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Advanced Perl Programming - William "bo" Rothwell - Bog - APress - Plusbog.dk

Advanced Perl Programming - William "bo" Rothwell - Bog - APress - Plusbog.dk

William "Bo" Rothwell''s Advanced Perl Programming continues where his previous book left off, more or less, as it guides you through advanced techniques of the Perl programming language starting with command-line options, references, and arrays and hashes from advanced data types. Next, you''ll learn about typeglobs for symbolic entries. Additionally, you''ll see advanced subroutine handling, then packages and namespaces. Furthermore, you''ll build advanced modules and install CPAN modules. Unlike Java and C++, modules have been around in Perl for a long time now. Along the way, you''ll learn and use POD mark up language for Perl documentation. Moreover, you''ll get a survey of the many advanced features and data structures of the current Perl programming language. You''ll also get a survey of the new features of the latest Perl 5.x release. After reading and using this book, you''ll have the tools, techniques, and source code to be an expert Perl programmer. What You Will Learn - Carry out command-line parsing and extract scripts - Create references; return values from a reference; work with the ref Function and strict refs - Work with advanced Perl data types using arrays, hashes, and hash of hashes - Use Typeglobs for symbol table entries - Build modules and install CPAN modules - Write documentation for Perl using POD - Work with the newest features in Perl, including the smartmatch operator, yada yada, automated regex modifiers, the CORE namespace and more Who This Book Is For Those with experience with Perl or who have read Rothwell''s prior books, Beginning Perl Programming and Pro Perl Programming .

DKK 509.00
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Cisco ACI: Zero to Hero - Jan Janovic - Bog - APress - Plusbog.dk

Cisco ACI: Zero to Hero - Jan Janovic - Bog - APress - Plusbog.dk

It doesn’t matter if you are completely new to Cisco ACI or you already have some experience with the technology, this book will guide you through the whole implementation lifecycle and provide you with a comprehensive toolset to become confident in any ACI-related task. In the beginning, it’s very important to build strong fundamental knowledge about Cisco ACI components. We'll go through underlay networking based on Nexus 9000 switches and describe the APIC controller cluster acting as the management plane of ACI. By building Access Policies, you'll see how to optimally connect servers, storage, routers, switches, or L4-L7 service devices to ACI. Then we'll properly design and implement Logical Application Policies. You will understand all the fabric forwarding behavior when using different ACI settings and architectures while getting a toolset on how to verify and troubleshoot eventual problems. This book also covers external L2 and L3 connectivity in ACI,more advanced features like integration with virtualization hypervisors and Kubernetes, service chaining of L4-L7 devices using Service Graphs, or practical approach to using REST API automation based on Python and Ansible/Terraform. Cisco ACI: Zero to Hero can additionally be used as a valuable source of theoretical and practical knowledge for all candidates preparing for CCIE DC v3.0 Written or Lab exams. What You'll LearnUnderstand network evolution and Cisco ACI components Underlay ACI networking based on Nexus 9000 switches, APIC controllers, and Application Policy ModelIntegrate ACI with virtualization hypervisors and KubernetesDynamically and seamlessly include L4-L7 service devices in communication between ACI endpoints Build ACI Anywhere: ACI Multi-Tier, Stretched Fabric, Multi-POD, Multi-Site, and Remote LeafUtilize ACI REST API with Python, related Cobra SDK, Ansible or Terraform, to develop automation and scripts on top of the ACI platformWho This Book Is ForNetwork engineers, architects, network developers, administrators or NOC technicians.

DKK 519.00
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