Khoa Le KhoaTheBest

Amazon changed the install in Linux 2. One no-longer using 'yum' See: https://aws.amazon.com/amazon-linux-2/release-notes/

Docker CE Install

sudo amazon-linux-extras install docker
sudo service docker start
sudo usermod -a -G docker ec2-user

1. Access mysql bypass login

Note: Stop mysql service before exec

- sudo mkdir /var/run/mysqld; sudo chown mysql /var/run/mysqld
- sudo mysqld_safe --skip-grant-tables&
- sudo mysql --user=root mysql
- mysql> update user set authentication_string=PASSWORD('new-password') where user='root';
- mysql> update user set plugin="mysql_native_password" where User='root';
- mysql> flush privileges;

1. Add additional comments or files to last commit

git add missed-file.txt
git commit --amend

2. Change branch name

Rails Rspec APIs Testing Notes

Folders Structure

  spec
  |--- apis #do not put into controllers folder. 
        |--- your_api_test_spec.rb  
  |--- controllers
  |--- models
  |--- factories
 |--- views

Generating Rails API app: $ rails new <app_name> --api -C -T
- --api:
- --C: Skip Action Cable files
- --T: Skip test files

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

Git Cheat Sheet

Visit my blog or connect with me on Twitter

Commands

Getting Started

git init

or

-#!/bin/sh
-#
-# Delete a VPC and its dependencies
-if [ -z "$1" ] then
-    echo "usage: $0 <vpcid>"
-    exit 64
-fi
-vpcid="$1"

	API:
	Type: AWS::ApiGateway::RestApi
	Properties:
	Name:
	Fn::Join:
	- " "
	- - Restorer Plambda
	- Ref: Stage
	Description: Experimental Restorer Play app in Lambda

	# 1. Clear retry set

	Sidekiq::RetrySet.new.clear

	# 2. Clear scheduled jobs

	Sidekiq::ScheduledSet.new.clear

	# 3. Clear 'Processed' and 'Failed' jobs