Tutorials

Introduction> Introduction # Want to access the Internet safely and securely from your smartphone or laptop when connected to an untrusted network such as the WiFi of a hotel or coffee shop?

Introduction> Introduction # Event throttling and debouncing refer to two approaches to improve performance and potentially lower network overhead. While Vue.js 1 used to have native support for debouncing events, it was removed in Vue.

Introduction> Introduction # This tutorial will show you how to acquire and install an SSL certificate from a trusted, commercial Certificate Authority (CA). SSL certificates allow web servers to encrypt their traffic, and also offer a mechanism to validate server identities to their visitors.

Status: Deprecated> Status: Deprecated # This article covers a version of Ubuntu that is no longer supported. If you are currently operate a server running Ubuntu 12.04, we highly recommend upgrading or migrating to a supported version of Ubuntu:

Introduction> Introduction # Drupal is a popular content management system (CMS) used to run some of the largest blogs and websites across the internet. Due to the stability of the base, the adaptability of the platform, and its active community, Drupal remains a popular choice after more than a decade on the scene.

Introduction> Introduction # In this tutorial, we will teach you how to set up and use the Apache JMeter HTTP(S) Test Script Recorder to record HTTP requests. Recording HTTP requests is a great way to building test plans, and can be useful in creating tests that closely mimic a normal user’s behavior.

Introduction> Introduction # Ruby on Rails is one of the most popular application stacks for developers looking to create sites and web apps. The Ruby programming language, combined with the Rails development framework, makes app development simple.

Has your React app been feeling kinda sluggish? Are you afraid of turning on the “paint flash” in Chrome DevTools because of what you might see? Try out these 5 performance tips!

Introduction> Introduction # ownCloud is a file sharing server that permits you to store your personal content, like documents and pictures, in a centralized location, much like Dropbox. The difference with ownCloud is that it is free and open-source, which allows anyone to use and examine it.

Introduction> Introduction # After setting up Puppet in an agent/master configuration, you may need some help writing Puppet manifests and modules. In order to use Puppet effectively, you must understand how manifests and modules are constructed.

Introduction> Introduction # In many VPS environments, it is often the case that you will have a number of small programs that you want to run persistently, whether these are small shell scripts, Node.

Introduction> Introduction # The Apache web server is a popular method for serving websites on the internet. As of 2019, it is estimated to serve 29% of all active websites and it offers robustness and flexibility for developers.

Introduction> Introduction # There are many implementations of the SQL database language available on Linux and Unix-like systems. MySQL and MariaDB are two popular options for deploying relational databases in server environments.

About SPF Record> About SPF Record # An SPF record is a type of Domain Name Service (DNS) record that identifies which mail servers are permitted to send email on behalf of your domain.

The author selected the Free and Open Source Fund to receive a donation as part of the Write for DOnations program. Introduction> Introduction # Flask is a small and lightweight Python web framework that provides useful tools and features that make creating web applications in Python easier.

Status: Deprecated> Status: Deprecated # This article covers a version of CentOS that is no longer supported. If you are currently operating a server running CentOS 6, we highly recommend upgrading or migrating to a supported version of CentOS.

Introduction> Introduction # In general, Docker containers are ephemeral, running just as long as it takes for the command issued in the container to complete. By default, any data created inside the container is only available from within the container and only while the container is running.

Introduction> Introduction # Helm is a package manager for Kubernetes that allows developers and operators to more easily configure and deploy applications on Kubernetes clusters. In this tutorial we will set up Helm and use it to install, reconfigure, rollback, then delete an instance of the Kubernetes Dashboard application.

About Logrotate> About Logrotate # Logrotate is a utility/tool that manages activities like automatic rotation, removal and compression of log files in a system. This is an excellent tool to manage your logs conserve precious disk space.

Introduction> Introduction # If you are actively developing an application, using Docker can simplify your workflow and the process of deploying your application to production. Working with containers in development offers the following benefits: