====== PandaBoard and ZoneMinder ======

  - get a PandaBoard
  - install Ubuntu Server on it according to https://wiki.ubuntu.com/ARM/Server/Install/OMAP4
    - download image from http://cdimage.ubuntu.com/releases/precise/release/ubuntu-12.04-preinstalled-server-armhf+omap4.img.gz
    - prepare the card with ''gunzip -c ubuntu-12.04-preinstalled-server-armhf+omap4.img.gz | sudo dd bs=1M of=/dev/mmcblk0'' or similar (take care to use the correct device, or you may delete your own data)
    - connect the board to Internet according to your configuration
  - update/upgrade Ubuntu (''do-release-upgrade - twice or until you get to current LTS version, apt-get update, apt-get upgrade, apt-get dist-upgrade'')
  - rename on card/1st partition ''preEnv.txt'' and ''uEnv.txt'' files as all needed args are in boot.scr file (probably just updating the files also works)
  - remove openssh and install dropbear
  - BACKUP CARD
  - add USB HDD
    - install jfsutils package ''apt install jfsutils''
    - format and mount external USB HDD as JFS/noatime (''/dev/sda1 /mnt/usbhdd jfs rw,noatime 0 1'')
    - change I/O scheduler to 
    - be careful to have enough power on USB, otherwise you may get random freeze
  - forward a well know open port (8888) or other one from your Internet router to pandaboard ssh port (22)
  - enable a simple free dynamic dns account (for example https://freedns.afraid.org/, adding ''wget'' script in pandaboard's cron scripts to execute each 5 minutes)
  - BACKUP YOUR CARD
  - install ZoneMinder
    - Enable Isaac Connor's PPA: ''sudo add-apt-repository ppa:iconnor/zoneminder; sudo apt-get update''
    - Install ZoneMinder following: https://wiki.zoneminder.com/Ubuntu_Server_16.04_64-bit_with_Zoneminder_1.30.4_the_easy_way and http://zoneminder.readthedocs.io/en/stable/installationguide/ubuntu.html#easy-way-ubuntu-16-04
    - Use MariaDB as is faster
    - Follow http://zoneminder.readthedocs.io/en/stable/userguide/gettingstarted.html to create database
    - Add the 3 cameras in mondetect mode
    - Move DB files and ZoneMinder to HDD
  - Recompile packages hoping optimization
    - ffmpeg
    - libjpeg-turbo
    - recompile VFPv3, NEON, Cortex-A9,
    - https://askubuntu.com/questions/81870/how-to-download-modify-build-and-install-a-debian-source-package 
 - Tunen zoneminder (to be checked)
    - change ffmpeg with remote/libjpeg? 
    - Tune /dev/shm either to increase or move to HDD
    - Add 1G SWAP on HDD
  -