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1. |
Record Nr. |
UNISA996383673203316 |
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Autore |
Record Robert <1510?-1558.> |
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Titolo |
The castle of knowledge [[electronic resource]] |
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Pubbl/distr/stampa |
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[Imprinted at London, : By Reginalde Wolfe, anno Domini, 1556] |
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Descrizione fisica |
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[16], 286, [2] p. : ill. (woodcuts) |
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Soggetti |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Dedication signed: Robert Record physicion. |
Reproduction of the original in the Henry E. Huntington Library and Art Gallery. |
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2. |
Record Nr. |
UNINA9910798073703321 |
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Autore |
Shah Gourav |
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Titolo |
Ansible playbook essentials : design automation blueprints using Ansible's playbooks to orchestrate and manage your multitier infrastructure / / Gourav Shah |
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Pubbl/distr/stampa |
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Birmingham, England : , : Packt Publishing, , 2015 |
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©2015 |
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ISBN |
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Edizione |
[1st edition] |
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Descrizione fisica |
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1 online resource (168 p.) |
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Collana |
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Community Experience Distilled |
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Disciplina |
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Soggetti |
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Software configuration management |
Open source software |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Cover; Copyright; Credits; About the Author; Acknowledgments; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Setting Up the Learning Environment; Chapter 1: Blueprinting Your Infrastructure; Getting introduced to Ansible; Plays; YAML - the playbook language; Our first playbook; Creating a host inventory; Patterns; Tasks; Modules; Running the playbook; Review questions; Summary; Chapter 2: Going Modular with Ansible Roles; Understanding roles; Naming roles; The directory layout for roles; Creating a site-wide playbook, nesting, and using include statements |
Creating the www playbookThe default and custom role paths; Parameterizing the roles; Creating a base role; Refactoring our code - creating a base role; Creating an Nginx role; Adding role dependencies; Managing files for Nginx; Automating events and actions with handlers; Adding pre-tasks and post-tasks to playbooks; Running playbooks with roles; Review questions; Summary; Chapter 3: Separating Code and Data - Variables, Facts, and Templates; Static content explosion; Separating code and data; Jinja2 templates; The template formation; Facts and variables; Automatic variables - facts |
User-defined variablesWhere to define a variable; How to define a variable; Templating the Nginx configurations; Adding another layer - the MySQL role; Creating the scaffolding for the roles with Ansible- |
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Galaxy; Adding metadata to the role; Using variables in tasks and handlers; Creating variables; Creating tasks; Using variables in playbooks; Applying a MySQL role to the DB servers; Variable precedence; The best practices for variable usage; Review questions; Summary; Chapter 4: Bringing In Your Code - Custom Commands and Scripts; The command modules; Using the raw module |
Using the command moduleUsing the shell module; Using the script module; Deploying a WordPress application - a hands-on approach; Installing WordPress; Controlling the idempotence of command modules; The registered variables; Extracting WordPress with a shell module; Configuring WordPress; Review questions; Summary; Chapter 5: Controlling Execution Flow - Conditionals; The conditional control structure; The when statements; Fact-based selection; Refactoring the MySQL role; Multilevel variable dictionaries; Merging hashes; Configuring the MySQL server selectively |
Conditional control structure in Jinja2 templatesUpdating the MySQL template; Running a task only once; Executing roles conditionally; Review questions; Summary; Chapter 6: Iterative Control Structures - Loops; The omnipotent with statement; Configuring WordPress requisites; The PHP5-FPM role; Defining an array; Looping an array; Creating MySQL databases and user accounts; Creating a hash; Nested hashes; Iterating a hash; Creating Nginx virtual hosts; Defining the PHP site information; Review questions; Summary; Chapter 7: Node Discovery and Clustering; Node discovery with magic variables |
Creating the load balancer role |
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Sommario/riassunto |
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If you are a systems or automation engineer who intends to automate common infrastructure tasks, deploy applications, and use orchestration to configure systems in a coordinated manner, then this book is for you. Some understanding of the Linux/Unix command-line interface is expected. |
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