VMware vCloud Availability Tenant Setup Guide


VMware vCloud Availability 3.0 is a single interface for workload migration, cloud-to-cloud disaster recovery, and on-premises disaster recovery. In this tutorial, learn how to successfully complete the VCloud Availability Tenant Configuration.

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4 Different Types of Errors in PHP


A PHP Error occurs when something is wrong in the PHP code. An error can be simple as a missing semicolon, or complex as calling an incorrect variable. To resolve a PHP issue in a script, you must understand what kind of problem is occurring. Learn…

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Raid Levels and Types: Advantages and Disadvantages of 0,1,5,10


RAID (redundant array of independent disks) is a setup consisting of multiple disks for data storage. They are linked together to prevent data loss and/or speed up performance. Having multiple drives allows the employment of various techniques like…

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VMware vCloud Director Tutorial & Quick Start Guide


A quick start guide to phoenixNAP Virtual Private Datacenter and Data Security Cloud products. Both of these products utilize the VMware vCloud Director user interface to manage virtual machines and networking.

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7 Best Website Speed and Performance Testing Tools


There are programs that answer two of the most common questions web administrators and SEO's keep asking when it comes to server response time: How fast is my website? How do I improve website performance? We made a list of the best tools to test…

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Best Tools to Monitor Network Bandwidth on a Linux Server


There are many different tools for monitoring network traffic on a Linux server. Each option has its strengths and weaknesses. Most of the command-line utilities are designed to be lightweight, so they do not inflate bandwidth reports. Some are…

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How to Use the Linux Chown Command with Practical Examples


The chown command changes user ownership of a file, directory, or link in Linux. Every file is associated with an owning user or group in Linux. Make sure to configure file and folder permissions properly. This tutorial will show you how to execute…

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Linux Ping Command Tutorial with Examples


Most Linux users are familiar with the ping command and know how to use it in its basic form. However, there are many additional ping options and variations. In this guide, we will walk you through some of the most useful ping commands with…

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​Vagrant Tutorial: Everything a Beginner Needs To Know


Vagrant is a tool for configuring and deploying an exact image of a virtual operating system. It is often used in software development to ensure that all team members are writing code for the same configuration. This helps ensure that a code…

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Containers vs Virtual Machines (VMs): What’s the Difference?


Both virtual machines and containers are used to created isolated virtual environments for developing and testing applications or software. The question is how they differ. This article examines the two concepts to help you perceive and understand…

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