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PostgreSQL indexes example

This article is part of our Academy Course titled PostgreSQL Database Tutorial. In this course, we provide a compilation of PostgreSQL tutorials that will help you set up and run your own database management system. We cover a wide range of topics, from installation and configuration, to custom commands and datatypes. With our straightforward tutorials, you will be able to ...

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PostgreSQL VACUUM Command Example

This article is part of our Academy Course titled PostgreSQL Database Tutorial. In this course, we provide a compilation of PostgreSQL tutorials that will help you set up and run your own database management system. We cover a wide range of topics, from installation and configuration, to custom commands and datatypes. With our straightforward tutorials, you will be able to ...

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Linux Screen Command Tutorial

Screen is a window manager that allows to have several virtual terminals, several sessions and programs in text mode executing simultaneously in the same console. In this tutorial we will see how to use it. For this tutorial, Linux Mint 18 has been used. 1. Installation If you don’t have installed Screen, you can install it easily with apt-get: sudo ...

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PostgreSQL commands and datatypes

This article is part of our Academy Course titled PostgreSQL Database Tutorial. In this course, we provide a compilation of PostgreSQL tutorials that will help you set up and run your own database management system. We cover a wide range of topics, from installation and configuration, to custom commands and datatypes. With our straightforward tutorials, you will be able to ...

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Linux Create User Example

This example will show you how to create users in Linux, looking at the two different available commands: the default utility, useradd; and a script that acts as more friendly front-end for the default utility, which is named adduser. For this example, Linux Mint 17.03 has been used. 1. How users are organized The existing users of the system are ...

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PostgreSQL: Introduction and installation tutorial

This article is part of our Academy Course titled PostgreSQL Database Tutorial. In this course, we provide a compilation of PostgreSQL tutorials that will help you set up and run your own database management system. We cover a wide range of topics, from installation and configuration, to custom commands and datatypes. With our straightforward tutorials, you will be able to ...

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Linux Add User to Group Example

In this tutorial we will see how to add users to groups in Linux, looking at the different possibilities (existing or non-existing users), and taking into account also the different types of groups users can belong to (primary and secondary groups). For this example, Linux Mint 17.03 has been used. 1. How groups are organized Linux defines the groups in ...

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Formatting and coloring the cURL output

When it comes to documenting the APIs (especially the REST ones), having the cURL samples that one can try out and play around with has become the defacto standard these days. However if you actually want to read through the response body, look up certain piece of information or just simply check the integrity of the response itself, you will ...

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Linux curl Example

cURL is an incredibly flexible and powerful tool data transferring tool, that supports a wide variety of protocols, being the HTTP (and HTTPS) the most used. cURL library is available for many programming languages, but in this example we will see how to use it from the command line. For this tutorial, Mint 17.3 has been used. 1. Installation cURL ...

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