rdroro

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:

rdroro

#!/bin/bash
# set your environment for a specific version of java
# run this script in your terminal via $ . ./script-name.sh

# Initialize the JAVA_HOME variable
export JAVA_HOME=/opt/applications/path_to_decompressed_archive

# Set java binary in your path
export PATH=${PATH}:${JAVA_HOME}/bin

rdroro

#!/bin/bash
# bash generate random alphanumeric string
#

# bash generate random 32 character alphanumeric string (upper and lowercase) and 
NEW_UUID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)

# bash generate random 32 character alphanumeric string (lowercase only)
cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1

rdroro

#!/bin/bash

## Include this file : . ./utils.sh

## Display message ${1} on stdout with [Bootstrap] prefix
function pecho
{
        echo "[Bootstrap] ${1}"
}

rdroro

Setup

Network

Before install

# apt-get update

fail2ban

rdroro

#!/bin/bash
# Version 1.3
# author rdubos

# Personnal echo
function pecho
{
  echo "[Provisioning] ${1}"
}

rdroro

#!/bin/bash

# To start one nodejs process on boot
# Add this script in /etc/init.d
# And run update-rc.d SCRIPT_NAME defaults to add it
# To remove it run update-rc.d -f  SCRIPT_NAME remove

NODE=/opt/node/bin/node
APP_JS=/home/pi/app/server.js
USER=pi