
	"Type": "String",
	"Default": "t2.nano"
	},
	"InstanceAMI": {

HouzuoGuo / gist:f8b31ad521af54fe057129f770c7629e

Created August 31, 2018 12:28

Example control file of laitos software package for Debian/Ubuntu

	Source: laitos
	Section: devel
	Priority: optional
	Maintainer: Houzuo (Howard) Guo <[email protected]>
	Build-Depends: debhelper (>= 9), dh-golang, golang-go
	Standards-Version: 3.9.8
	Homepage: https://github.com/HouzuoGuo/laitos
	XS-Go-Import-Path: github.com/HouzuoGuo/laitos

	Package: laitos

HouzuoGuo / gist:07023ea2aa584c13fc4539d29ca2effc

Created August 31, 2018 12:29

Example rules file of laitos software package for Debian

	#!/usr/bin/make -f

	export DH_VERBOSE = 1
	export DH_GOPKG := github.com/HouzuoGuo/laitos

	%:
	dh $@ --buildsystem=golang --with=golang

	override_dh_auto_install:
	dh_auto_install -- --no-source

HouzuoGuo / gist:60f399d6c7770c57618f7179e71f3a28

Created September 6, 2018 09:06

OpenSSL self signed CA certificate one liner

openssl req -x509 -sha512 -nodes -extensions v3_ca -newkey rsa:4096 -keyout ca-cert-and-key.pem -days 7320 -out ca-cert-and-key.pem

HouzuoGuo / gist:9a48c6d28b90a16434ccfbdd9d9e4065

Last active February 9, 2023 19:15

Reinstall SpaceVim

	# Reinstall SpaceVim along with useful bunch of tools that work well together with SpaceVim.
	# This is for Ubuntu 20.04

	sudo apt install -y ctags miscfiles python3-dev python3-pip rsync shellcheck software-properties-common wbritish wbritish-huge ruby ruby-dev nodejs gcc g++ make universal-ctags python3-pygments ripgrep
	sudo select-default-wordlist

	sudo apt-get update
	sudo apt-get install -y --reinstall neovim
	sudo update-alternatives --install /usr/bin/vi vi /usr/bin/nvim 5
	sudo update-alternatives --install /usr/bin/vim vim /usr/bin/nvim 5

HouzuoGuo / gist:03cfccbca604b200ccf2273d9b26a00d

Created September 29, 2018 16:37

Useful MacOS software packages available from homebrew

HouzuoGuo / gist:67f054aac42bc05df2bcc7dbb7bfbfe7

Created November 29, 2018 13:13

Forward HTTP traffic from intermediate Squid proxy to an exit Squid proxy

	Intermediate proxy, the initial receipient of HTTP traffic:

	coredump_dir /var/spool/squid
	pid_filename /var/run/squid-http.pid
	access_log /var/log/squid-http.log
	cache_log /var/log/squid-http.log
	via off
	cache_peer 127.0.0.1 parent 13129 0 default no-query no-digest
	never_direct allow all
	http_access allow all

HouzuoGuo / gist:90cea01dbe2c7b6d7815de243a33e1b2

Last active May 16, 2021 08:48

Arduino UNO R3 serial port example: read input string via serial and print it back

	void setup()
	{
	Serial.begin(1200);
	Serial.setTimeout(1000);
	Serial.println("Microcontroller has started");
	}

	int seqNum = 0;
	String lastRead = "";

HouzuoGuo / gist:5becdf602eab2e7e2b5990659e1dc5f9

Created June 18, 2019 06:23

Squid HTTPS proxy - non-transparent proxy inspects TLS destination server name via SNI

	debug_options ALL,2

	coredump_dir /var/spool/squid
	pid_filename /var/run/squid-https.pid
	access_log /var/log/squid/access.log
	cache_log /var/log/squid/cache.log

	# Avoid interfering with timeout behaviour of TCP client applications
	# The timeout values are 10x their default
	shutdown_lifetime 10 seconds

HouzuoGuo / gist:a5512173a79fce84c3f17d72d8eaaa28

Created September 10, 2019 14:19

I am hguo on keybase.io

	### Keybase proof

	I hereby claim:

	* I am HouzuoGuo on github.
	* I am hguo (https://keybase.io/hguo) on keybase.
	* I have a public key whose fingerprint is 60BD 93B6 F0C4 FCC7 1735 08D4 4132 7BD9 50FA B38C

	To claim this, I am signing this object:

Howard HouzuoGuo