How to Access Your Guest OS from Host OS in Virtualbox 6.1

Virtualbox is a very important desktop software for any person in IT. It allows us to spin up environments and run tests on operating systems without the fear of making…

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How to Install Virtualbox 6.1 on Ubuntu 20.04

Virtualbox is a software created by Oracle and allows you to create virtual computers on your computer. This allows you to explore the features and run tests on different OS…

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How to install OpenLiteSpeed on Ubuntu 20.04/19.10/19.04

OpenLiteSpeed (OLS) is one of the fastest web servers around and can support hundreds of thousands of concurrent connections. Its runs in Unix like systems and is built as an…

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How to Install OpenLiteSpeed on Centos 7

OpenLiteSpeed (OLS) is one of the fastest web servers available in the market today. Here, we’ll show you how to install OLS from its repository in Centos7.6, configure PHP and…

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Use Case: Horizontal Scaling vs Vertical Scaling with Nginx

When deploying high traffic sites/web apps, often times you’ll be faced with a dilemma on whether to use horizontal scaling or vertical scaling. Horizontal scaling is the use of several…

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How to Install Premium SSL on Hostname in CWP on Apache

Sometimes, you may choose to install premium SSL such as Comodo Positive SSL or Rapid SSL on your hostname instead of the free Let’s Encrypt SSL provided by CWP. Below…

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Configuring Postfix in RHEL 7 to relay emails through Zoho Mail

Below is a guide on how to setup Postfix mail server on RHEL 7 to relay emails through Zoho Mail. There are a number of reasons as to why you…

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How to create a perfect Mail Server using CWP

Normally, when we send emails, we expect them to reach within a few seconds to the recipient’s inbox. However, it is not obvious that your email reaches your recipients inbox….

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How to create a local domain for XAMPP in Centos 7/RHEL 7

Instead of using the local domain localhost for your local development environment, you may create a custom domain name, named anything else and use it instead. In this example, we…

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How to Create or Remove SWAP File in Centos 7

Swap refers to disk space used when the RAM is full. Inactive pages in RAM are pushed to swap to free up some RAM space for current processes to use….

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