Frederico Martins fscm

How to setup your own CA with OpenSSL

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

Lets get some context first.

A one paragraph description about the container.

These instructions will cover usage information and for the docker container

Instructions on how to install the tree command on macOS from source.

macOS Command Line Tools need to be installed on your local computer.

To install the Command Line Tools run the following command:

Instructions on how to install the tig command on macOS from source.

macOS Command Line Tools need to be installed on your local computer.

To install the Command Line Tools run the following command:

Instructions on how to install OpenJDK on macOS.

First step should be to unsinstall any previous OpenJDK installation. This step can be skipped if no OpenJDK version was previously installed.

To uninstall any previous OpenJDK installations use the following commands:

	#!/bin/sh

	###
	# SOME COMMANDS WILL NOT WORK ON macOS (Sierra or newer)
	# For Sierra or newer, see https://github.com/mathiasbynens/dotfiles/blob/master/.macos
	###

	# Alot of these configs have been taken from the various places
	# on the web, most from here
	# https://github.com/mathiasbynens/dotfiles/blob/5b3c8418ed42d93af2e647dc9d122f25cc034871/.osx

	# Disable menu bar transparency
	defaults write NSGlobalDomain AppleEnableMenuBarTransparency -bool false

	# Show remaining battery time; hide percentage
	defaults write com.apple.menuextra.battery ShowPercent -string "NO"
	defaults write com.apple.menuextra.battery ShowTime -string "YES"

	# Always show scrollbars
	defaults write NSGlobalDomain AppleShowScrollBars -string "Always"

	# extract_pngs.py
	# Extract PNGs from a file and put them in a pngs/ directory
	import sys
	with open(sys.argv[1], "rb") as binary_file:
	binary_file.seek(0, 2) # Seek the end
	num_bytes = binary_file.tell() # Get the file size

	count = 0
	for i in range(num_bytes):
	binary_file.seek(i)

	# Create a folder for our new root structure
	$ export centos_root='/centos_image/rootfs'
	$ mkdir -p $centos_root
	# initialize rpm database
	$ rpm --root $centos_root --initdb
	# download and install the centos-release package, it contains our repository sources
	$ yum reinstall --downloadonly --downloaddir . centos-release
	$ rpm --root $centos_root -ivh centos-release*.rpm
	$ rpm --root $centos_root --import $centos_root/etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
	# install yum without docs and install only the english language files during the process