soarez

How to setup your own CA with OpenSSL

For educational reasons I've decided to create my own CA. Here is what I learned.

First things first

Lets get some context first.

Snaipe

Please note that the article is now on my website, and even though I am still working on it, any feedback is appreciated. Thanks for reading !

On the Quest of recoding malloc(3)

Back when I did not know anything about programing and started to learn C, I was first introduced to pointers (and other dreaded horrors that made me curl into a corner and cry) and dynamic memory in general.

I was baffled, troubled, yet fascinated by the basic explanation on how memory worked, and started to dread the time where I would need to manually create my char arrays for each and every sentences of my program; right before learning about string literals and feeling like an idiot.

It was then where I was learning about memory allocation and came upon a function that I would call for long the "magic function" : malloc. Magic, because at that point I didn't know how it worked, let alone knew anything about memory other that it was a "chain of boxes for numbers".

pauloricardomg

#!/bin/bash
set -e #fail on error

function log {
    echo "[`date`] $@"
}

log "Upgrading cassandra. Press <ENTER> to continue.."
read

mmcdaris

usage

go build: compiles the packages named by the import paths, along with their dependencies, the binary does not end up in $GOPATH/bin it gets created in the dirs

go build [-o output] [build flags] [packages]

If the [packages] are a list of .go files, build treats them as a list of source files specifying a single package.

ismasan

// Copyright (c) 2017 Ismael Celis

// 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:

// The above copyright notice and this permission notice shall be included in all

jottr

Readline

GNU readline is a commonly used library for line-editing; it is used for example by Bash, FTP, and many more (see the details of [readline][5] package under "Required By" for more examples). readline is also customizable (see man page for details).

Keyboard Shortcut Description

Ctrl+l Clear the screen

Cursor Movement

brson

A Guide to Rust Syntax

A very brief guide to Rust syntax. It assumes you are already familiar with programming concepts.

This was written in 2014. It is not a good reference for Rust today, though the content is still correct.

cheats.rs looks like a good alternative.

Assert macro

jmoiron

package main

import (
	"fmt"
	"io"
	"net/http"
	"os"
)

func init() {

andreagrandi

package main

import (
	"encoding/json"
	"fmt"
	"net/http"
)

type test_struct struct {
	Test string

christianberg

FROM ubuntu

RUN apt-get update
RUN apt-get install -y socat

VOLUME /foo

CMD socat UNIX-LISTEN:/foo/bar.sock -