Tutorials

Status: Deprecated> Status: Deprecated # This article is deprecated and no longer maintained. Reason> Reason # The techniques in this article are outdated and may no longer reflect Docker best-practices.

Introduction> Introduction # The LEMP software stack is a group of software that can be used to serve dynamic web pages and web applications. This is an acronym that describes a Linux operating system, with an Nginx (pronounced like “Engine-X”) web server.

About Load Balancing> About Load Balancing # Loadbalancing is a useful mechanism to distribute incoming traffic around several capable Virtual Private servers.By apportioning the processing mechanism to several machines, redundancy is provided to the application — ensuring fault tolerance and heightened stability.

Learn about the CSS :root pseudo-class selector, and how you might want to use it in your projects! The CSS :root pseudo-class selector is used to select the highest-level parent of a given specification.

Introduction> Introduction # Docker is an application that makes it simple and easy to run application processes in a container, which are like virtual machines, only more portable, more resource-friendly, and more dependent on the host operating system.

Introduction> Introduction # Accurate timekeeping has become a critical component of modern software deployments. Whether it’s making sure logs are recorded in the right order or database updates are applied correctly, out-of-sync time can cause errors, data corruption, and other hard to debug issues.

Introduction> Introduction # When you first create a new Ubuntu 20.04 server, you should perform some important configuration steps as part of the initial setup. These steps will increase the security and usability of your server, and will give you a solid foundation for subsequent actions.

The author selected the Internet Archive to receive a donation as part of the Write for DOnations program. Introduction> Introduction # The Elastic Stack — formerly known as the ELK Stack — is a collection of open-source software produced by Elastic which allows you to search, analyze, and visualize logs generated from any source in any format, a practice known as centralized logging.

Introduction> Introduction # Kubernetes Ingresses allow you to flexibly route traffic from outside your Kubernetes cluster to Services inside of your cluster. This is accomplished using Ingress Resources, which define rules for routing HTTP and HTTPS traffic to Kubernetes Services, and Ingress Controllers, which implement the rules by load balancing traffic and routing it to the appropriate backend Services.

Introduction> Introduction # Vue.js 2 supports class-style components. If you are coming from an Angular (2+) background, you are probably familiar with the pattern of writing components as classes using properties and decorators to describe more complex parts of your component.

Introduction> Introduction # WordPress is the most popular CMS (content management system) on the internet. It allows you to easily set up flexible blogs and websites on top of a MySQL backend with PHP processing.

Introduction> Introduction # Virtual Network Computing, or VNC, is a connection system that allows you to use your keyboard and mouse to interact with a graphical desktop environment on a remote server.

Introduction> Introduction # Nginx is a high performance web server capable of serving content with flexibility and power. When designing your web pages, it is often helpful to customize every piece of content that your users will see.

The author selected the Open Internet/Free Speech fund to receive a donation as part of the Write for DOnations program. Introduction> Introduction # A large amount of data that is generated today is unstructured, which requires processing to generate insights.

Introduction> Introduction # The mdadm utility can be used to create and manage storage arrays using Linux’s software RAID capabilities. Administrators have great flexibility in coordinating their individual storage devices and creating logical storage devices that have greater performance or redundancy characteristics.

Introduction> Introduction # Contributing to open-source projects is a rewarding experience as you work to make software better for end users like yourself. Once you submit a pull request, the process of contributing to a project can require some rebasing and reworking of code prior to acceptance, followed by a general cleanup of your branches.

Introduction> Introduction # Relational database management systems are a key component of many web sites and applications. They provide a structured way to store, organize, and access information. PostgreSQL, or Postgres, is a relational database management system that provides an implementation of the SQL querying language.

Introduction> Introduction # Are you a recent cloud hosting convert and find yourself struggling to figure out how to best manage the files on your first virtual private server (VPS)? Do you find yourself intimidated by the command line?

Introduction> Introduction # MySQL comes with a handy little diagnostic tool called mysqlslap that’s been around since version 5.1.4. It’s a benchmarking tool that can help DBAs and developers load test their database servers.

Introduction> Introduction # Linux system administrators often need to look at log files for troubleshooting purposes. This is one of the first things a sysadmin would do. Linux and the applications that run on it can generate all different types of messages, which are recorded in various log files.