Open source og andre operativsystemer

Gain both a firm practical understanding and sufficient theoretical insight into the inner workings of Linux kernel internals, learn to write high-quality kernel module code, understand the complexities of kernel synchronizationPurchase of the print or Kindle book includes a free eBook in PDF format.Key FeaturesDiscover how to write Linux kernel and module code for real-world productsImplement industry-grade techniques in real-world scenarios for fast, efficient memory allocation and data synchronizationUnderstand and exploit kernel architecture, CPU scheduling, and kernel synchronization techniquesBook DescriptionThe 2nd Edition of Linux Kernel Programming is an updated, comprehensive guide for new programmers to the Linux kernel. This book uses the recent 6.1 Long-Term Support (LTS) Linux kernel series, which will be maintained until Dec 2026, and also delves into its many new features. Further, the Civil Infrastructure Project has pledged to maintain and support this 6.1 Super LTS (SLTS) kernel right until August 2033, keeping this book valid for years to come!You'll begin this exciting journey by learning how to build the kernel from source. In a step by step manner, you will then learn how to write your first kernel module by leveraging the kernel's powerful Loadable Kernel Module (LKM) framework. With this foundation, you will delve into key kernel internals topics including Linux kernel architecture, memory management, and CPU (task) scheduling. You'll finish with understanding the deep issues of concurrency, and gain insight into how they can be addressed with various synchronization/locking technologies (e.g., mutexes, spinlocks, atomic/refcount operators, rw-spinlocks and even lock-free technologies such as per-CPU and RCU).By the end of this book, you'll have a much better understanding of the fundamentals of writing the Linux kernel and kernel module code that can straight away be used in real-world projects and products.What you will learnConfigure and build the 6.1 LTS kernel from sourceWrite high-quality modular kernel code (LKM framework) for 6.x kernelsExplore modern Linux kernel architectureGet to grips with key internals details regarding memory management within the kernelUnderstand and work with various dynamic kernel memory alloc/dealloc APIsDiscover key internals aspects regarding CPU scheduling within the kernel, including cgroups v2Gain a deeper understanding of kernel concurrency issuesLearn how to work with key kernel synchronization primitivesWho this book is forThis book is for beginner Linux programmers and developers looking to get started with the Linux kernel, providing a knowledge base to understand required kernel internal topics and overcome frequent and common development issues.A basic understanding of Linux CLI and C programming is assumed.Table of ContentsLinux Kernel Programming - A Quick IntroductionBuilding the 6.x Linux Kernel from Source - Part 1Building the 6.x Linux Kernel from Source - Part 2Writing Your First Kernel Module - Part 1Writing Your First Kernel Module - Part 2Kernel Internals Essentials - Processes and ThreadsMemory Management Internals - EssentialsKernel Memory Allocation for Module Authors - Part 1Kernel Memory Allocation for Module Authors - Part 2The CPU Scheduler - Part 1The CPU Scheduler - Part 2Kernel Synchronization - Part 1Kernel Synchronization - Part 2

Embark on a transformative journey into the nuances of API design and implementation. This comprehensive guide will equip you with the prowess to craft APIs that exemplify excellence, optimize performance, fortify security, and elevate user experience.From grasping the core tenets of REST architecture to navigating diverse frameworks like Node.js with Express, Ruby on Rails, Django, Laravel with PHP, ASP.NET Core with C#, and Spring Boot with Java, this compendium empowers you to create APIs that set new industry benchmarks. In-depth tutorials will empower you to master data serialization, robust authentication protocols, and impervious security measures. This book also delves into the more advanced topics encompassing API governance, meticulous versioning strategies, cross-origin resource sharing (CORS) considerations, real-time capabilities, and microservices communication intricacies. You'll gain insights into vigilant monitoring, astute analytics, and optimization techniques that truly di¿erentiate your APIs. Moreover, this book navigates the ever-evolving legal and privacy landscape confidently, ensuring compliance and upholding user trust, and provides the expertise needed to craft more efficient APIs that stand at the forefront of modern digital innovation. Presenting real-world case studies, comprehensive explanations, and practical illustrations, Mastering REST APIs is your compass to navigate the complex world of web development. What You'll LearnREST architectures and how it shapes modern API development.Effectively develop and build APIs using a diverse set of web development frameworksDive into advanced topics such as API governance, real-time features, microservices communication.Review real-world case studies and hands-on examples, helping you to actively design, implement and optimize APIs.Who This book Is ForExperienced web developers, software engineers, and tech enthusiasts who are looking to supercharge their API development knowledge and take it to the next level

Learn to create web applications in PHP with minimal previous experience. This book is a practical guide to using PHP for web development.Loaded with examples and step-by-step instructions, each chapter is dedicated to a specific area or function. Yoüll first review the main principles of PHP and what is needed to program and develop in it. Yoüll then study variables, data types, control statements, arrays, and functions, all critical for creating efficient PHP programs. The book then moves on to object-oriented programming (OOP) and how to implement those principles in PHP, as well as inheritance, interfaces, testing, error handling, and exceptions. By the end of PHP by Example, you will have the knowledge and confidence to implement PHP for your web projects both large and small.What Yoüll Learn Understand PHP from the ground up Create scripts and implement them in real-world projects Work with a broad toolkit of ready-made exercises and solutions Investigate the main constructions of the PHP

Explore the intricate world of developer experience (DevEx) and its impact on the software development process. This book delves into the critical components of DevEx, such as documentation, tooling, API design, developer support, performance, and reliability, providing actionable insights and strategies to help organizations create development environments that foster productivity, collaboration, and satisfaction among developers.The main topics you'll review include the evolution of software development methodologies, the intersection of user experience (UX) and DevEx, and an in-depth exploration of the critical components of DevEx. You'll also look at practical approaches to improving DevEx, real-world examples of organizations that have successfully transformed their developer experience, and a discussion of DevEx's future trends and challenges. These topics are crucial as the software development landscape has become increasingly complex and competitive.Developer experience is no longer a luxury but a necessity for organizations seeking to attract top talent, drive innovation, and stay ahead in the industry. As the line between UX and DevEx continues to blur, it is imperative to understand how these two aspects are intertwined and how they can synergistically contribute to the success of software projects. Moreover, these topics are particularly relevant now, as remote work and distributed teams become more commonplace, making it even more critical for organizations to provide developers with the resources, tools, and support they need to be successful.Developer Experience Unleashed will inspire you to recognize the critical role of DevEx in the software development process and to adopt best practices that foster a synergistic environment where developers and users can thrive together.

Solid C and C]+ knowledge is a must to fully understand Linux diagnostic artifacts such as core memory dumps and do diagnostic, forensic, and root cause analysis beyond listing backtraces. This full-color reference book is a part of the Accelerated C & C++ for Linux Diagnostics training course organized by Software Diagnostics Services. The text contains slides, brief notes highlighting particular points, and replicated source code fragments that are easy to copy into your favorite IDE. The book's detailed Table of Contents makes the usual Index redundant. We hope this reference is helpful for the following audiences: C and C++ developers who want to deepen their knowledgeSoftware engineers developing and maintaining products on Linux platformsTechnical support, escalation, DevSecOps, cloud and site reliability engineers dealing with complex software issuesQuality assurance engineers who test software on Linux platformsSecurity and vulnerability researchers, reverse engineers, malware and memory forensics analysts

"Linux Security and Administration" is your comprehensive guide to fortifying your Linux environment against potential threats and ensuring smooth system administration. Whether you're a seasoned Linux user or a newcomer, this book provides practical insights, advanced techniques, and proactive strategies to elevate your security posture and streamline administrative tasks.Foundations of Linux Security: Understand the core principles of Linux security, from user management to permissions and encryption.Securing Network Services: Learn to secure essential network services and implement firewalls to protect against unauthorized access.Incident Response and Recovery: Develop incident response plans and recovery strategies to minimize downtime and mitigate the impact of security incidents.Advanced Authentication Methods: Explore multifactor authentication, secure shell (SSH) configurations, and other advanced authentication techniques.System Monitoring and Logging: Implement effective monitoring tools and logging practices to detect and respond to security events promptly.Best Practices in Linux Administration: Streamline administrative tasks, optimize system performance, and ensure a robust and well-maintained Linux environment.¿¿¿¿ Ready to fortify your Linux fortress? Dive into "Linux Security and Administration" to equip yourself with the skills and knowledge needed to safeguard your Linux systems effectively. Whether you're responsible for system administration or simply want to enhance your Linux security awareness, this guide provides actionable insights to protect your digital assets. Secure your Linux journey-start mastering security and administration today! ¿¿¿¿

¿¿¿¿ Introducing the "Kali Linux CLI Boss" Book Bundle: From Novice to Command Line Maestro ¿¿¿¿Are you ready to master the world of cybersecurity and become a true command line expert? Look no further! Dive into the "Kali Linux CLI Boss" book bundle, a comprehensive collection that will take you from a beginner to a seasoned pro in Kali Linux's command line interface.¿¿¿¿ Book 1 - Mastering the Basics ¿¿¿¿ In this first volume, we'll establish a strong foundation. Learn essential commands, navigate the file system with confidence, and manage users and permissions effortlessly. Unravel the mysteries of package management and become a troubleshooting wizard. Master the basics to build your expertise.¿¿¿¿ Book 2 - Advanced Techniques and Tricks ¿¿¿¿ Ready to elevate your skills? Book 2 is all about advanced command line concepts and customization. Manipulate files and directories like a pro, master networking commands, and customize your shell for maximum productivity with shortcuts and tricks. Take your command line game to the next level.¿¿¿¿ Book 3 - Expert-Level Scripting and Automation ¿¿¿¿ Scripting and automation are essential skills for any command line maestro. In this volume, you'll harness the power of Bash and Python to automate complex tasks. From network management to web scraping, and even security automation, become a scripting wizard with Book 3.¿¿¿¿ Book 4 - Navigating the Depths of Penetration Testing ¿¿¿¿ Ready to put your skills to the test? Book 4 dives into the thrilling world of penetration testing. Set up your testing environment, gather crucial information, identify vulnerabilities, execute exploits, and secure systems against threats. Become a master of ethical hacking with this comprehensive guide.Don't miss out on this opportunity to supercharge your command line skills. Grab your copy of the "Kali Linux CLI Boss" book bundle today and embark on a journey that will transform you into a true command line maestro. Your cybersecurity adventure starts here!

"Linux Command Lines and Shell Scripting" is your comprehensive guide to unlocking the full potential of Linux for efficient system administration and task automation. Whether you're a novice or an experienced user, this book provides a deep dive into the command-line interface and scripting, empowering you to harness the true power of Linux for seamless and automated operations.Fundamentals of the Linux Command Line: Explore the basics and advanced features of the Linux command line for effective system navigation and management.Scripting Essentials: Learn the foundations of shell scripting, including variables, loops, conditionals, and functions, to automate repetitive tasks.Advanced Scripting Techniques: Dive into more complex scripting concepts, such as error handling, file manipulation, and process control, to streamline your workflow.Practical Examples: Apply your knowledge with practical examples and real-world scenarios, enhancing your ability to solve everyday challenges.System Administration Tips: Gain insights into Linux system administration tasks, troubleshooting, and optimization for a robust and secure system.Future-Proof Your Skills: Stay ahead in the rapidly evolving tech landscape by mastering Linux, a fundamental skill for IT professionals.¿¿ Ready to elevate your Linux skills and become a command-line maestro? Dive into "Linux Command Lines and Shell Scripting" and empower yourself with the knowledge to efficiently manage Linux systems and automate routine tasks. Whether you're pursuing a career in IT or seeking to enhance your Linux proficiency, this guide provides the expertise you need. Level up your Linux game-start mastering command lines and scripting today! ¿¿

Get to grips with cloud security fundamentals, uncover cloud exploits, and safeguard your organization's network through effective pentesting of AWS, Azure, and GCPKey FeaturesEffortlessly upgrade from Oracle Linux 7 or migrate from CentOSBecome a pro sysadmin by learning new tricks to manage your Oracle Linux serversLearn how to install, configure, administer, and maintain Oracle Linux serversPurchase of the print or Kindle book includes a free PDF eBookBook DescriptionDiscover the power of Oracle Linux 8, the free and enterprise-grade Linux distribution designed for use in any environment, with this recipe-style book.Starting with instructions on how to obtain Oracle Linux for both X86 and ARM-based platforms, this book walks you through various installation methods, from running it as a Windows service to installing it on a Raspberry Pi. It unravels advanced topics such as system upgrades using Leapp for major version transitions and using a PXE server and kickstart files for more advanced installations. The book then delves into swapping kernels to take advantage of Oracle's UEK, exploring boot options, managing software with DNF, and achieving high availability. Detailed recipes involving security topics will assist with tasks such as data encryption, both at rest and in motion.For developers, it offers guidance on building RPM files, using Docker and Podman in a containerized environment, working with AppStreams, and more. For large-scale deployments, the book introduces Oracle Linux Automation Manager for enterprise-level Ansible utilization, from setting up the Ansible server to basic playbook writing. Finally, you'll discover strategies for cloud migration.By the end of this book, you'll possess a comprehensive toolkit that will elevate your skills as a Linux administrator.What you will learnMaster the use of DNF for package management and stream-specific installationsImplement high availability services through Podman and Oracle Linux Automation ManagerSecure your system with Secure Boot and at-rest disk encryption techniquesAchieve rebootless system updates using the Ksplice technologyOptimize large-scale deployments with Oracle Linux Automation Manager and AnsibleGain practical insights into storage management using Btrfs and LVMWho this book is forThis book is for existing Oracle Linux system administrators and CentOS or RHEL admins contemplating a migration to Oracle Linux 8. A foundation of basic sysadmin skills is assumed as this is not an entry-level book; it's a cookbook focused on complex and lesser-known configurations specifically for Oracle Linux 8.Table of ContentsOracle Linux 8 - Get It? Got It? Good!Installing with and without Automation MagicExploring the Various Boot Options and Kernels in Oracle LinuxCreating and Managing Single-Instance FilesystemsSoftware Management with DNFEliminating All the SPOFs! An Exercise in RedundancyOracle Linux 8 - Patching Doesn't Have to Mean RebootingDevOps Automation Tools - Terraform, Ansible, Packer, and MoreKeeping the Data Safe - Securing a SystemRevisiting Modules and AppStreamsLions, Tigers, and Containers - Oh My! Podman and FriendsNavigating Ansible WatersLet's All Go to the Cloud

Unlock the Power of UNIX and Linux System Administration with Our Comprehensive Handbook Bundle!Introducing the "UNIX and Linux System Administration Handbook: Mastering Networking, Security, Cloud, Performance, and DevOps" bundle - your one-stop resource to become a true system administration expert.¿¿¿¿ Book 1: Networking and Security Essentials ¿¿¿¿ Get started on your journey with a deep dive into networking and security essentials. Understand the foundations of system administration, ensuring your systems are not just functional but also secure.¿¿¿¿ Book 2: Cloud Integration and Infrastructure as Code ¿¿¿¿ Step into the future of IT with insights into cloud computing and Infrastructure as Code (IaC). Master the art of managing infrastructure through code, making your systems scalable, agile, and efficient.¿¿¿¿ Book 3: Performance Tuning and Scaling ¿¿¿¿ Optimize your systems for peak performance! Explore the intricate world of performance tuning, ensuring your UNIX and Linux systems operate at their very best.¿¿¿¿ Book 4: DevOps and CI/CD ¿¿¿¿ Embrace the DevOps revolution! Learn to automate, collaborate, and streamline your development processes with Continuous Integration and Continuous Deployment (CI/CD) practices.Why Choose Our Handbook Bundle?¿ Real-World Expertise: Benefit from practical advice and insights from experienced professionals who have navigated the complexities of system administration.¿ Holistic Approach: Understand how networking, security, cloud, performance, and DevOps integrate to create a robust system administration strategy.¿ Stay Ahead: Keep up with the ever-evolving world of IT by mastering the latest technologies and best practices.¿ Practical Guidance: Each book is packed with actionable tips, techniques, and real-world examples to help you excel in your role.Don't miss this opportunity to unlock the full potential of UNIX and Linux system administration. Get the "UNIX and Linux System Administration Handbook: Mastering Networking, Security, Cloud, Performance, and DevOps" bundle today and take your career to new heights!

A pattern language to cover from a small debugging trace to a distributed log with billions of messages from hundreds of computers, thousands of components, threads, and processes.

The CompTIA Linux+ Certification" book - the ultimate guide to mastering Linux system administration in preparation for the CompTIA Linux+ Certification. Whether you're a beginner or an experienced professional, this comprehensive resource is designed to equip you with the knowledge and skills needed to excel in the world of Linux.With its comprehensive coverage, this book delves into essential Linux concepts, commands, and techniques, providing you with a complete reference guide. You'll review how to customize and navigate the shell environment, write powerful scripts, configure user interfaces, perform administrative tasks, configure system services, establish network connections, and secure your system. No stone is left unturned in this in-depth exploration of Linux administration.What sets this book apart is its practical approach. Real-world scenarios and practical applications take center stage, ensuring that you not only understand the theory but also know how to apply it effectively.Troubleshooting common issues becomes second nature as you gain the skills to diagnose and resolve system problems with ease. You'll discover industry best practices and standards, enabling you to optimize systems, implement robust security measures, and adhere to compliance regulations.You Will Learn:¿    Linux operating systems, including installation, configuration, and management of Linux-based servers and systems. ¿    Essential administrative tasks, such as user and group management, file system administration, network configuration, and security implementation.¿    Insights into troubleshooting common Linux issues, enabling readers to diagnose and resolve system problems effectively.¿    Practical techniques for identifying and addressing system errors, performance bottlenecks, network connectivity issues, and other challenges that may arise in a Linux environment.¿    Industry best practices and standards in Linux administration.¿    System optimization, backup and recovery strategies, security practices, and adherence to compliance regulations.

An easy-to-follow guide for newbies and intermediate users to learn Manjaro Linux for everyday tasks with practical examplesKey Features:- Explore Manjaro, from installation to using all its available applications- Learn how to easily protect your privacy online, manage your system, and handle backups- Master key Linux concepts such as file systems, sharing, systemd, and journalctl- Purchase of the print or Kindle book includes a free PDF eBookBook Description:Manjaro Linux, renowned for its smooth installation, user-friendly interface, and robust security features, is an Arch-based fast Linux distro enhanced with multiple graphical environments, GUI modules, and a full application setup, resulting in a top Linux distribution. This book is your guide to unlocking its full potential.Starting with an overview of the different editions and detailed installation instructions, the initial section offers insights into the GUI modules and features of each official edition. You'll then explore the regular software, work with the Terminal, and cover topics such as package management, filesystems, automounts, storage, backups, and encryption. The subsequent chapters will help you get to grips with data sharing, security and networking, firewalls, VPNs, and SSH in depth. Finally, you'll become well-versed in service and user management, troubleshooting, scripting, automation, and kernel switching.The book's modular structure allows you to quickly navigate to the specific information you need, and by its end, you'll have gained an appreciation of what sets Manjaro Linux apart.What You Will Learn:- Gain insights into the full set of Manjaro capabilities- Install Manjaro and easily customize it using a graphical user interface- Explore all types of supported software, including office and gaming applications- Learn basic and advanced Terminal usage with examples- Understand package management, filesystems, network and the Internet- Enhance your security with Firewall setup, VPN, SSH, and encryption- Explore systemd management, journalctl, logs, and user management- Get to grips with scripting, automation, kernel basics, and switchingWho this book is for:While this book is primarily a reference guide for beginners and intermediate users who want to explore Linux via Manjaro's top-notch distribution, it's also a perfect guide for Linux enthusiasts and newbies in search of a stable and secure OS with plenty of flexibility. Whether you're a student, new to Linux, or looking to migrate from Windows/macOS, this book will help you navigate easily. Prior Linux experience will help but is not required to get started with this book.Table of Contents- Introduction to Manjaro and Linux- Editions Overview and Installation- Editions and Flavors- Help, Online Resources, Forums, and Updates- Officially Supported Software Part 1- Officially Supported software Part 2 - 3D Games, and Windows SW- All Basic Terminal Commands - Easy and with Examples- Package Management, Dependencies, Environment Variables, and Licenses- Filesystem Basics, Structure and Types, NTFS, Automount, and RAID- Storage, Mounting, Encryption, and Backups- Network Fundamentals, File Sharing, and SSH- Internet, Network Security, Firewalls, and VPNs- Service Management, System Logs, and User Management- System Cleanup, Troubleshooting, Defragmentation, and Reinstallation- Shell Scripts and Automation- Linux Kernel Basics and Switching

If you use Linux in your day-to-day work, then Linux Pocket Guide is the perfect on-the-job reference. This thoroughly updated 20th anniversary edition explains more than 200 Linux commands, including new commands for file handling, package management, version control, file format conversions, and more. In this concise guide, author Daniel Barrett provides the most useful Linux commands grouped by functionality. Whether you're a novice or an experienced user, this practical book is an ideal reference for the most important Linux commands. You'll learn: Essential concepts--commands, shells, users, and the filesystem File commands-creating, organizing, manipulating, and processing files of all kinds Sysadmin basics-superusers, processes, user management, and software installation Filesystem maintenance-disks, RAID, logical volumes, backups, and more Networking commands-working with hosts, network connections, email, and the web Getting stuff done-everything from math to version control to graphics and audio

With the rapid advancements in satellite technology, earth remote sensing has become an indispensable tool for a wide range of applications, from environmental monitoring to disaster management. However, the vast amount of data generated by these satellites can be overwhelming for many researchers and practitioners who lack the necessary skills and tools to process and analyze it. This is where QGIS comes in. QGIS is a powerful, open-source Geographic Information System (GIS) software that has been extensively used in the field of earth remote sensing. It provides a user-friendly platform for processing, analyzing, and visualizing satellite imagery, enabling users to unlock the full potential of earth remote sensing data. The purpose of this book is to help researchers and practitioners who lack the necessary skills and tools to process and analyze satellite imagery using QGIS.There are several books that cover the use of QGIS for earth remote sensing, but most of them areeither too technical or too general. This book fills this gap by providing a comprehensive and user-friendly guide to using QGIS for earth remote sensing applications. It includes a range of real-world case studies that demonstrate the power and versatility of QGIS for solving complex problems in earth remote sensing. This will provide readers with practical examples of how to use QGIS for earth remote sensing and inspire them to explore new applications and possibilities. The book is intended for GIS professionals, students (undergraduate and graduate), and researchers who are interested in using QGIS for earth remote sensing applications. It will be particularly useful for those who are new to QGIS or who want to expand their knowledge of the software for remote sensing purposes.

Build a solid foundation in DevOps and Linux systems as well as advanced DevOps practices such as configuration, IAC, and CI/CDKey Features:Master Linux basics, the command line, and shell scriptingBecome a DevOps expert by mastering Docker, Git, monitoring, automation, and CI/CDImplement networking, manage services, and leverage Infrastructure as Code (IaC)Purchase of the print or Kindle book includes a free PDF eBookBook Description:The Linux DevOps Handbook is a comprehensive resource that caters to both novice and experienced professionals, ensuring a strong foundation in Linux. This book will help you understand how Linux serves as a cornerstone of DevOps, offering the flexibility, stability, and scalability essential for modern software development and operations.You'll begin by covering Linux distributions, intermediate Linux concepts, and shell scripting to get to grips with automating tasks and streamlining workflows. You'll then progress to mastering essential day-to-day tools for DevOps tasks. As you learn networking in Linux, you'll be equipped with connection establishment and troubleshooting skills. You'll also learn how to use Git for collaboration and efficient code management.The book guides you through Docker concepts for optimizing your DevOps workflows and moves on to advanced DevOps practices, such as monitoring, tracing, and distributed logging. You'll work with Terraform and GitHub to implement continuous integration (CI)/continuous deployment (CD) pipelines and employ Atlantis for automated software delivery. Additionally, you'll identify common DevOps pitfalls and strategies to avoid them.By the end of this book, you'll have built a solid foundation in Linux fundamentals, practical tools, and advanced practices, all contributing to your enhanced Linux skills and successful DevOps implementation.What You Will Learn:Understand how to manage infrastructure using Infrastructure as Code (IaC) tools such as Terraform and AtlantisAutomate repetitive tasks using Ansible and Bash scriptingSet up logging and monitoring solutions to maintain and troubleshoot your infrastructureIdentify and understand how to avoid common DevOps pitfallsAutomate tasks and streamline workflows using Linux and shell scriptingOptimize DevOps workflows using DockerWho this book is for:This book is for DevOps Engineers looking to extend their Linux and DevOps skills as well as System Administrators responsible for managing Linux servers, who want to adopt DevOps practices to streamline their operations.You'll also find this book useful if you want to build your skills and knowledge to work with public cloud technologies, especially AWS, to build and manage scalable and reliable systems.

"Linux for Novices: A Beginner's Guide to Mastering the Linux Operating System" is your comprehensive introduction to the world of Linux, designed to empower beginners with the knowledge and skills to navigate this powerful and versatile operating system with confidence.Inside this beginner-friendly guide, you'll explore:Linux Basics: A clear and concise introduction to the fundamental concepts and terminology of the Linux operating system.Getting Started: Step-by-step guidance on installing and setting up Linux on your computer, laptop, or virtual machine.Linux Distributions: An overview of popular Linux distributions and their unique features, helping you choose the right one for your needs.Command Line Interface (CLI): Practical insights into using the command line interface, including essential commands and their functionalities.File System Navigation: Techniques for navigating the Linux file system, managing files and directories, and understanding file permissions.Software Management: How to install, update, and remove software packages using package managers and repositories.User and Group Management: Strategies for creating and managing user accounts and groups within the Linux environment.System Configuration: Tips for configuring system settings, managing hardware, and customizing the Linux desktop environment.Networking Basics: An introduction to networking concepts and how to set up and manage network connections in Linux.Troubleshooting and Support: Guidance on troubleshooting common issues and finding support within the Linux community."Linux for Novices" is more than just a book; it's your pathway to mastering the Linux operating system and building a strong foundation in open-source computing. Whether you're a student, an IT enthusiast, or simply curious about the world of Linux, this guide provides the tools and knowledge to navigate the Linux environment with ease. Embrace the power of Linux and embark on a journey of discovery and learning today.

Beg-Int user level

Master VMware Workstation to create and run virtual machines, containers, and Kubernetes clusters simultaneously on physical devices without having to reformat or dual boot the underlying device. This book provides a practical, step-by-step guide to creating and managing virtual machines using VMware Workstation, a software solution that provides a type-2 hypervisor, or desktop hypervisor, that runs on x64 Windows and Linux-based operating systems. This book focuses on the Windows version.Yoüll start with an overview of hypervisors and desktop hypervisors. You'll then look at resources, such as CPU, memory, and networking, and how they are configured in a virtual environment. In the final chapters, yoüll learn how to configure Workstation Pro to run and manage virtual machines before going on to build example virtual machines, including how to build a nested vSphere environment. Once built yoüll see how to manage these virtual machines, before finally upgrading your VMware Workstation Pro environment.In the end, yoüll learn how to build and manage different virtual machines running on different operating systems and build an ESXi lab environment with VMware Workstation. What You'll Learn Examine hypervisors and desktop hypervisorsUnderstand how to install and configure VMware WorkstationGain practical knowledge on building and managing virtual machines on different OSsSupport and troubleshoot VMware Workstation environments. Who This Book Is ForDevelopers, IT professionals that remote, home, and BYOD

Tagline: Breaking the C-like language barrier to make device programming easy and fast

Learn the fundamentals of PL/PGSQL, the programming language of PostgreSQL which is most robust Open Source Relational Database. This book provides practical insights into developing database code objects such as functions and procedures, with a focus on effectively handling strings, numbers, and arrays to achieve desired outcomes, and transaction management.The unique approach to handling Triggers in PostgreSQL ensures that both functionality and performance are maintained without compromise. You'll gain proficiency in writing inline/anonymous server-side code within the limitations, along with learning essential debugging and profiling techniques. Additionally, the book delves into statistical analysis of PL/PGSQL code and offers valuable knowledge on managing exceptions while writing code blocks. Finally, you'll explore the installation and configuration of extensions to enhance the performance of stored procedures and functions.What You'll LearnUnderstand the PL/PGSQL conceptsLearn to debug, profile, and optimize PL/PGSQL codeStudy linting PL/PGSQL codeReview transaction management within PL/PGSQL codeWork with developer friendly features like operators, casts, and aggregatorsWho Is This Book ForApp developers, database migration consultants, and database administrators.

Develop expertise in Azure to plan, guide, and lead a streamlined modernization process Key Features:Explore core Azure infrastructure technologies and solutionsAchieve smooth app migration and modernization goals with cloud designMaster Azure architecture and adopt it to scale your business globallyPurchase of the print or Kindle book includes a free PDF eBookBook Description:Azure for Decision Makers provides a comprehensive overview of the latest updates in cloud security, hybrid cloud and multi-cloud solutions, and cloud migration in Azure. This book is a must-have introduction to the Microsoft Azure cloud platform, demonstrating the substantial scope of digital transformation and innovation that can be achieved with Azure's capabilities.The first set of chapters will get you up to speed with Microsoft Azure's evolution before showing you how to integrate it into your existing IT infrastructure. Next, you'll gain practical insights into application migration and modernization, focusing mainly on migration planning, implementation, and best practices. Throughout the book, you'll get the information you need to spearhead a smooth migration and modernization process, detailing Azure infrastructure as a service (IaaS) deployment, infrastructure management, and key application architectures. The concluding chapters will help you to identify and incorporate best practices for cost optimization and management, Azure DevOps, and Azure automation.By the end of this book, you'll have learned how to lead end-to-end Azure operations for your organization and effectively cost-optimize your processes ¿ from the planning and cloud migration stage through to troubleshooting.What You Will Learn:Find out how to optimize business costs with AzureStrategize the migration of applications to the cloud with AzureSmooth out the deployment and running of Azure infrastructure servicesEffectively define roles, responsibilities, and governance frameworks in DevOpsMaximize the utility of Azure security fundamentals and best practicesAdopt best practices to make the most of your Azure deploymentWho this book is for:Azure for Decision Makers is for business and IT decision makers who want to choose the right technology solutions for their businesses and optimize their management processes. It'll help you develop expertise in operating and administering the Azure cloud. This book will also be useful for CIOs and CTOs looking to understand more about how IT can make their business infrastructure more efficient and easier to use, which will reduce friction within their organization. Knowledge of Azure is helpful, but not necessary to get the most out of this guide.

This book will show you how to harness the power of Appsmith, an open-source low-code platform with a large set of integration tools and an active community.The book begins with an introduction to Appsmith and its features. As you explore the platform, you will learn about widgets, UI Canvas, and data stores, among other things. Authors Rahul Sharma and Rajat Arora then show you how to build customizations and navigation workflows, as well as how to handle error handling, debugging, and troubleshooting with Appsmith. You will also learn efficient monitoring and authentication for deploying production-ready systems. Low-Code Development with AppSmith provides examples, realistic scenarios, and explanations of the tools you'll need to build successful low-code apps, helping you gain practical skills.Upon completing this book, you will be able to use Appsmith to build low-code solutions that suit your business requirements. What You Will LearnUnderstand low-code development and the factors driving its adoptionSolve your business's most pressing issues with AppsmithGain an understanding of the key concepts of app development, such as data management, APIs, troubleshooting, and debuggingModel different design patterns for low-code development Who This Book Is ForAnyone interested in designing technical solutions with minimal programming. This book assumes a basic understanding of object-oriented programming and JavaScript.

Ubuntu 23.04 Essentials is intended to provide detailed information on the installation, use, and administration of the Ubuntu distribution. For beginners, the book covers topics such as operating system installation, the basics of the GNOME desktop environment, configuring email and web servers, and installing packages and system updates. Additional installation topics, such as dual booting with Microsoft Windows, are also covered, together with all important security topics, such as configuring a firewall and user and group administration.For the experienced user, topics such as remote desktop access, the Cockpit web interface, logical volume management (LVM), disk partitioning, swap management, KVM virtualization, Secure Shell (SSH), Linux Containers, and file sharing using both Samba and NFS are covered in detail to provide a thorough overview of this enterprise class operating system.

JavaScript is a complicated language with a lot of misinformation surrounding how it works. This book provides a comprehensive introduction to JavaScript, from how it works at a technical level to how it is used to create websites and applications. Everything you need to know to start a career in JavaScript development is covered here.How JavaScript Works begins with a practical introduction of the basics before moving into the technical underpinnings of JavaScript, detailing everything you need to know, including variables, memory storage, functions, classes, types, maps, sets and APIs. Once yoüve fully absorbed these key topics. author Jonathan Simpson will show you how to put them into practice, demonstrating how they are employed for modern web development. Yoüll learn how to use JavaScript with HTML and CSS to construct web pages and applications, how to change CSS with JavaScript, and how to utilize Fetch and asynchronous operations.Uponcompleting this book, you will have the foundational knowledge necessary to continue your journey to becoming a professional JavaScript developer.What You Will Learn:Gain insight into the technical essentials of JavaScript and how it worksLearn advanced concepts and such as memory storage and how classes, functions and objects actually workExplore the basic mathematical underpinnings of JavaScriptUnderstand how JavaScript is used to manipulate HTML and CSSObtain the tools and knowledge needed to start your career in web developmentWho This Book Is For:Anyone interested in a web development career, as well as those who may have already embarked on their careers, but who want to deepen their technical understanding of JavaScript and how it works.