We now have two methods available to execute jobs: one is a daemon, which forks in the background and stays there working on some, hopefully, important tasks; the other is the schedulers, great for those jobs that must be executed with a recurring pattern. These tools can really help us to keep everything in order, and execute complex and boring tasks by easing the maintenance of a server or even a desktop. But Bash is not only made of commands, scripts, tasks, and services: it is the home we are working in on a daily basis. It is our playground, our workbench, something to get familiar with. So, the next chapter will deal with some utilities, configurations, and advice to make our Bash a cozy place to live our digital life.
Mastering Bash
By :
Mastering Bash
By:
Overview of this book
System administration is an everyday effort that involves a lot of tedious tasks, and devious pits. Knowing your environment is the key to unleashing the most powerful solution that will make your life easy as an administrator, and show you the path to new heights. Bash is your Swiss army knife to set up your working or home environment as you want, when you want.
This book will enable you to customize your system step by step, making your own real, virtual, home out of it. The journey will take you swiftly through the basis of the shell programming in Bash to more interesting and challenging tasks. You will be introduced to one of the most famous open source monitoring systems—Nagios, and write complex programs with it in any languages. You’ll see how to perform checks on your sites and applications.
Moving on, you’ll discover how to write your own daemons so you can create your services and take advantage of inter-process communication to let your scripts talk to each other. So, despite these being everyday tasks, you’ll have a lot of fun on the way. By the end of the book, you will have gained advanced knowledge of Bash that will help you automate routine tasks and manage your systems.
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Current Title:
Mastering Bash
Table of Contents (15 chapters)
Preface
Free Chapter
Let's Start Programming
Operators
Quoting and Escaping
Menus, Arrays, and Functions
Iterations
Plug into the Real World
We Want to Chat
Subshells, Signals, and Job Controls
Lets Make a Process Chat
Living as a Daemon
Remote Connections over SSH
Its Time for a Timer
Customer Reviews