A Comparison of DNS Server Types: How To Choose the Right DNS Configuration

May 12, 2026
Tutorials
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DNS is a robust system that is absolutely essential in modern internet communication. Through a combination of delegation, redundancy, and caching, a client can receive the precise address of any of the system’s servers or sites by querying a complex network of computers for a simple name. In this article, we will discuss some of the different kinds of DNS servers that work together to make this possible. We will go over the advantages of each type and why you would choose one over another.

A Comparison of Let’s Encrypt, Commercial and Private Certificate Authorities, and Self-Signed SSL Certificates

May 12, 2026
Security
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The push to get more and more web traffic secured with SSL encryption means that an increasing number of services and use-cases need a solution for obtaining the proper certificates. Whether it’s a public website, intranet traffic, or a staging server for your web app, you’ll…

A Comparison of NoSQL Database Management Systems and Models

May 12, 2026
Databases
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This article will introduce you to a few of the more commonly used NoSQL database models. It weighs some of their strengths and disadvantages, and provides a few examples of database management systems and potential use cases for each.

A Comparison of (Rack) Web Servers for Ruby Web Applications

May 12, 2026
Programming
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In this the cloud provider article, we are going to compare various popular web servers that power Ruby based web applications. However before diving in, we will provide an introduction to the mechanics behind how the process mentioned above works as we get familiar with the Rack and middleware collection.

A Deep Dive into Iptables and Netfilter Architecture

May 12, 2026
Security
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Firewalls are an important tool that can be configured to protect your servers and infrastructure. In the Linux ecosystem, iptables is a widely used firewall tool that interfaces with the kernel’s netfilter packet filtering framework. For users and administrators who…

A General Introduction to Cloud Computing

May 12, 2026
Tutorials
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This conceptual article provides an introduction to the history, features, benefits, and risks of cloud computing. It is part of the Cloud Computing curriculum, which includes beginner-friendly, hands-on tutorials for setting up and securing servers, deploying apps, and sharing code, as well as further conceptual articles on related topics such as open source software and ethical issues in cloud computing.

An Introduction to Big Data Concepts and Terminology

May 12, 2026
Tutorials
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Big data is a blanket term for the non-traditional strategies and technologies needed to gather, organize, process, and gather insights from large data sets. While the problem of working with data that exceeds the computing power or storage of a single computer is not…

The Difference Between Free and Open-Source Software

May 12, 2026
Linux
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This article discusses the differences and the closely related histories of the free software and open-source software movements.

An Introduction to File Compression Tools on Linux Servers

May 12, 2026
Linux
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There are many reasons why you would want to compress files on a server. Compression can save disk space and bandwidth and can simplify file transfers of entire directory structures when combined with archiving formats. In this guide, we’ll discuss the strengths and weaknesses of different compression tools, discuss which tool is right for different circumstances, and demonstrate how to use the commands.

An Introduction to Metrics, Monitoring, and Alerting

May 12, 2026
Devops
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Understanding the state of your infrastructure and systems is essential for ensuring the reliability and stability of your services. In this guide, we will discuss what metrics, monitoring, and alerting are. We will talk about why they are important, what types of opportunities they provide, and the type of data you may wish to track. We will be introducing some key terminology along the way and will end with a short glossary of some other terms you might come across while exploring this space.

A Comparison of DNS Server Types: How To Choose the Right DNS Configuration

A Comparison of Let’s Encrypt, Commercial and Private Certificate Authorities, and Self-Signed SSL Certificates

A Comparison of NoSQL Database Management Systems and Models

A Comparison of (Rack) Web Servers for Ruby Web Applications

A Deep Dive into Iptables and Netfilter Architecture

An Introduction to Big Data Concepts and Terminology

The Difference Between Free and Open-Source Software

An Introduction to File Compression Tools on Linux Servers

An Introduction to Metrics, Monitoring, and Alerting

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Conceptual

A Comparison of DNS Server Types: How To Choose the Right DNS Configuration

A Comparison of Let’s Encrypt, Commercial and Private Certificate Authorities, and Self-Signed SSL Certificates

A Comparison of NoSQL Database Management Systems and Models

A Comparison of (Rack) Web Servers for Ruby Web Applications

A Deep Dive into Iptables and Netfilter Architecture

A General Introduction to Cloud Computing

An Introduction to Big Data Concepts and Terminology

The Difference Between Free and Open-Source Software

An Introduction to File Compression Tools on Linux Servers

An Introduction to Metrics, Monitoring, and Alerting

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Links

Newsletter

Contact