curl "https://gist.sh/8313028" | sudo sh

update_all.sh

#!/bin/sh

# RHEL 64bit/32bit
# SUSE 64bit/32bit
# Amazon Linux 64bit/32bit
# Ubuntu 64bit/32bit

info() { echo "INFO: $1"; }
die() { echo "ERROR: $1. Aborting!"; exit 1; }

info "update all packages"

if type yum > /dev/null 2>&1; then
  if ! yum repolist all 2> /dev/null | grep epel > /dev/null 2>&1; then
    info "install EPEL repo"
    ARCH=`uname -i`
    curl -O http://download-i2.fedoraproject.org/pub/epel/6/$ARCH/epel-release-6-8.noarch.rpm
    rpm -ivh epel-release-6-8.noarch.rpm
  fi
  
  yum update -y
fi

if type zypper > /dev/null 2>&1; then
  zypper --non-interactive update
fi

if type apt-get > /dev/null 2>&1; then
  apt-get update -y
fi