How to Install SaltStack on Ubuntu 18

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What is SaltStack?

SaltStack is an open-source infrastructure management platform built on a dynamic communications bus. The main structure of SaltStack contains two main components for work: one Salt Master and several Salt Minions. Salt Master is the main control system used to send commands to Salt Minion and their configuration. Salt Minions (they are also called Nodes) are subsystems that work on managed servers and receive commands from the master, as well as their configuration. At least two servers are required for interaction settings. One for the Master and one for the node. All nodes are configured in the same way.

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Puppet, Salt, Chef, & Ansible: A Comparison

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Which one is appropriate for you?

salt.chef.ansible.puppet
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How to Install Istio

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What Is Istio?

Istio is an open-source service mesh that makes it easier for a team to create a network of deployed services. Istio provides several vital services consistently across a mesh network such as:

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How To Install Selenium Tools on Ubuntu 18.04

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In our last article on Selenium, we touched on the tools that the software provides for testing web applications. In this article, we will review the installation of these tools and some basic tests that can be run using the following tools. 

  • Selenium IDE 
  • Selenium Grid
  • Selenium WebDriver

We will go through each of the Selenium tools in the order that is listed below. So let’s begin by installing Selenium IDE. After this, we will cover the basic usage of each of the tools. 

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What is Selenium?

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Introduction

Selenium is a suite of open-source testing tools for web apps that can be utilized across multiple platforms and browsers. Selenium is comprised of four different tools, each providing a different testing capability.

Parts of the Selenium Testing Suite

  • Selenium Integrated Development Environment (IDE)
  • Selenium Grid
  • WebDriver
  • Selenium RC
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How To Install Chef On CentOS 7

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What is Chef?

Chef is a popular, open-source, IaC (Infrastructure as Code) management tool. It eases administration, configuration, and deployment of server resources across a network from a central location. 

What is IaC?

IaC (or Infrastructure as code) is the procedure of provisioning, coordinating, and controlling servers via machine-readable files, that are defined in commonly reused records called cookbooks rather than physical hardware configuration or interactive configuration tools.

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How to Setup OpenVPN On Windows Server 2019

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What is OpenVPN?

As noted previously in our OpenVPN article, OpenVPN is an open-source Windows software package used to create a secure, site-to-site VPN connection that provides remote access between two locations. OpenVPN consists of three parts:

  • The OpenVPN-AS Server
  • The Admin Web Interface/Admin GUI
  • The Connection Clients
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