InSpec is an open-source, automated testing framework for testing and auditing your system to ensure the compliance of integration, security, and other policy requirements. In this tutorial, you’ll install InSpec on a server running Ubuntu 18.04. You will start by writing a test that verifies the operating system family of the server, then you’ll create a PostgreSQL audit profile from the ground-up.
Polymorphism allows for flexibility and loose coupling so that code can be extended and easily maintained over time.
Cascading Style Sheets, better known as CSS, is the language for visual style and design on the web. With it, you can apply styles directly to Hypertext Markup Language (HTML) to lay out a webpage, adjust font and color, create complex animations, and much more. This tutorial will focus on applying CSS to HTML, cascade, and specificity, which are foundational aspects of CSS and will prepare you for using CSS effectively in your web projects.
In this tutorial, you will explore computer vision as you use pre-trained models to build a Snapchat-esque dog filter and apply masks based on whether you’re happy or sad.
When styling a website with CSS, background styling plays a large role in the visual aesthetic of the design. In this tutorial, you will create a grid of elements, each showcasing different ways of applying a background to the element. You will cover the background property, repeating and anchoring background images, creating color gradients, and composing multiple backgrounds into a single effect.
The `path` element of SVG can be used to create innovative animations for the frontend of your website or web application. In this tutorial, we will show you how to set up your HTML, CSS, and JavaScript to move elements along an SVG `path` using the `PathSlider` library. By following the entire tutorial, you will develop sliders that move from one position to another using this library.
InfluxDB is a time series, metrics, and analytics database. It is targeted at use cases for DevOps, metrics, sensor data, and real-time monitoring and analytics.
Database monitoring is the continuous process of systematically tracking various metrics that show how the database is performing. In this tutorial, you’ll import database metrics, generated by the Redis INFO command, into Elasticsearch via Logstash. The imported data can later be analyzed and visualized in Kibana. By the end of the tutorial, you’ll have an automated system pulling in Redis statistics for later analysis.
Database monitoring is the continuous process of systematically tracking various metrics that show how the database is performing. By observing the performance data, you can gain valuable insights and identify possible bottlenecks, as well as find additional ways of improving database performance. In this tutorial, you’ll import database metrics, generated by the PostgreSQL statistics collector, into Elasticsearch via Logstash.
Learn how to allow MySQL remote access safely: bind to a private IP, lock down port 3306 with firewalls, create least-privilege users, enable SSL/TLS, and use AI-assisted audits to prevent misconfigurations.
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