Sunday, July 5, 2015

How To Install an SSL Certificate from a Commercial Certificate Authority

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...

Friday, July 3, 2015

How To Set Up Automatic Deployment with Git with a VPS

Introduction For an introduction to Git and how to install, please refer to the introduction tutorial. This article will teach you how to use Git when you want to deploy your application. While there are many ways to use Git to deploy our application, this tutorial will focus on the one that is most straightforward....

Understanding the Nginx Configuration File Structure and Configuration Contexts

Introduction Nginx is a high performance web server that is responsible for handling the load of some of the largest sites on the internet. It is especially good at handling many concurrent connections and excels at serving...

Additional Recommended Steps for New Ubuntu 14.04 Servers

Introduction After setting up the bare minimum configuration for a new server, there are some additional steps that are highly recommended in most cases. In this guide, we'll continue the configuration of our servers by tackling some recommended, but optional procedures....

Thursday, July 2, 2015

Initial Server Setup with Ubuntu 14.04

Introduction When you first create a new Ubuntu 14.04 server, there are a few configuration steps that you should take early on as part of the basic setup. This will increase the security and usability of your server and will give you a solid foundation for subsequent actions....

How To Install Linux, nginx, MySQL, PHP (LEMP) stack on Ubuntu 14.04

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 web server. The backend data is stored in MySQL and the dynamic processing is handled by PHP. In this guide, we will demonstrate...

How To Set Up Nginx Server Blocks (Virtual Hosts) on Ubuntu 14.04 LTS

Introduction When using the Nginx web server, server blocks (similar to the virtual hosts in Apache) can be used to encapsulate configuration details and host more than one domain off of a single server. In this guide, we'll discuss how to configure server blocks in Nginx on an Ubuntu 14.04 server....

How To Add Swap on Ubuntu 14.04

Introduction One of the easiest way of increasing the responsiveness of your server and guarding against out of memory errors in your applications is to add some swap space. Swap is an area on a hard drive that has been designated as a place where the operating system can temporarily store data that it can no longer...

Wednesday, July 1, 2015

How To Set Up a Firewall Using IPTables on Ubuntu 14.04

Introduction Setting up a good firewall is an essential step to take in securing any modern operating system. Most Linux distributions ship with a few different firewall tools that we can use to configure our firewalls. In this guide, we'll be covering the iptables firewall....

How To Use NSD, an Authoritative-Only DNS Server, on Ubuntu 14.04

Introduction Setting up a DNS server to be responsible for domain names can be a complex task even for seasoned administrators. DNS zone management is a vital duty, but can be bewildering, especially when attempting to get started. Software like the Bind DNS server is incredibly flexible and can be configured to...

How To Configure Bind as an Authoritative-Only DNS Server on Ubuntu 14.04

Introduction DNS, or the Domain Name System, is often a difficult component to get right when learning how to configure websites and servers. While most people will probably choose to use the DNS servers provided by their hosting company or their domain registrar, there are some advantages to creating your own DNS server...

How To Configure Bind as a Caching or Forwarding DNS Server on Ubuntu 14.04

Introduction DNS, or the Domain Name System, is often a difficult component to get right when learning how to configure websites and servers. While most people will probably choose to use the DNS servers provided by their hosting company or their domain registrar, there are some advantages to creating your own DNS server...

How To Set Up a Host Name with DigitalOcean

DigitalOcean’s DNS allows you to easily set up your hostname from the DigitalOcean control panel. Setup Before you get started, you do need to have the following: A Droplet (virtual private server) from DigitalOcean. If you don’t have one, you can register and set one up in under a minute A Registered Domain...

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

Introduction DNS, or the Domain Name System, is an integral part of how systems connect with each other to communicate on the internet. Without DNS, computers, and the people who use them, would be required to connect using only numerical addresses known as IP addresses....

An Introduction to DNS Terminology, Components, and Concepts

Introduction DNS, or the Domain Name System, is often a very difficult part of learning how to configure websites and servers. Understanding how DNS works will help you diagnose problems with configuring access to your websites and will allow you to broaden your understanding of what's going on behind the scenes....

How To Create a New User and Grant Permissions in MySQL

About MySQL MySQL is an open source database management software that helps users store, organize, and later retrieve data. It has a variety of options to grant specific users nuanced permissions within the tables and databases—this tutorial will give a short overview of a few of the many options....

How To Install Wordpress on Ubuntu 14.04

Introduction At this time, 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. WordPress has seen incredible adoption and is a great choice for getting a website up and running quickly. In...

An Introduction to Securing your Linux VPS

Introduction Taking control of your own Linux server is an opportunity to try new things and leverage the power and flexibility of a great platform. However, Linux server administrators must take the same caution that is appropriate with any network-connected machine to keep it secure and safe. There are many different security...

A Basic MySQL Tutorial

About MySQL MySQL is an open source database management software that helps users store, organize, and retrieve data. It is a very powerful program with a lot of flexibility—this tutorial will provide the simplest introduction to MySQL How to Install MySQL on Ubuntu and CentOS If you don't have MySQL installed on your...

How To Configure a Mail Server Using Postfix, Dovecot, MySQL, and SpamAssassin

Introduction In this tutorial, we are going to configure a mail server using Postfix, Dovecot, MySQL and SpamAssassin on Ubuntu 12.04. Following this tutorial you'll be able to add virtual domains, users, and aliases. Moreover, your virtual server will be secure from spam hub....

How To Setup Your Own VPN With PPTP

Intro One of the commonly asked questions from our users is how to add another IP address to their server. You can assign your own private IP address to your droplet by creating a VPN tunnel. Whether you want to build your own Virtual Private Network (VPN), or assign an SSL certificate to that IP address, you have several...

SSH Server CentOS 7

Configure SSH Server - Password Authentification Configure SSH Server to manage a server from the remore computer. SSH uses 22/TCP SSHd is installed even if you installed CentOS with "Minimal Install", so it's not necessarry to install new packages. Furthermore, SSHd is set auto-start setting by default, so it's possible...