Linux Essentials

11 Guides Available

What is Edge Computing and How Does It Work?

At its core, edge computing is distributed computing. It pushes the computing close to or on the data source, which greatly minimizes the distance data must travel to be analyzed. Not only does it shorten analysis times to real time speeds, but it also returns the output just as fast to automated systems that are located on the data source too. Because of the speed in these processes, edge computing is vital to innovative applications such as autonomous vehicles, in-hospital patient monitoring, remote asset monitoring for the oil and gas industry, movie recommendations on Smart TVs, and EKGs on smartphones. Given the versatility edge computing provides, many companies are finding it useful and even essential to their business.

Multicloud vs. Hybrid Cloud: Differences Explained

In the last couple of years, the cloud has become a ubiquitous term and piece of technology. But depending on who you ask, what is meant by “the cloud” can vary dramatically. For some, the cloud is only a way to store files and photos on a third-party service. For others, the cloud is a means to sync data between phones and desktops. Others look at the cloud as a method of serving applications to consumers and customers. As you keep climbing up the IT ladder, the definition gets more granular and more complicated.

An Introduction to FaaS (Function as a Service)

Developers are used to breaking business logic into standalone functions that an application can call when necessary. Functions as a Service (FaaS) takes advantage of cloud architectures, spinning up functions (and their system resources) only when needed. Using FaaS has several advantages, not the least of which is affordability, but it can also create more complexity.

What is Serverless Computing?

Serverless computing is a type of application deployment architecture that allows developers to write an application that is executed on-demand. When the application is no longer needed system resources are not allocated to the app. You don’t need to set up a server to host your application, because this is typically managed by a service provider. The usage of the term serverless can be misleading because it implies that no servers are involved. However, servers are definitely involved; but the terminology points to the fact the servers are not something developers need to worry about when using this approach to development.

What is systemd?

systemd is a Linux initialization system and service manager that includes features like on-demand starting of daemons, mount and automount point maintenance, snapshot support, and processes tracking using Linux control groups. systemd provides a logging daemon and other tools and utilities to help with common system administration tasks.

systemctl Commands: Restart, Reload, and Stop Service

What is systemctl?

systemctl is a controlling interface and inspection tool for the widely-adopted init system and service manager systemd. This guide will cover how to use systemctl to manage systemd services, work with systemd Targets and extract meaningful information about your system’s overall state.

What is Linux?

Linux refers to the Linux Kernel plus all the tools, utilities and libraries running on top of the kernel, many of which are managed under the umbrella of the GNU project. Colloquially, Linux refers to an operating system (OS). There are Linux community members that find it more correct and precise to use the term GNU/Linux over Linux alone as a name for the OS.

Why Use Linux for Development?

Linux is one of the most popular platforms used for development. Its widespread adoption stems from core design principles behind its kernel: to be extensible, efficient, modular, simple, robust and open source.

What is Cloud Computing?

Cloud computing provides access to powerful, scalable, and versatile computer resources over the internet for a variety of purposes. Common uses are hosting websites, streaming media, providing email services, and data storage and analysis. Because cloud computing infrastructure is shared, computing power is available for a much lower cost than owning and maintaining these systems independently.

Introduction to Linux Administration

Linode offers a flexible and customizable cloud platform for your applications. This has advantages in terms of cost and control, but also means that many services which are included in shared hosting need to be manually deployed and configured for your needs. If you are new to self-hosting, you may not know everything that needs to be done. This guide introduces the concepts and tools that you will need to be familiar with when hosting your own applications on a Linode.

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