deffjay

# vim /etc/sysconfig/iptables 
# 
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT

deffjay

# Jeff Day - 2013 
# Sublime plugin that invokes Grunt whenever the user saves a file within the current project.
# call to RSYNC project to remote server via RSync
#
# October 27, 2013 - Updated this to work using Sublime Text 3 (Jeff)
# November 10, 2013 - Now compatible with OSX Mavericks (Jeff)
# January 2, 2014 - Switched over to Grunt (Tom)

import sublime, sublime_plugin
import json, os, subprocess, functools

deffjay

Multiple SSH Keys settings for different github account

create different public key

create different ssh key according the article Mac Set-Up Git

$ ssh-keygen -t rsa -C "your_email@youremail.com"

deffjay

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

deffjay

mysql -h 127.0.0.1 -u root -p"*******" database < applications.sql
mysql -h 127.0.0.1 -u root -p"******" database < publishers.sql

deffjay

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

deffjay

do {
  let jsonEncoder = JSONEncoder()
  jsonEncoder.outputFormatting = .prettyPrinted
  let jsonData = try jsonEncoder.encode(palettes)
  if let jsonString = String(data: jsonData, encoding: .utf8) {
      print(jsonString)
   }
} catch {
  print("error")
}

deffjay

Install the Clockwork library via Composer.

$ composer require itsgoingd/clockwork --dev

If you are running the latest Laravel version, congratulations you are done!

By default, Clockwork will only be available in debug mode, you can change this and other settings in the configuration file. Use the vendor:publish Artisan command to publish the configuration file into your config directory.

deffjay

#!/bin/bash

# Create a new user named morpheus
useradd -m -s /bin/bash morpheus

# Add users to sudo or wheel group
usermod -aG sudo morpheus #Debian/Ubuntu
usermod -aG wheel morpheus #CentOS/RHEL

# Create Home Directory + .ssh Directory

deffjay

ffmpeg

Converting Audio into Different Formats / Sample Rates

Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma

You can get the list of supported formats with:
ffmpeg -formats

Convert WAV to MP3, mix down to mono (use 1 audio channel), set bit rate to 64 kbps and sample rate to 22050 Hz: