How to Build a Web Server Accompanying Scripts

Accompanying Scripts

Some of the scripts that I have used in my books are a little to long to simply type our yourself, this can also leave room for errors in your scripts. So to help resolve this matter I have produced a copy of the scripts here with their corresponding book and book section for you to copy and paste.

How to Build a Home or Office Web Server 2nd Edition:
Chapter 6, Script Add USB View Code

How to Build a Home or Office Web Server 2nd Edition:
Chapter 12, Script Boot VM's View Code

#! /bin/sh
  # vboxcontrol   Startup script for VirtualBox Virtual Machines
  #
  # chkconfig: 345 99 01
  # description: Manages VirtualBox VMs
  # processname: vboxcontrol
  #
  # pidfile: /var/run/vboxcontrol/vboxcontrol.pid
  #
  ### BEGIN INIT INFO
  #
  ### END INIT INFO
  #
  # Version 20120317 by travisn000 based on:
  # Version 20090301 by Kevin Swanson <kswan.info> based on:
  # Version 2008051100 by Jochem Kossen <jochem.kossen@gmail.com>
  # [url]http://farfewertoes.com[/url]
  #
  # Released in the public domain
  #
  
  
  # Source function library.
  if [ -f /etc/init.d/functions ] ; then
  . /etc/init.d/functions
  elif [ -f /etc/rc.d/init.d/functions ] ; then
  . /etc/rc.d/init.d/functions
  else
  exit 1
  fi
  
  ################################################################################
  # INITIAL CONFIGURATION
  VBOXDIR="/etc/virtualbox"
  VM_USER="user"
  USE_NAT="no"
  
  export PATH="${PATH:+$PATH:}/bin:/usr/bin:/usr/sbin:/sbin"
  
  if [ -f $VBOXDIR/config ]; then
  . $VBOXDIR/config
  fi
  
  SU="su $VM_USER -c"
  VBOXMANAGE="VBoxManage -nologo"
  
  ################################################################################
  # FUNCTIONS
  
  # Determine if USE_NAT is set to "yes"
  use_nat() {
  if [ "$USE_NAT" = "yes" ]; then
  return `true`
  else
  return `false`
  fi
  }
  
  log_failure_msg() {
  echo $1
  }
  
  log_action_msg() {
  echo $1
  }
  
  # Check for running machines every few seconds; return when all machines are
  # down
  wait_for_closing_machines() {
  RUNNING_MACHINES=`$SU "$VBOXMANAGE list runningvms" | wc -l`
  if [ $RUNNING_MACHINES != 0 ]; then
  sleep 5
  echo "    ..waiting for VM shut-down to complete.."
  wait_for_closing_machines
  fi
  }
  
  ################################################################################
  # RUN
  case "$1" in
  
  start)
  if [ -f /etc/virtualbox/machines_enabled ]; then
  
  cat /etc/virtualbox/machines_enabled | while read VM; do
  log_action_msg "Starting VM: $VM ..."
  $SU "$VBOXMANAGE startvm "$VM" -type vrdp"
  RETVAL=$?
  done
  touch /var/lock/subsys/vboxcontrol
  fi
  ;;
  
  stop)
  ## NOTE: this stops all running VM's. Not just the ones listed in the config
  ## NOTE2: used controllvm 'savestate' instead of 'acpipowerbutton' to avoid hang 
  ##        with guest OS "..are you sure?" GUI prompts with acpipowerbutton
  $SU "$VBOXMANAGE list runningvms" | cut -d\" -f2 | while read VM; do
  log_action_msg "Saving state and powering off VM: $VM ..."
  $SU "$VBOXMANAGE controlvm "$VM" savestate"
  done
  rm -f /var/lock/subsys/vboxcontrol
  wait_for_closing_machines
  
  ;;
  
  start-vm)
  log_action_msg "Starting VM: $2 ..."
  $SU "$VBOXMANAGE startvm "$2" -type vrdp"
  ;;
  
  stop-vm)
  log_action_msg "Stopping VM: $2 ..."
  $SU "$VBOXMANAGE controlvm "$2" acpipowerbutton"
  ;;
  
  savestate-vm)
  log_action_msg "Saving state and powering off VM: $2 ..."
  $SU "$VBOXMANAGE controlvm "$2" savestate"
  ;;
  
  poweroff-vm)
  log_action_msg "Powering off VM: $2 ..."
  $SU "$VBOXMANAGE controlvm "$2" poweroff"
  ;;
  
  status)
  echo "The following virtual machines are currently running:"
  $SU "$VBOXMANAGE list runningvms" | while read VM; do
  echo -n "$VM ("
  echo -n `$SU "VBoxManage showvminfo ${VM%% *}|grep -m 1 Name:|sed -e 's/^Name:s*//g'"`
  echo ')'
  done
  ;;
  
  *)
  echo "Usage: $0 {start|stop|status|start-vm <VM name>|stop-vm <VM name>|savestate-vm <VM name>|poweroff-vm <VM name>}"
  exit 3
  esac
  
  exit 0

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