ERROR: sudo: pam_open_session: System error sudo: policy plugin failed session initialization

I got this error when trying to run a few commads with sudo right after I set password expiration on my RHEL7 box. Immediately after, I couldn’t use sudo for…

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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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cPanel® Price Hike – All you need to know

cPanel® is one of the best software I have ever used. It’s a piece of work to admire. It’s reliable, effective, easy to use, has a beautiful interface, very functional…

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Spam mail – How to get mastery over it.

A mail administrator’s worst nightmare is spam. For a person tasked with ensuring users can send emails to recipients inboxes and ensure the users themselves don’t get junk email, when…

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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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Bash script to change Name servers on BIND DNS Zones in CentOS7/RHEL7

DNS is one of the most important components of web hosting. It resolves addresses which allows websites to be accessed online via domain names and emails to be sent/received. Due…

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9 things to do after buying a VPS

There are some few steps that you should take to setup your VPS to survive the Internets viciousness and to make it more convenient for your use. Below are some…

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Basic Server Security Configuration

When you setup a new server, it takes just 5 hours before it starts receiving attacks. A developer’s primary concerns revolve around getting their application to run, getting some component…

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How Your WordPress Site Gets Hacked

Having your website hacked is one experience you wouldn’t like yet many people have had to deal with this one or more times. WordPress is the most popular content management…

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