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TensorFlow is a free and open source platform for machine learning built by Google.

Apache Cassandra is an open source NoSQL database with no single point of failure, providing linear scalability and high availability. In Cassandra, records are structured in a similar way as in the relational database with tables, rows, and columns. Apache Cassandra is used by a number of organizations including Apple, NetFlix, eBay, and Easou.

PrestaShop is a free and open-source e-commerce platform. It is based on PHP and MySQL and can be extended with free and premium plugins and themes. With features like intuitive administrative interface, multiple payment gateways, multi-lingual, analytic and reporting PrestaShop is a platform of choice for many online merchants.

In this tutorial, we'll explain how to set up a static IP address on Ubuntu 18.04.

One of the most commonly used string operations is concatenation. String concatenation is just a fancy programming word for joining strings together by appending one string to the end of another string.

Slack is one of the most popular collaboration platforms in the world that brings all your communication together. Conversations in Slack are organized in channels. You can create channels for your teams, projects, topics, or any other purpose to keep information and conversations organized. You can search through everything that’s been posted in channels or your messages. Slack also allows you to talk with your teammates over audio or video calls and share documents, images, videos, and other files.

ZIP is the most widely used archive file format that supports lossless data compression. A ZIP file is a data container containing one or more compressed files or directories. Compressed (zipped) files take up less disk space can be transferred from one to another machine more quickly than uncompressed files. ZIP files can be easily extracted in Windows, macOS, and Linux using the utilities available for all operating systems.

The term LEMP is an acronym of the names of its four open-source components: Linux operating system, Nginx [engine x] an HTTP and reverse proxy server, MySQL or MariaDB relational database management system, and PHP programming language.

By default, SSH listens on port 22. Changing the default SSH port adds an extra layer of security to your server by reducing the risk of automated attacks.

WildFly, formerly known as JBoss is a cross-platform open source application runtime written in Java that helps you build amazing applications. WildFly is flexible, lightweight, and it is based on pluggable subsystems that can be added or removed as needed.

Drupal is one of the leading open source CMS platforms worldwide. It is flexible, scalable and can be used to build different types of websites ranging from small personal blogs to large corporate, political, and government sites.

Learn how to install an RPM file on Ubuntu

In Bash, you can use the test command to check whether a file exists and determine the type of the file.

Using the correct timezone is important for many systems related tasks and processes. For example, the cron daemon uses the system’s timezone for executing cron jobs and the timestamps in the log files are based on the same system’s timezone.

Debian, as well as all other Linux distributions is a multi-user operating system. Each user can have different permission level and specific settings for various command line and GUI application. Knowing how to add and remove users is one of the basic skills a Linux user should know.

Regularly updating your Ubuntu system is one of the most important aspects of overall system security.

CouchDB is a free and open-source fault-tolerant NoSQL database maintained by the Apache Software Foundation.

Plex is a streaming media server that lets you organize your video, music, and photo collections and stream them to all of your devices at any time and from anywhere.

In Ubuntu Linux, the root user account is disabled by default for security reasons.

Skype is one of the most popular communication applications in the world that allows you to make free online audio and video calls, and affordable international calling to mobiles and landlines worldwide.