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SSL certificates CheatSheet

Quick reference for SSL certificate workflow handling for commonly used commercial SSL products

General purpose commands

Generate

• Generate a new private key

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Git Basics

1. Make a directory: mkdir ~/Sites/my_site
2. Change into directory: cd ~/Sites/my_site
3. Create repo from directory: git init
4. Tell git to track file: git add comments.rb
5. Add file to the staging area: git commit -m 'first commit'
6. Open file and add something: vim comments.rb
7. Check status: git status
8. Discard Changes: git checkout

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bash cheatsheet

some stuff I still need to memorize

c-a	move to beginning of line

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Standard JavaScript

This is a TL;DR of the standard and semistandard JavaScript rules. For more detailed explanations, see standard's rules documentation.

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Rails Models

Generating models

$ rails g model User

Associations

belongs_to

has_one

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<ul class="organiser__group organiser__group--sort">
   <%= content_tag(:li, class: ("active" if params[:sort] == "park" || params[:sort] == nil)) do %>
      <%= link_to "By Park", coasters_path(sort_parameters(:park, page: 1)), remote: true %>
   <% end %>

   <%= content_tag(:li, class: ("active" if params[:sort] == "alphabetically")) do %>
      <%= link_to "Alphabetically", coasters_path(sort_parameters(:alphabetically, page: 1)), remote: true %></li>
   <% end %>

   <%= content_tag(:li, class: ("active" if params[:sort] == "order")) do %>

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Install Some Dependencies

apt-get install build-essential bzip2 libpcre3-dev libssl-dev mysql-server daemon libgeoip-dev

Installing Nginx with Naxsi Core

Download Nginx, Naxsi Core dan Naxsi UI. Saya berasumsi tempat download berada di /home/compile

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private_pub / faye on nginx

1 install nginx_tcp_proxy_module

I followed this tutorial by Johnathan Leppert and the instructions from nginx_tcp_proxy_module but changed nginx to use passenger and thin.

2 add the tcp part to nginx.conf:

tcp {

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# to generate your dhparam.pem file, run in the terminal
openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048

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New Server Setup (Reasonably Secure Ubuntu Box)

Basic setup for a new box:

blocks password logins - need to use public key blocks bruteforcing w/ fail2ban ufw/iptables to allow only SSH/HTTP/HTTPS from public weekly auto security updates vi unattended-upgrades basic setup