Computing & Internet Software & Graphics Books

Ansible introduction for RHEL8/CentOS8: Ansible Primer for Linux Administrators

This training workbook is a comprehensive introduction to Ansible automation, suitable for CentOS 8.3 and RHEL 8.3.This will give anyone a head start towards the RHCE certification, or indeed those who do not wish to become RHCE certified but would still like to understand the essentials of Ansible deployment and use.The book covers the following topics:- Installing the ansible software packages on RHEL and CentOS- Preparing the ansible control node- configuring ansible clients (SSH, Python, sudo, etc.) and testing access- Ansible inventories of hosts and host groups- running ad-hoc commands - Ansible modules, for example ping, copy, yum, service, command, and others- Creating and running Ansible playbooks, utilising variables, facts and debug.- Using roles, in particular RedHat roles, for example network configuration and time server configuration.- Accessing ansible documents for modules and roles.- Overview of Ansible TowerThe notes also provide guidance for lab environment setup, plus how to obtain a free RHEL8 subscription.All example playbooks are freely downloadable from our Github storage.This book is a forerunner for a complete RHCE training workbook which will e published around May 2021.

Introducing Microsoft Power BI

This is the eBook of the printed book and may not include any media, website access codes, or print supplements that may come packaged with the bound book.   Introducing Microsoft Power BI enables you to evaluate when and how to use Power BI. Get inspired to improve business processes in your company by leveraging the available analytical and collaborative features of this environment.   Be sure to watch for the publication of Alberto Ferrari and Marco Russo's upcoming retail book, Analyzing Data with Power BI and Power Pivot for Excel (ISBN 9781509302765). Go to the book's page at the Microsoft Press Store here for more details:   Learn more about Power BI at

Bash Command Line Pro Tips

If you've ever said to yourself, "There has to be a better way to do this," then read on.As someone that has used the Bash shell almost daily for over 15 years, I've accumulated several command line "tricks" that have saved me time and frustration. Bash Command Line Pro Tips is a collection of 10 techniques that you can put to use right away to increase your efficiency at the command line.Here is what you will learn by reading Bash Command Line Pro Tips:Tip 1: Tab CompletionTip 2: Change to the Previous DirectoryTip 3: Reuse the Last Item from the Previous Command LineTip 4: Rerun a Command That Starts with a given StringTip 5: Command SubstitutionTip 6: Use a for Loop at the Command LineTip 7: Rerun the Previous Command with Root PrivilegesTip 8: Rerun the Previous Command While Substituting a StringTip 9: Reuse a Word on the Same Command LineTip 10: Fix Typos and Shorten Lengthy Commands with AliasesScroll up, click the "Buy Now With 1-Click" button to start leaning these powerful Linux Command Line Tips.

AWS Well-Architected Framework (AWS Whitepaper)

July 2020This document describes the AWS Well-Architected Framework, which enables you to review and improve your cloud-based architectures and better understand the business impact of your design decisions. We address general design principles as well as specific best practices and guidance in five conceptual areas that we define as the pillars of the Well-Architected Framework. This documentation is offered for free here as a Kindle book, or you can read it in PDF format at Visit for an online version.