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## self-signed-certificate-with-custom-ca.md

      
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                fntlnz
                / self-signed-certificate-with-custom-ca.md
            
            
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              April 19, 2024 12:30
            
              
                Self Signed Certificate with Custom Root CA
              
          
    Create Root CA (Done once)

Create Root Key

Attention: this is the key used to sign the certificate requests, anyone holding this can sign certificates on your behalf. So keep it in a safe place!
openssl genrsa -des3 -out rootCA.key 4096

  
## LICENSE
The MIT License (MIT)

Copyright (c) 2015 Francis Batac

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

## sorts.md

      
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                twotwotwo
                / sorts.md
            
            
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              December 9, 2023 08:41
            
              
                Sorting 5x faster with Go: how it's possible, what didn't work so well, and what I learned
              
          
    github.com/twotwotwo/sorts is a Go package with parallel radix- and quicksorts. It can run up to 5x faster than stdlib sort on the right kind of large sort task, so it could be useful for analysis and indexing/database-y work in which you have to sort millions of items. (To be clear, I don't recommend most folks drop stdlib sort, which is great, and which sorts depends on.)
While the process of writing it's fresh on my mind, here are some technical details, some things that didn't make the cut, and some thoughts about the process:
Concretely, what this looks like inside:


Both number and string versions are in-place MSD radix sorts that look at a byte at a time and, once the range being sorted gets down to 128 items, call (essentially) the stdlib's quicksort.


The [parallelization code


## golang-tls.md

      
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                denji
                / golang-tls.md
            
            
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              April 29, 2024 03:39
                — forked from spikebike/client.go
            
              
                Simple Golang HTTPS/TLS Examples
              
          
    Moved to git repository: https://github.com/denji/golang-tls

Generate private key (.key)

# Key considerations for algorithm "RSA" ≥ 2048-bit
openssl genrsa -out server.key 2048

# Key considerations for algorithm "ECDSA" ≥ secp384r1
# List ECDSA the supported curves (openssl ecparam -list_curves)

  
## sshd.go
// A small SSH daemon providing bash sessions
//
// Server:
// cd my/new/dir/
// #generate server keypair
// ssh-keygen -t rsa
// go get -v .
// go run sshd.go
//
// Client:

## install-tmux
# Install tmux on Centos release 6.5

# install deps
yum install gcc kernel-devel make ncurses-devel

# DOWNLOAD SOURCES FOR LIBEVENT AND MAKE AND INSTALL
curl -OL https://github.com/downloads/libevent/libevent/libevent-2.0.21-stable.tar.gz
tar -xvzf libevent-2.0.21-stable.tar.gz
cd libevent-2.0.21-stable
./configure --prefix=/usr/local

## index.html
<html>
<head>
	<title>Points evenly spaced on a circle</title>
	<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
	<style type="text/css">
		.guide{
			stroke:#000;
			fill:none;
			stroke-width:5;
			stroke-dasharray:5, 5;

## gist:74e7635275331d5afa6b

      
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                cridenour
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              August 7, 2023 13:52
            
              
                Setting up Vim as your Go IDE
              
          
    Setting up Vim as your Go IDE


Intro

I've been wanting to do a serious project in Go. One thing holding me back has been a my working environment. As a huge PyCharm user, I was hoping the Go IDE plugin for IntelliJ IDEA would fit my needs. However, it never felt quite right. After a previous experiment a few years ago using Vim, I knew how powerful it could be if I put in the time to make it so. Luckily there are plugins for almost anything you need to do with Go or what you would expect form and IDE. While this is no where near comprehensive, it will get you writing code, building and testing with the power you would expect from Vim.
Getting Started

I'm assuming you're coming with a clean slate. For me this was OSX so I used MacVim. There is nothing in my config files that assumes this is the case.

  
## ssl_puma.sh

# 1) Create your private key (any password will do, we remove it below)

$ cd ~/.ssh
$ openssl genrsa -des3 -out server.orig.key 2048


# 2) Remove the password

$ openssl rsa -in server.orig.key -out server.key

## anonymous
Team behind Go:
  - Ken Thompson
    - Co-Creator of Unix
    - Co-Creator of UTF-8
    - Creator of 'B', the direct predecessor to the 'C' programming language

  - Rob Pike
    - Co-Creator of Unix
    - Co-Creator of UTF-8
    - Co-Authored Practice of Programming and The Unix Programming Environment with Brian Kernighan
	The MIT License (MIT)

	Copyright (c) 2015 Francis Batac

	Permission is hereby granted, free of charge, to any person obtaining a copy
	of this software and associated documentation files (the "Software"), to deal
	in the Software without restriction, including without limitation the rights
	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	copies of the Software, and to permit persons to whom the Software is
	furnished to do so, subject to the following conditions:
	// A small SSH daemon providing bash sessions
	//
	// Server:
	// cd my/new/dir/
	// #generate server keypair
	// ssh-keygen -t rsa
	// go get -v .
	// go run sshd.go
	//
	// Client:
	# Install tmux on Centos release 6.5

	# install deps
	yum install gcc kernel-devel make ncurses-devel

	# DOWNLOAD SOURCES FOR LIBEVENT AND MAKE AND INSTALL
	curl -OL https://github.com/downloads/libevent/libevent/libevent-2.0.21-stable.tar.gz
	tar -xvzf libevent-2.0.21-stable.tar.gz
	cd libevent-2.0.21-stable
	./configure --prefix=/usr/local
	<html>
	<head>
	<title>Points evenly spaced on a circle</title>
	<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
	<style type="text/css">
	.guide{
	stroke:#000;
	fill:none;
	stroke-width:5;
	stroke-dasharray:5, 5;

	# 1) Create your private key (any password will do, we remove it below)

	$ cd ~/.ssh
	$ openssl genrsa -des3 -out server.orig.key 2048


	# 2) Remove the password

	$ openssl rsa -in server.orig.key -out server.key
	Team behind Go:
	- Ken Thompson
	- Co-Creator of Unix
	- Co-Creator of UTF-8
	- Creator of 'B', the direct predecessor to the 'C' programming language

	- Rob Pike
	- Co-Creator of Unix
	- Co-Creator of UTF-8
	- Co-Authored Practice of Programming and The Unix Programming Environment with Brian Kernighan