The ultimate guide to managing, building, and deploying large-scale clusters with Apache Mesos About This Book * Master the architecture of Mesos and intelligently distribute your task across clusters of machines * Explore a wide range of tools and platforms that Mesos works with * This real-world comprehensive and robust tutorial will help you become an expert Who This Book Is For The book aims to serve DevOps engineers and system administrators who are familiar with the basics of managing a Linux system and its tools What You Will Learn * Understand the Mesos architecture * Manually spin up a Mesos cluster on a distributed infrastructure * Deploy a multi-node Mesos cluster using your favorite DevOps * See the nuts and bolts of scheduling, service discovery, failure handling, security, monitoring, and debugging in an enterprise-grade, production cluster deployment * Use Mesos to deploy big data frameworks, containerized applications, or even custom build your own applications effortlessly In Detail Apache Mesos is open source cluster management software that provides efficient resource isolations and resource sharing distributed applications or frameworks. This book will take you on a journey to enhance your knowledge from amateur to master level, showing you how to improve the efficiency, management, and development of Mesos clusters. The architecture is quite complex and this book will explore the difficulties and complexities of working with Mesos. We begin by introducing Mesos, explaining its architecture and functionality. Next, we provide a comprehensive overview of Mesos features and advanced topics such as high availability, fault tolerance, scaling, and efficiency. Furthermore, you will learn to set up multi-node Mesos clusters on private and public clouds. We will also introduce several Mesos-based scheduling and management frameworks or applications to enable the easy deployment, discovery, load balancing, and failure handling of long-running services. Next, you will find out how a Mesos cluster can be easily set up and monitored using the standard deployment and configuration management tools. This advanced guide will show you how to deploy important big data processing frameworks such as Hadoop, Spark, and Storm on Mesos and big data storage frameworks such as Cassandra, Elasticsearch, and Kafka. Style and approach This advanced guide provides a detailed step-by-step account of deploying a Mesos cluster. It will demystify the concepts behind Mesos.

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Over 60 recipes to help you build, configure, and orchestrate RHEL 7 Server to make your everyday administration experience seamless About This Book * Create fully unattended installations and deploy configurations without breaking a sweat * Discover and kick-start the newest RHEL 7 configuration and management tools through an easy-to-follow, practical approach for a lazy system management * Be guided by an experienced RHEL expert who is a certified Linux engineer with a passion for open source and open standards Who This Book Is For Red Hat Enterprise Linux Server Cookbook is for RHEL 7 system administrators and DevOps in need of a practical reference guide to troubleshoot common issues and quickly perform tasks. What You Will Learn * Set up and configure RHEL 7 Server * Use NetworkManager to configure all aspects of your network * Manage virtual environments using libvirt * Set up software repositories * Secure and monitor your RHEL environment * Configure SELinux, and create and apply its policies * Create kickstart scripts to automatically deploy RHEL 7 systems * Use Orchestration and configuration management tools to manage your environment In Detail Dominating the server market, the Red Hat Enterprise Linux operating system gives you the support you need to modernize your infrastructure and boost your organization's efficiency. Combining both stability and flexibility, RHEL helps you meet the challenges of today and adapt to the demands of tomorrow. This practical Cookbook guide will help you get to grips with RHEL 7 Server and automating its installation. Designed to provide targeted assistance through hands-on recipe guidance, it will introduce you to everything you need to know about KVM guests and deploying multiple standardized RHEL systems effortlessly. Get practical reference advice that will make complex networks setups look like child's play, and dive into in-depth coverage of configuring a RHEL system. Also including full recipe coverage of how to set up, configuring, and troubleshoot SELinux, you'll also discover how secure your operating system, as well as how to monitor it. Style and approach This practical guide is packed full of hands-on recipes that provide quick solutions to the problems faced when building your RHEL 7 system from scratch using orchestration tools. Each topic is explained sequentially in the process of setting up a system and binding everything together.

If you are a Solaris administrator who wants to learn more about administering an Oracle Solaris system and want to go a level higher in utilizing the advanced features of Oracle Solaris, then this book is for you. A working knowledge of Solaris Administration is assumed.

A practical and fast-paced guide that gives you all the information you need to get up and running with Opsview. This book is for anyone interested in using Opsview as a potential monitoring solution or for those who are already running Opsview Core and who would like to improve on their setup by exploring the features of Pro and Enterprise. Some working knowledge of monitoring and Linux is assumed, and it is recommended to have an Opsview system at hand while reading, allowing you to immediately try out the features discussed.

A step-by-step guide to learn how to set up security on Linux servers by taking SELinux policies into your own hands. Linux administrators will enjoy the various SELinux features that this book covers and the approach used to guide the admin into understanding how SELinux works. The book assumes that you have basic knowledge in Linux administration, especially Linux permission and user management.

Das Buch stellt die Windows PowerShell als vielseitiges Werkzeug fur die Administration von Windows Server 2008 R2/2012/2012 R2 vor.Es beschreibt zunachst die Kernkonzepte wie Cmdlets, Pipeline und Objekte und stellt danach die PowerShell in der Praxis vor, wobei typische Einsatzszenarien bei der Windows Server-Administration im Mittelpunkt stehen."

Become a Linux Ninja with Command Line Kung Fu Do you think you have to lock yourself in a basement reading cryptic man pages for months on end in order to have ninja like command line skills? In reality, if you had someone share their most powerful command line tips, tricks, and patterns you'd save yourself a lot of time and frustration. What if you could look over the shoulder of a good friend that just happened to be a command line guru? What if they not only showed you the commands they were using, but why they were using them and exactly how they worked? And what if that friend took the time to write all of it down so you can refer to it whenever you liked? Well, a friend did just that. Command Line Kung Fu is packed with dozens of tips and over 100 practical real-world examples. You won't find theoretical examples in this book. The examples demonstrate how to solve actual problems and accomplish worthwhile goals. The tactics are easy to find, too. Each chapter covers a specific topic and groups related tips and examples together. For example, if you need help extracting text from a file look in the "Text Processing and Manipulation" chapter. Also, a comprehensive index is included. If you want to find every example where a given command is used -- even if it's not the main subject of the tip -- look in the index. It will list every single place in the book where that command appears. Here is just some of what you will learn by reading Command Line Kung Fu How to quickly and easily repeat commands in your shell history Shortcuts for grabbing specific words from your shell history to use in your current command How to save a copy of your command line session for later reference How to strip out blank lines and comments from files How to control colorized text when uses pipes and pagers Ways to transform text: from changing case to substituting characters and more How to extract specific blocks of text from files or streams of input A quick tip to fix common typos How to edit files over the network How to compare the differences between files on your local computer and a remote one How to create and use SSH tunnels Ways to verify what programs are listening on what ports How to kill all the processes for a given user with a single command Strategies for dealing with multi-hop SSH connections How to disconnect from a server in a way that will allow you to pick up where you left off How to automate software installs that require user input Shell scripting tips How to automatically keep repeating a command until it succeeds The right way to delete a file that is being written to How to surf the web from the command line... and more importantly how to download anything from the web and interact with HTTP APIs Ways to determine who and what is using the most disk space How to secure your web browser session when using an open wifi hotspot How to generate random passwords from the command line Two tips for easily creating backups Tips for handling tar archives How to replace a string in multiple files at once with just one command and much more... What you learn in Command Line Kung Fu applies to any Linux distribution including Ubuntu, Debian, Linux Mint, RedHat, Fedora, OpenSUSE, Slackware, and more. Scroll up, click the "Buy Now With 1-Click" button to get your black belt in Linux Command Line Kung Fu.

This book is aimed at Java developers, system administrators, application testers using WildFly, and anyone who performs a DevOps role. Whether you are completely new to WildFly or just require an understanding of WildFly's new features, this book is for you.