How to create a HTTP load balancer with Nginx
Introduction A load balancer is simply a piece of hardware or software that distributes traffic between two or more servers (upstream/backend servers). Load balancing is a common technique used to…
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How to secure PHP for WordPress
WordPress is a Content Management System that runs on PHP and MySQL. It the most popular CMS used worldwide and as such, is targeted most by attackers. In a previous…
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How to harden Apache Web Server on Centos 7
Apache is the most popular web server used in the internet. It is ideal for most situations and allows flexibility for shared environments through the use of .htaccess file. This…
Read More »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…
Read More »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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