# SUDO

Linux systems are everywhere today, even in companies once considered "pure Windows." If you're a sysadmin, network administrator, or developer in a small Windows shop, you may have to jump in and fix a system problem when your site goes down. What if you have no Linux knowledge? This short guide provides tips to help you survive. ...

Take pictures and shoot video with your Raspberry Pi. Connecting a High Quality Camera or Camera Module turns your favourite credit-card-sized computer into a powerful digital camera. Learn how to set up and control the camera to capture stills and video footage. Discover the numerous modes and effects available, and use the camera in a variety of ...

The Raspberry Pi is loved the world over by educators and makers thanks to its tiny size and endless possibilities. Find out why it's loved and how to use it with the latest official Projects Book - we've managed to stuff the fifth edition with another 200 pages of inspiring projects, practical tutorials, and definitive reviews. - Lear...

PostgreSQL for Beginners book is intended for those who only start getting acquainted with the world of PostgreSQL. It contains some basic information about this DBMS and its main features, history of its creation and development roadmap, step-by-step installation instructions and a getting started guide....

This book highlights practical sysadmin skills, common architectures that you'll encounter, and best practices that apply to automating and running systems at any scale, from one laptop or server to 1,000 or more. It is intended to help orient you within the discipline, and hopefully encourages you to learn more about system administration....

The Linux Notes for Professionals book is compiled from Stack Overflow Documentation, the content is written by the beautiful people at Stack Overflow....

The MongoDB Notes for Professionals book is compiled from Stack Overflow Documentation, the content is written by the beautiful people at Stack Overflow....

If you've toyed with Linux and never really caught on to what's happening or have used a graphical interface without really touching the command line this book is for you. The idea is to get you started on the process of using some of the commands available in Linux so that you: Feel comfortable running commands; You understand a littl...

The React Native Notes for Professionals book is compiled from Stack Overflow Documentation, the content is written by the beautiful people at Stack Overflow....

This book is aimed at readers who are interested in software development but have very little to no prior experience. The book focuses on teaching the core principles around software development. It uses several technologies to this goal (e.g. C, Python, JavaScript, HTML, etc.) but is not a book about the technologies themselves. The reader will le...

React Native is an open-source mobile application framework created by Facebook. It is an unofficial and free React Native ebook created for educational purposes. All the content is extracted from Stack Overflow Documentation, which is written by many hardworking individuals at Stack Overflow....

Data in the world started to grow tremendously after mobile application came in the market. This huge amount of data became almost impossible to handle with traditional relational database - SQL. NoSQL databases are introduced to handle those data where much more flexibility came like variable number of columns for each data. MongoDB is one of the ...

Vim is a console-based multi-mode (modal) text editor. It is widely used and available by default on all Unix, Linux, and Apple OS X systems. Vim has a large active community and a wide user base. The editor supports all popular programming languages, and many plugins are available to extend its features. It is an unofficial and free Vim book cr...

Alongside its popular web server, NGINX provides a dynamic application server that supports configuration through a RESTful JSON API. The open source NGINX Unit server deploys configuration changes without service disruptions and runs apps built with multiple languages and frameworks. This updated cookbook shows developers, DevOps personnel, networ...

This book is designed to introduce you to using Ansible to manage your servers. You'll learn how to install and configure Ansible on a control node, and then how to use it to configure and run commands on remote servers. You'll also learn how to collect tasks into complete Playbooks to automate server setup from start to finish. The to...

This ebook provides step-by-step instructions on replacing Cisco ACE with Nginx and off-the-shelf servers. Nginx helps you cut costs and modernize. Cisco entered the hardware load balancer market with an add-on "Application Control Engine" (ACE) module for its Catalyst 6500-series switches, the Cisco ACE30. Soon after they released the...

The Linux Commands Handbook follows the 80/20 rule: learn in 20% of the time the 80% of a topic. The author find this approach gives a well-rounded overview. This book does not try to cover everything under the sun related to Linux and its commands. It focuses on the small core commands that you will use the 80% or 90% of the time, trying to sim...

The command line is a text interface for your computer. It's a program that takes in commands, which it passes on to the computer's operating system to run. Linux command line for you and me is a open book for newcomers to command line environment....

In this eBook, we tell you how to take an existing NGINX Open Source or F5 NGINX Plus configuration and extend it to manage API traffic as well. When you use NGINX for API management, you tap into the high performance, reliability, robust community support, and expert professional support (for NGINX Plus customers) that NGINX is famous for. With...

The Apache HTTP Server, colloquially called Apache, is the world's most used web server software. Originally based on the NCSA HTTPd server, development of Apache began in early 1995 after work on the NCSA code stalled. Apache played a key role in the initial growth of the World Wide Web, quickly overtaking NCSA HTTPd as the dominant HTTP serv...

Discover how to set up Raspberry Pi to play classic games in the brand new version of our retro gaming guide. In this 164-page book, you'll learn how to build a portable games machine, assemble a full-sized arcade cabinet, and emulate classic computers and consoles. Our step-by-step guides make each build easy! Plus you'll even learn to p...

Power up your TV and music system with Raspberry Pi: build the ultimate media centre, smart music system, and create a home server. - Inside Build a Raspberry Pi Media Player. - Create the ultimate media centre. Gather your parts and build your Raspberry Pi media player. - Install media player software. How to use RetroPie software for playing...