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…

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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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How to integrate Collabora Online on a Nextcloud server

One of the use cases of a Nextcloud server is that it can be used as a collaboration and sharing tool. Our current Nextcloud setup allows document sharing and collaborative…

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How to install Nextcloud 16.0.4 on Ubuntu 16.04

Nextcloud is an open source software that allows users to store their data; files, contacts, calendars, news feed, TO-DO lists and much more. It is a tool for collaboration and…

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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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Linux vs Windows – The Battle for Supremacy

Just in case you haven’t noticed, we at LinuxNimbus.com prefer Linux OS to Windows OS. We believe that Linux is the best operating system. That is evident by the name…

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Bareos Backup Server

A backup server enables one to backup data, files, applications and databases either locally or remotely. It can be a combination of software and hardware technologies that provide storage and…

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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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