Tutorials

Introduction> Introduction # Relational databases are the cornerstone of data organization for a multitude of needs. They power everything from online shopping to rocket launches. A database that is both venerable but very much still in the game is PostgreSQL.

Introduction> Introduction # The LAMP stack (Linux, Apache, MySQL, PHP) is a group of open source software that is typically installed together to enable a server to host dynamic PHP websites and web apps.

Introduction> Introduction # A virtual private network, or VPN, allows you to securely encrypt traffic as it travels through untrusted networks, such as those at the coffee shop, a conference, or an airport.

Introduction> Introduction # Redis is an in-memory, key-value cache and store (a database, that is) that can also be persisted (saved permanently) to disk. In this article, you’ll read how to back up a Redis database on an Ubuntu 14.

Introduction> Introduction # LDAP is a protocol for managing and interacting with directory services. The OpenLDAP project provides an LDAP-compliant directory service that can be used to store and provide an interface to directory data.

Status: Deprecated> Status: Deprecated # This article covers a version of Ubuntu that is no longer supported. If you are currently operate a server running Ubuntu 12.04, we highly recommend upgrading or migrating to a supported version of Ubuntu:

Introduction> Introduction # PHP is a server side scripting language used by many popular CMS and blog platforms like WordPress and Drupal. It is also part of the popular LAMP and LEMP stacks.

Introduction> Introduction # Using for loops and while loops in Python allow you to automate and repeat tasks in an efficient manner. But sometimes, an external factor may influence the way your program runs.

Status: Deprecated> Status: Deprecated # This article covers a version of Ubuntu that is no longer supported. If you are currently operate a server running Ubuntu 12.04, we highly recommend upgrading or migrating to a supported version of Ubuntu:

Introduction> Introduction # Cassandra, or Apache Cassandra, is a highly scalable open source database system, achieving great performance on multi-node setups. In this tutorial, you’ll learn how to install Cassandra, the Oracle Java VM, which is highly recommended for Cassandra, and how to run your first test single-node cluster.

Status: Deprecated> Status: Deprecated # This article covers a version of CentOS that is no longer supported. If you are currently operating a server running CentOS 6, we highly recommend upgrading or migrating to a supported version of CentOS.

Introduction> Introduction # The Ubuntu operating system’s most recent Long Term Support version, version 16.04 (Xenial Xerus), was released on April 21, 2016. This guide is intended as a brief overview of new features and significant changes to the system as a whole, since 14.

The author selected the COVID-19 Relief Fund to receive a donation as part of the Write for DOnations program. Introduction> Introduction # Elasticsearch is a platform for the distributed search and analysis of data in real time.

Introduction> Introduction # Cassandra, or Apache Cassandra, is a highly scalable open source NoSQL database system, achieving great performance on multi-node setups. In this tutorial, you’ll learn how to install and use it to run a single-node cluster on Ubuntu 14.

Introduction> Introduction # In this tutorial, we are going to configure a mail server using Postfix, Dovecot, MySQL and SpamAssassin on Ubuntu 12.04. Following this tutorial you’ll be able to add virtual domains, users, and aliases.

Introduction> Introduction # The Angular Material library offers a suite of Angular components styled with Material Design. One such component is the <mat-icon> component. There are a wide range of ready-made Material icons.

Introduction> Introduction # TypeScript is awesome. So is React. Let’s use them both together! Using TypeScript allows us to get the benefits of IntelliSense, as well as the ability to further reason about our code.

Introduction> Introduction # MySQL is an open-source database management system, commonly installed as part of the popular LEMP (Linux, Nginx, MySQL/MariaDB, PHP/Python/Perl) stack. It uses a relational database and SQL (Structured Query Language) to manage its data.

Introduction> Introduction # WordPress is the most popular content management system (CMS) on the internet. It allows you to set up flexible blogs and websites on top of a MySQL backend with PHP processing.

Introduction> Introduction # Databases grow over time, sometimes outgrowing the space on the file system. You can also run into I/O contention when they’re located on the same partition as the rest of the operating system.