Ubuntu

Introduction> Introduction # Nginx is one of the most popular web servers in the world and is responsible for hosting some of the largest and highest-traffic sites on the internet. It is more resource-friendly than Apache in most cases and can be used as a web server or reverse proxy.

Introduction> Introduction # Apache is the most popular web server in the world. It is well-supported, feature-rich, and flexible. When designing your web pages, it is often helpful to customize every piece of content that your users will see.

Warning This guide is targeted at Chef 11. The Chef 12 platform introduces some significant configuration differences. You can find a guide on how to set up a Chef 12 server, workstation, and node here.

Introduction> Introduction # Let’s Encrypt is a new Certificate Authority (CA) that provides an easy way to obtain and install free TLS/SSL certificates, thereby enabling encrypted HTTPS on web servers. It simplifies the process by providing a software client, Certbot, that attempts to automate most of the required steps.

About Meteor.js Meteor.js is a framework for JavaScript that allows web developers to write JavaScript code once and reuse it both client and server-side. This is possible thanks to Meteor’s unique build process (read more about structuring your application code and code sharing).

Introduction> Introduction # In this guide, we will be setting up a simple Python application using the Flask micro-framework on Ubuntu 16.04. The bulk of this article will be about how to set up the uWSGI application server to launch the application and Nginx to act as a front end reverse proxy.

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 This tutorial will show you how to set up a TLS/SSL certificate from Let’s Encrypt on an Ubuntu 14.04 server running Apache as a web server. SSL certificates are used within web servers to encrypt the traffic between the server and client, providing extra security for users accessing your application.

Introduction> Introduction # Elasticsearch is a popular open source search server that is used for real-time distributed search and analysis of data. When used for anything other than development, Elasticsearch should be deployed across multiple servers as a cluster, for the best performance, stability, and scalability.

Status: Deprecated> Status: Deprecated # This article is deprecated and no longer maintained. Reason> Reason # Ubuntu 12.04 reached end of life (EOL) on April 28, 2017 and no longer receives security patches or updates.

About Mod_Rewrite> About Mod_Rewrite # Think about the last time you visited some shopping website, looking for that one specific thing you needed to buy. When you finally reached the page, the URL most likely looked something like this:

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 # Apache and Nginx are two popular open source web servers often used with PHP. It can be useful to run both of them on the same virtual machine when hosting multiple websites which have varied requirements.

Introduction> Introduction # An authentication factor is a single piece of information used to prove you have the rights to perform an action, like logging into a system. An authentication channel is the way an authentication system delivers a factor to the user or requires the user to reply.

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 # One of the most basic tasks that you should know how to do on a fresh Linux server is add and remove users. When you create a new system, you are often (such as on DigitalOcean Droplets) only given the root account by default.

Introduction> Introduction # There are a number of choices you have to make when getting a website or application up and running. Sometimes, your requirements change, new technology becomes viable, or your user-base balloons unexpectedly.

Introduction> Introduction # Databases grow over time, sometimes outgrowing the space on the file system. You can also run into I/O contention when they’re located on the same partition as the rest of the operating system.

Introduction> Introduction # Lightweight Directory Access Protocol (LDAP) is a standard protocol designed to manage and access hierarchical directory information over a network. It can be used to store any kind of information, though it is most often used as a centralized authentication system or for corporate email and phone directories.

Introduction> Introduction # Redis is an open source key-value data store, using an in-memory storage model with optional disk writes for persistence. It features transactions, pub/sub, and automatic failover, among other functionality.