acidtib

Rails Active Storage Cheatsheet

• Rails Active Storage Cheatsheet
  • Install Active Storage
  • Usage
    • Model
    • Controller
    • Views (in ERB)
    • Display Image and its variants or Preview (PDF or Video)
• Install this libraries first

acidtib

Deploy a Express.js project on Heroku

Step by step from command line by Michael Hsu

Quick start

Create a Node.js web framework 'express'

$ express myfirstexpress && cd myfirstexpress

Declare dependencies with NPM /package.json

acidtib

Traefik and Portainer on Docker Swarm with Letsencrypt

Reproducing a Traefik with SSL and Portainer setup on a 2 Node Docker Swarm

Install Docker:

Install Docker on both nodes with a Bootstrap Script:

$ curl https://gitlab.com/rbekker87/scripts/raw/master/setup-docker-ubuntu.sh | bash

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Initialize

gitflow	git
git flow init	git init
git commit --allow-empty -m "Initial commit"
git checkout -b develop master

Connect to the remote repository

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Ever wondered how much who adds/removes, its time to find out :D (those are real stats, i just obfuscated the names )

###Results

Git scores (in LOC):
mr-add              :  +482273       -9466
justu               :  +286250       -159905
grosser             :  +152384       -323344

another : +121257 -82116

acidtib

#!/bin/bash
#
# Blog post @ https://blog.kylemanna.com/sharing/gogo-inflight-wireless-with-openvpn/
#

# Bail on errors
set -e

SERVER_IP=$(host myip.opendns.com. resolver1.opendns.com | awk '/has address/ { print $4 }')

acidtib

Deis v1 to v2 cheatsheet

Warning: those are personal not, can't guarantee they are correct!

alias kd="kubectl --namespace=deis"

Table of Contents

acidtib

Install OpenBazaar-Go on Linux Digital Ocean Droplet

First off I'm going to assume you have created a user with sudo permissions, and that you're not running from root. I'm also assuming you have a satisfactory knowledge of the Linux terminal/bash commands.

If you have any trouble, join our OpenBazaar Slack group, and pop into the #openbazaar-ipfs channel.

Step 1: Create the install script

• In your terminal, type: sudo nano install.sh
• Paste in the following script:

acidtib

Fixing npm On Mac OS X for Homebrew Users

Installing node through Homebrew can cause problems with npm for globally installed packages. To fix it quickly, use the solution below. An explanation is also included at the end of this document.

Solution

This solution fixes the error caused by trying to run npm update npm -g. Once you're finished, you also won't need to use sudo to install npm modules globally.

Before you start, make a note of any globally installed npm packages. These instructions will have you remove all of those packages. After you're finished you'll need to re-install them.

acidtib

<?php
// Source: http://goo.gl/aZ1h8v
$file_headers = @get_headers($url);
if ($file_headers[0] == 'HTTP/1.0 404 Not Found'){
	$file_exists = false;
} else {
	$file_exists = true;
}
?>