Tabla de Contenidos: “…grep: Searches for a pattern in files -- gzip: Compresses or decompresses files -- head: Displays the beginning of a file -- kill: Terminates a process by PID -- killall: Terminates a process by name -- less: Displays text files, one screen at a time -- ln: Makes a link to a file -- lpr: Sends files to printers -- ls: Displays information about one or more files -- make: Keeps a set of programs current -- man: Displays documentation for commands -- mkdir: Creates a directory -- mkfs: Creates a filesystem on a device -- Mtools: Uses DOS-style commands on files and directories -- mv: Renames or moves a file -- nice: Changes the priority of a command -- nohup: Runs a command that keeps running after you log out -- od: Dumps the contents of a file -- paste: Joins corresponding lines from files -- pr: Paginates files for printing -- ps: Displays process status -- rcp: Copies one or more files to or from a remote system -- rlogin: Logs in on a remote system -- rm: Removes a file (deletes a link) -- rmdir: Removes a directory -- rsh: Executes commands on a remote system -- scp: Securely copies one or more files to or from a remote system -- sleep: Creates a process that sleeps for a specified interval -- sort: Sorts and/or merges files -- split: Divides a file in into sections -- ssh: Securely executes commands on a remote system -- strings: Displays strings of printable characters -- stty: Displays or sets terminal parameters -- tail: Displays the last part (tail) of a file -- tar: Stores or retrieves files to/from an archive file -- tee: Copies standard input to standard output and one or more files -- telnet: Connects to a remote system over a network -- test: Evaluates an expression -- top: Dynamically displays process status -- touch: Changes a file's access and/or modification time -- tr: Replaces specified characters…”

Tabla de Contenidos: “…Use the checks-effects-interactions pattern -- DoS with block gas limit -- Handling errors in external calls -- Best practices in smart contracts -- Writing upgradable smart contracts -- Economic consideration of smart contract execution -- Types of smart contract -- Putting it all together - rental property leasing -- Summary -- Chapter 7: Web3 API Fundamentals -- Technical requirements -- Introducing Web 3.0 -- Setting up an Ethereum environment -- Installing Geth -- Setting up a private Ethereum network -- Generating and configuring the genesis file -- Initializing the chain instance -- Starting a Geth node -- Connecting to Ethereum networks -- Learning the fundamentals of web3.js - the Ethereum JavaScript API -- web3.js project setup -- web3.js Account -- web3.js ABI -- Web3 providers -- Setting up the Ethereum testnet environment -- The web3.js Transaction API -- Getting started with web3.py -- Prerequisites -- Introducing Web3j - Web3 Java Ethereum DApp API -- Setting up a simple Spring Boot application -- Checking the balances of Ethereum accounts -- solc and the Web3j CLI -- Deploying smart contracts using Web3j -- Transacting with a smart contract -- Querying the state of a smart contract -- Summary -- Chapter 8: Developing Your Own Cryptocurrency -- Technical requirements -- Understanding token standards -- ERC-1155 -- Batch transfers -- Batch balance -- Batch approval -- ERC-1155's TokenReceiver -- Setting up an Ethereum development environment -- Working with Truffle -- Creating an ERC-20 token - MyERC20Token -- Creating basic token information -- Defining and implementing the ERC-20 interface -- Assigning an admin role -- Working with the whitelist function -- Locking and unlocking an account -- The mint and burn tokens -- Creating an ERC-721 token - DigitalArtERC721Token -- Designing the decentralized digital art marketplace…”

Tabla de Contenidos: “…. -- There's more... -- Converting DOS text to Linux text and vice versa -- Getting ready -- How to do it... -- How it works... -- There's more... -- Using cut -- Getting ready -- How to do it... -- How it works... -- There's more... -- Using egrep -- Getting ready -- How to do it... -- How it works... -- There's more... -- Using sed -- Getting ready -- How to do it... -- How it works... -- There's more... -- Chapter 9: An Introduction to Shell Scripting -- Technical requirements -- Writing your first Bash shell script -- Getting ready -- How to do it... -- How it works... -- Serializing basic commands - from simple to complex -- Getting ready -- How to do it... -- How it works... -- There's more... -- Manipulating shell script input, output, and errors -- Getting ready -- How to do it... -- How it works... -- Shell script hygiene -- Getting ready -- How to do it... -- There's more... -- Chapter 10: Using Loops -- The for loop -- Getting ready -- How to do it... -- How it works... -- See also -- break and continue -- Getting ready -- How to do it... -- How it works... -- See also -- The while loop -- Getting ready -- How to do it... -- How it works... -- See also -- The test-if loop -- Getting ready -- How to do it... -- How it works... -- See also -- The case loop -- Getting ready -- How to do it... -- How it works... -- See also -- Logical looping with and, or, and not -- Getting ready -- How to do it... -- How it works... -- See also -- Chapter 11: Working with Variables -- Technical requirements -- Using shell variables -- Getting ready -- How to do it... -- How it works... -- See also -- Using variables in shell scripting -- Getting ready -- How to do it... -- How it works... -- See also -- Quoting in the shell -- Getting ready -- How to do it... -- How it works... -- See also…”

Tabla de Contenidos: “…-- Cybersecurity Means Different Things to Different Folks -- Cybersecurity Is a Constantly Moving Target -- Technological changes -- Digital data -- The Internet -- Cryptocurrency -- Mobile workforces and ubiquitous access -- Smart devices -- Big data -- The COVID-19 pandemic -- Social shifts -- Economic model shifts -- Political shifts -- Data collection -- Election interference -- Hacktivism -- Greater freedom -- Sanctions -- New balances of power -- Looking at the Risks Cybersecurity Mitigates -- The goal of cybersecurity: The CIA Triad -- From a human perspective -- Chapter 2 Getting to Know Common Cyberattacks -- Attacks That Inflict Damage -- Denial-of-service (DoS) attacks -- Distributed denial-of-service (DDoS) attacks -- Botnets and zombies -- Data destruction attacks -- Is That Really You? …”

Tabla de Contenidos: “…12.13 The Predefined Macros in ANSI and Turbo-C -- 12.14 Standard I/O Predefined Streams in stdio.h -- 12.15 The Predefined Marcos in ctype.h -- 12.16 Assertions -- Summary -- Exercises -- 13 Structure and Union -- 13.1 Introduction -- 13.2 Features of Structures -- 13.3 Declaration and Initialization of Structures -- 13.4 Structure within Structure -- 13.5 Array of Structures -- 13.6 Pointer to Structure -- 13.7 Structure and Functions -- 13.8 typedef -- 13.9 Bit Fields -- 13.10 Enumerated Data Type -- 13.11 Union -- 13.12 Calling BIOS and DOS Services -- 13.13 Union of Structures -- Summary -- Exercises -- 14 Files -- 14.1 Introduction of a File -- 14.2 Definition of File -- 14.3 Streams and File Types -- 14.3.1 File Types -- 14.4 Steps for File Operations -- 14.4.1 Opening of File -- 14.4.2 Reading a File -- 14.4.3 Closing a File -- 14.4.4 Text Modes -- 14.4.5 Binary Modes -- 14.5 File I/O -- 14.6 Structures Read and Write -- 14.7 Other File Function -- 14.8 Searching Errors in Reading/Writing Files -- 14.9 Low-Level Disk I/O -- 14.10 Command Line Arguments -- 14.11 Application of Command Line Arguments -- 14.12 Environment Variables -- 14.13 I/O Redirection -- Summary -- Exercises -- 15 Graphics -- 15.1 Introduction -- 15.2 Initialization of Graphics -- 15.3 Few Graphics Functions -- 15.4 Programs Using Library Functions -- 15.4.1 Program on Moving Moon -- 15.5 Working with Text -- 15.5.1 Stylish Lines -- 15.6 Filling Patterns with Different Colours and Styles -- 15.7 Mouse Programming -- 15.8 Drawing Non-common Figures -- Summary -- Exercises -- 16 Dynamic Memory Allocation and Linked List -- 16.1 Dynamic Memory Allocation -- 16.2 Memory Models -- 16.3 Memory Allocation Functions -- 16.4 List -- 16.5 Traversal of a List -- 16.6 Searching and Retrieving an Element -- 16.7 Predecessor and Successor -- 16.8 Insertion -- 16.9 Linked Lists…”

Tabla de Contenidos: “…No, a MOM (aka Microsoft Org Master)! -- Dos and don'ts -- Summary and key takeaways -- Takeaway #1 - start small, with high relevance -- Takeaway #2 - business stakeholders are part of the solution -- Takeaway #3 - be a Chief Orchestration Officer -- Chapter 10: Data Mesh and Data Governance -- Taking a look at a typical enterprise-"Data Mess" -- From "Data Mess" to Data Mesh - how? …”

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“…Las tres partes ven la acción divina sobre la creación, dirigida por los dos principios de Karl Rahner: la amorosa "autocomunicación de Dios" y la "potenciación de las creaturas" para "autosuperarse". …”

“…Con Friedrich Nietzsche y su frase «Dios ha muerto» se resumía uno de los cambios espirituales más importantes acaecidos en el mundo occidental en los dos últimos siglos. Pero, en contraposición, otros dioses, como Bhagwan o los de la astrología se importaban de otras culturas. …”