Introduction

This chapter will help you learn how to use commands and scripts for many tasks. You will get an idea about writing Bash scripts for monitoring certain tasks. You will learn about hosting files, parsing RSS feeds, and outputing HTML. You will also learn to copy contents from a website, make a simple IRC chat bot logger, block IP addresses, play and manage audio from command line, create a simple NAT firewall with DMZ using iptables, parse GitHub projects, create backups using rsync, monitor device events, the system’s battery life and power events, and use chroot for security.