linux.txt

https://speakerdeck.com/62gerente/bash-introduction

command line utils
https://en.wikipedia.org/wiki/Template:Unix_commands
https://en.wikipedia.org/wiki/List_of_Unix_commands

Sudoers
http://ubuntuforums.org/showthread.php?t=1132821

simple ubuntu LAMP
http://www.dev-metal.com/installsetup-basic-lamp-stack-linux-apache-mysql-php-ubuntu-14-04-lts/

bash guide
http://wiki.bash-hackers.org/howto/redirection_tutorial
http://linuxcommand.org/lc3_lts0070.php

bash programming
http://stackoverflow.com/questions/18761209/how-to-make-a-bash-function-which-can-read-from-standard-input
http://stackoverflow.com/questions/15680530/bash-read-stdin-from-file-and-write-stdout-to-file
http://mockingeye.com/blog/2013/01/22/reading-everything-stdin-in-a-bash-script/
http://ryanstutorials.net/bash-scripting-tutorial/bash-input.php#stdin

Info on Bash and programs reading from STDIN
http://unix.stackexchange.com/questions/140522/why-do-some-commands-not-read-from-their-standard-input