Configuring an AlmaLinux 9 Postfix Email Server
Along with acting as a web server, email is one of the primary uses of an AlmaLinux 9 system, particularly in business environments. Given the importance and popularity of email, it is surprising to...
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Adding a New Disk Drive to an AlmaLinux 9 System
One of the first problems users and system administrators encounter is that systems need more disk space to store data. Fortunately, disk space is now one of the cheapest IT commodities. In this and...
View ArticleAdding a New Disk to an AlmaLinux Volume Group and Logical Volume
In the previous chapter, we looked at adding a new disk drive to an AlmaLinux 9 system, creating a partition and file system, and then mounting that file system to access the disk. An alternative to...
View ArticleAdding and Managing AlmaLinux 9 Swap Space
An essential part of maintaining the performance of an AlmaLinux 9 system involves ensuring that adequate swap space is available comparable to the memory demands placed on the system. Therefore, this...
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AlmaLinux 9 System and Process Monitoring
An essential part of running and administering an AlmaLinux 9 system involves monitoring the overall system health regarding memory, swap, storage, and processor usage. This includes knowing how to...
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Android Studio Version Catalogs
A newly created Android Studio project will consist of approximately 80 files automatically generated by Android Studio. When you click on the Run button, Android Studio uses a build system called...
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An Android SQLite Database Tutorial
The chapter entitled SQLite Databases in Android Studio covered the basic principles of integrating relational database storage into Android applications using the SQLite database management system....
View ArticleUnderstanding Android Content Providers
The previous chapter worked on creating an example application designed to store data using a SQLite database. When implemented this way, the data is private to the application and, as such,...
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An Android Content Provider Tutorial
As outlined in the previous chapter, content providers provide a mechanism through which the data stored by one Android application can be made accessible to other applications. Having provided a...
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An Android Content Provider Client Tutorial
In this final chapter devoted to Content Providers, we will build an app that accesses the data contained in our SQLDemo content provider and displays the list of customer contacts. Creating the...
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Kotlin Control Flow Quiz
Welcome to the Kotlin Control Flow Quiz! This quiz will test your understanding of Kotlin’s control flow mechanisms, which are essential for writing effective and efficient code. You’ll explore...
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Kotlin Operators and Expressions Quiz
Welcome to the Kotlin Operators and Expressions Quiz! This quiz will test your knowledge of Kotlin’s operators, expressions, and their practical use in programming. From basic assignment and...
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Kotlin Data Types and Variables Quiz
Welcome to the Kotlin Data Types and Variables Quiz! This quiz will test your knowledge of Kotlin’s data types and their practical use in programming. 1. Which operator is used to safely access...
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Android Architecture Quiz
Welcome to the Android Architecture Quiz 1. What is the base layer of the Android software stack? Hardware Abstraction Layer Android Runtime Linux Kernel Application Framework None 2. What role does...
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Android Studio Code Editor Quiz
The following set of multiple-choice questions focuses on the key features and functionalities of the Android Studio code editor. Designed to help reinforce your understanding of how to effectively...
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Android Device Testing Quiz
This quiz is designed to test your knowledge of testing Android applications on physical devices using the Android Debug Bridge (ADB). It covers essential concepts like ADB setup, enabling USB...
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Android Studio Tour Quiz
This quiz is designed to test your understanding of the Android Studio user interface, including its key components and functionalities. It covers elements such as the welcome screen, main window...
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AVD Configuration Quiz
This quiz tests your understanding of using and configuring the Android Studio AVD emulator. It covers key features such as the emulator environment, toolbar options, extended controls, and various...
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AVD Creation Quiz
This quiz tests your understanding of creating and configuring Android Virtual Devices (AVDs) in Android Studio. It covers key concepts such as the purpose of AVDs, how to set them up using the Device...
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Compose Project Quiz
Welcome to the Compose Project Overview Quiz! This quiz will test your understanding of the key concepts and steps involved in setting up and creating a basic Jetpack Compose project using Android...
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