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 14.04 LTS, from the perspective of server system administration. It draws on the official Xenial Xerus release notes, along with a variety of other sources.
Apache Hadoop is one of the earliest and most influential open-source tools for storing and processing the massive amount of readily-available digital data that has accumulated with the rise of the World Wide Web. It evolved from a project called Nutch, which attempted to find a…
O armazenamento de dados flexível e escalável é um requisito básico para a maioria dos aplicativos e serviços que estão sendo desenvolvidos com técnicas e ferramentas modernas. Seja armazenando grandes ou pequenas quantidades de imagens, vídeos ou pequenos blocos de texto, os…
Los sistemas de administración de bases de datos (DBMS) son programas que permiten a los usuarios interactuar con una base de datos. Les permiten controlar el acceso a una base de datos, escribir datos, ejecutar consultas y realizar otras tareas relacionadas con la…
Increasingly, Linux distributions are adopting or planning to adopt the systemd init system. This powerful suite of software can manage many aspects of your server, from services to mounted devices and system states. In systemd, a unit refers to any resource that the…
LDAP, or Lightweight Directory Access Protocol, is an open protocol used to store and retrieve data from a hierarchical directory structure. Commonly used to store information about an organization and its assets and users, LDAP is a flexible solution for defining any type of…
Система доменных имен DNS — это система связи различных типов информации, например связи IP адресов с легко запоминающимися именами. По умолчанию большинство кластеров Kubernetes автоматически настраивают внутреннюю службу DNS в качестве компактного механизма поиска служб….
O Kubernetes é um poderoso sistema de orquestração de container que pode gerenciar o deployment e a operação de aplicações containerizadas em um cluster de servidores. Além de coordenar as cargas de trabalho do container, o Kubernetes fornece a infraestrutura e as ferramentas…
This conceptual article outlines the key concepts related to document databases and discusses benefits of using them. Examples used in this article reference MongoDB, a widely-used document-oriented database, but most of the concepts highlighted here are applicable for most other document databases as well.
This conceptual article serves as an introduction to numerous database topics. It provides a brief overview of what databases are in the context of cloud computing and highlights a few concepts central to their design and function. It also contains links to relevant conceptual and procedural tutorials throughout.
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